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Why Mr Bean is being blamed for decreasing electric vehicle sales

Rowan Atkinson has been blamed for a decrease in electric car sales, with a "damaging" article being debunked in the House of Lords. The actor and comedian, who is also a well-known car enthusiast, wrote an article for The Guardian, claiming he felt "duped" by electric vehicles, saying they aren't as eco-friendly as they are often portrayed. Atkinson says the problem with the vehicles' sustainable marketing focuses on just one part of the car’s operating life: what comes out of the exhaust pipes and ignores other elements such as the manufacturing and the mining of rare earth minerals, shipping and building of the batteries. These claims, and the article itself, have been addressed by the UK's House of Lords, with politicians blaming the story for a decrease in electric vehicle sales. UK think tank the Green Alliance says, “One of the most damaging articles was a comment piece written by Rowan Atkinson in The Guardian which has been roundly debunked.” Other deterrents identified by the committee were the high purchase price and insufficient charging infrastructure. Social media users were quick to take Atkinson's side in the debate, with one person writing on X, “If Rowan Atkinson is responsible, then give him a knighthood.” Another user says, “Rowan Atkinson with a degree and masters in Engineering. Knows more than those pushing electric cars.” "Apparently it's Mr Bean's fault for the poor take up of electric cars. Cancel him," another said. For the last 12 months, high power costs in the UK have meant that fast charging your electric car can be more expensive than refuelling a petrol or diesel vehicle. The UK is planning to ban sales of petrol and diesel vehicles from 2035, despite the slip in sales. Image credits: Getty Images

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5 tips for getting off gas at home – for a cleaner, cheaper, healthier all-electric future

<a href="https://theconversation.com/profiles/trivess-moore-12580">Trivess Moore</a>, <a href="https://theconversation.com/institutions/rmit-university-1063">RMIT University</a>; <a href="https://theconversation.com/profiles/alan-pears-52">Alan Pears</a>, <a href="https://theconversation.com/institutions/rmit-university-1063">RMIT University</a>, and <a href="https://theconversation.com/profiles/nicola-willand-441807">Nicola Willand</a>, <a href="https://theconversation.com/institutions/rmit-university-1063">RMIT University</a> Burning gas in our homes to cook food or heat air and water has become a contentious issue. Gas is an expensive, polluting fossil fuel, and there’s mounting evidence to suggest it’s also <a href="https://www1.racgp.org.au/ajgp/2022/december/health-risks-from-indoor-gas-appliances">bad for our health</a>. Five million existing Australian households will need to <a href="https://grattan.edu.au/report/getting-off-gas/">get off gas</a> within the next 30 years. But for homeowners, the upfront cost can be a major barrier to action. Renters rarely get a say over the appliances installed in their homes. And apartment owners can struggle to make individual changes too. In most cases it’s worth making the switch, for the energy bill savings alone. For example, analysis suggests a household in Melbourne switching from gas to electricity can save <a href="https://theconversation.com/all-electric-homes-are-better-for-your-hip-pocket-and-the-planet-heres-how-governments-can-help-us-get-off-gas-207409">up to A$13,900</a> over a decade. If you’re contemplating upgrading gas appliances in your home, or even disconnecting from the gas network altogether, here are a few handy tips and resources to cut through the confusion. <figure><iframe src="https://www.youtube.com/embed/2JuZgXz6zNo?wmode=transparent&start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe><figcaption>Homes must switch away from gas by 2050, says policy think tank (ABC News)</figcaption></figure> <h2>Tip 1 – Find trusted, independent information</h2> There is no shortage of information on how to make the switch from gas to all-electric appliances. The challenge is finding <a href="https://theconversation.com/we-need-a-lemon-law-to-make-all-the-homes-we-buy-and-rent-more-energy-efficient-204369">trusted and independent information</a>. Not-for-profit organisation <a href="https://renew.org.au/">Renew</a> has compiled a range of <a href="https://renew.org.au/resources/how-we-can-help/efficient-electric-homes/how-we-can-help-going-off-gas/">presentations, guides, case studies and research</a>. <a href="https://www.choice.com.au/">Choice</a> provides independent reviews of household appliances, including operating costs. The Australian government’s <a href="https://www.energyrating.gov.au/">Energy Rating website</a> provides information on appliances to help consumers compare performance. Some <a href="https://www.yarracity.vic.gov.au/services/take-climate-action">local councils</a> and <a href="https://totallyrenewableyack.org.au/">community groups</a> also provide information, support and bulk-buying schemes. You could also visit some of the all-electric homes open to the public for <a href="https://sustainablehouseday.com/">Sustainable House Day</a>. This can help you learn what works from people who have already made the change. The <a href="https://www.facebook.com/groups/MyEfficientElectricHome">My Efficient Electric Home</a> group on Facebook is another active and helpful forum. If you are going all-electric as part of a wider retrofit, consider an independent <a href="https://www.homescorecard.gov.au/">Residential Efficiency Scorecard assessment</a>. This will help you understand what to else you can do to maximise <a href="https://theconversation.com/the-other-99-retrofitting-is-the-key-to-putting-more-australians-into-eco-homes-91231">thermal comfort, environmental benefits and financial outcomes</a>. <h2>Tip 2 – Plan your approach</h2> Once you understand what to do, the next step is planning how to go about it. Think about what is most important to your household. What is driving the change? If it’s your health, you might like to start by eliminating indoor air pollution from the gas stove. Or if you want to save money, start using reverse-cycle air conditioning to heat your home, rather than gas. There are three main ways to go all-electric: <ul> <li> Replace all your gas appliances at once. Making the change quickly minimises disruption to your home. You may save money on installation costs by doing everything in one go. You will avoid ongoing fixed gas supply charges once you disconnect from the gas network, but you may be required to pay an “<a href="https://energy.act.gov.au/switching-off-your-gas-connection/">abolishment fee</a>” for permanent disconnection. That fee can vary significantly, depending on your location and gas provider. Costs <a href="https://www.smh.com.au/environment/sustainability/would-you-pay-1000-to-get-off-gas-consumer-dismay-over-disconnection-cost-20230223-p5cmw9.html">could be up to $1000 (or more)</a> but some states like Victoria have capped the price a <a href="https://reneweconomy.com.au/fossil-gas-death-spiral-regulator-sets-exit-fee-to-socialise-cost-of-mass-disconnection/">household can be charged at $220</a>. Renters wouldn’t be able to permanently disconnect without permission from the landlord, so they would still be open to paying the daily connection fee even if they found alternative electric options for everything else. </li> <li> Replace your gas appliances one at a time, as finances allow. However, there will come a point where <a href="http://www.ata.org.au/wp-content/projects/CAP_Gas_Research_Final_Report_251114_v2.0.pdf">financially you will be better off</a> replacing all the remaining gas appliances. This is largely because it will not be affordable to keep paying the daily connection cost for gas if you just have one gas appliance remaining. </li> <li> Just stop using gas appliances in favour of existing electric appliances that do the same job, such as a <a href="https://reneweconomy.com.au/the-traps-laid-by-the-fossil-gas-industry-for-uninformed-households/">reverse cycle air conditioner for space heating</a>. You may have – or can buy – plug-in electric alternatives, such as a microwave ovens, portable induction cooktops, air fryers and heaters. These can be a good option for renters when landlords won’t make changes. </li> </ul> You could even borrow portable appliances to see how they work before committing to buying your own. <figure><iframe src="https://www.youtube.com/embed/tLjWZicC4mE?wmode=transparent&start=2" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe><figcaption>Households share their electrification journey (Renew)</figcaption></figure> <h2>Tip 3 – Access available rebates and resources</h2> Most states offer various rebates for households to reduce the upfront cost of replacing gas appliances. These could reduce costs by thousands of dollars. Some rebates also target rental housing. Here is a list of key rebates available in different states: <ul> <li><a href="https://www.epw.qld.gov.au/about/initiatives/household-energy-savings-program">Queensland</a></li> <li><a href="https://www.energy.nsw.gov.au/households/rebates-grants-and-schemes">New South Wales</a></li> <li><a href="https://www.climatechoices.act.gov.au/policy-programs/home-energy-support-rebates-for-homeowners">ACT</a></li> <li><a href="https://www.energy.vic.gov.au/for-households/victorian-energy-upgrades-for-households">Victoria</a></li> <li><a href="https://recfit.tas.gov.au/household_energy/energy_saver_loan_scheme">Tasmania</a></li> <li><a href="https://www.sa.gov.au/topics/energy-and-environment/using-saving-energy/retailer-energy-productivity-scheme">South Australia</a></li> </ul> Some not-for-profit organisations (such as the <a href="https://www.bsl.org.au/services/energy-assistance/">Brotherhood of St Laurence</a>) offer financial and other support for lower-income households struggling to pay their energy bills. <h2>Tip 4 – Wait for a sale or negotiate a better deal</h2> It might sound simple but you can always save money by waiting until these electric appliances are on sale. If you are buying multiple appliances you can try to negotiate a better price. Factory seconds outlets offer lower prices as well. <h2>Tip 5 – Know the issues</h2> While the shift to all-electric will likely provide many benefits there are some things you need to consider: <ul> <li>The carbon emissions from electricity are falling fast, and many homes have rooftop solar. Combining <a href="https://grattan.edu.au/report/getting-off-gas/">all-electric with solar panels</a> will maximise returns.</li> <li>You may have to adjust to how new technologies operate and perform. For example, you may need <a href="https://www.theage.com.au/goodfood/tips-and-advice/do-you-really-have-to-buy-new-cookware-all-your-burning-questions-about-induction-cooking-answered-20230810-p5dvd0.html">new, metallic cookware for an induction cooktop</a> and become familiar with their fast response. Additionally, some people find heat from reverse cycle air conditioners to be drier and/or draughtier than gas heating. Floor-mounted units heat more effectively.</li> <li>It is not just the energy performance of appliances that matters. For example, noise from heat pump hot water services can vary across different brands. They can also require more space for installation.</li> <li>Undertaking a wider energy retrofit (for example, increasing insulation in walls, ceiling and underfloor, upgrading windows to double glazing) may mean you can buy a smaller, cheaper reverse cycle air conditioner when replacing gas heating.</li> <li>Electric appliances also need maintenance to make sure they perform optimally. For example, reverse cycle air conditioners have filters that must be regularly cleaned. While this can be done by households, it can be hard for people with mobility issues.</li> <li>Depending on the capacity of your electricity switchboard or wiring, extra electric appliances may require upgrades.</li> <li>For renters, while you could use portable appliances, you may not be able to disconnect from gas completely, meaning you would still have to pay a daily connection fee.</li> <li>Gas and electricity prices can change over time, for many reasons. For example, if fixed gas distribution costs are spread over fewer customers.</li> </ul> <h2>A worthwhile investment</h2> Australian states and territories have started banning gas in new builds. Victoria and the ACT will soon require <a href="https://theconversation.com/cooking-and-heating-without-gas-what-are-the-impacts-of-shifting-to-all-electric-homes-210649">new housing and major renovations to be all-electric</a>. Others are likely to follow. For people in existing housing around Australia, it can be daunting to make the switch. Many of us have grown up with gas in our homes and when one appliance breaks, the easiest thing to do is replace like-for-like. But the weight of evidence shows it’s worth taking the time to look at the alteratives and invest in upgrading to all-electric appliances. The benefits far outweigh the costs. <img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/211261/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/trivess-moore-12580">Trivess Moore</a>, Senior Lecturer, School of Property, Construction and Project Management, <a href="https://theconversation.com/institutions/rmit-university-1063">RMIT University</a>; <a href="https://theconversation.com/profiles/alan-pears-52">Alan Pears</a>, Senior Industry Fellow, <a href="https://theconversation.com/institutions/rmit-university-1063">RMIT University</a>, and <a href="https://theconversation.com/profiles/nicola-willand-441807">Nicola Willand</a>, Senior Lecturer, School of Property, Construction and Project Management, <a href="https://theconversation.com/institutions/rmit-university-1063">RMIT University</a> Image credits: Getty Images This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/5-tips-for-getting-off-gas-at-home-for-a-cleaner-cheaper-healthier-all-electric-future-211261">original article</a>.

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Cooking (and heating) without gas: what are the impacts of shifting to all-electric homes?

<a href="https://theconversation.com/profiles/trivess-moore-12580">Trivess Moore</a>, <a href="https://theconversation.com/institutions/rmit-university-1063">RMIT University</a>; <a href="https://theconversation.com/profiles/alan-pears-52">Alan Pears</a>, <a href="https://theconversation.com/institutions/rmit-university-1063">RMIT University</a>, and <a href="https://theconversation.com/profiles/joe-hurley-157161">Joe Hurley</a>, <a href="https://theconversation.com/institutions/rmit-university-1063">RMIT University</a> Gas connections for all new housing and sub-divisions will be <a href="https://www.premier.vic.gov.au/new-victorian-homes-go-all-electric-2024">banned in Victoria</a> from January 1 next year. The long-term result of the state government’s significant change to planning approvals will be all-electric housing. The ACT made <a href="https://www.climatechoices.act.gov.au/policy-programs/preventing-new-gas-network-connections">similar changes</a> early this year, in line with a shift away from gas across <a href="https://www.bbc.com/news/science-environment-47559920">Europe</a> and <a href="https://www.theguardian.com/environment/2023/jan/19/gas-stove-culture-war-united-states">other locations</a>, although the NSW Premier Chris Minns has <a href="https://www.theguardian.com/australia-news/2023/jul/31/nsw-wont-ban-gas-in-new-homes-as-premier-declares-i-dont-need-another-complication">baulked</a> at doing the same. Around <a href="https://www.energy.vic.gov.au/renewable-energy/victorias-gas-substitution-roadmap">80% of homes</a> in Victoria are connected to gas. This high uptake was driven by gas being seen as more affordable and sustainable than electricity over past decades. The situation has <a href="https://www.iea.org/events/net-zero-by-2050-a-roadmap-for-the-global-energy-system">changed dramatically</a> as renewable electricity generation increases and <a href="https://www.abc.net.au/news/2023-07-27/aemo-wholesale-electricity-prices-fall-impact-power-bills/102654498">costs fall</a>. <a href="https://theconversation.com/all-electric-homes-are-better-for-your-hip-pocket-and-the-planet-heres-how-governments-can-help-us-get-off-gas-207409">Research</a> has suggested for more than a decade that the benefits of all-electric homes <a href="https://bze.org.au/research_release/energy-efficient-buildings-plan/">stack up in many locations</a>. New homes built under mandatory building energy performance standards (increasing from <a href="https://thefifthestate.com.au/innovation/building-construction/victoria-kicks-the-can-down-the-road-again-on-the-national-construction-code/">6 to 7 stars</a> in Victoria in May 2024) need smaller, cheaper heating and cooling systems. Installing reverse-cycle air conditioning for cooling provides a cost-effective heater as a bonus. Savings from not requiring gas pipes, appliances and gas supply infrastructure help to offset the costs of highly efficient electric appliances. Mandating fully electric homes means economies of scale will further reduce costs. <h2>How does this ban help?</h2> To achieve environmentally sustainable development, reforms of planning policy and regulation <a href="https://theconversation.com/sustainable-cities-australias-building-and-planning-rules-stand-in-the-way-of-getting-there-84263">are essential</a> to convert innovation and best practice to mainstream practice. Planning policy is particularly important for apartment buildings and other housing that may be rented or have an owners’ corporation. Retrofits to improve energy efficiency can be difficult in these situations. Banning gas in new and renovated housing will <a href="https://grattan.edu.au/report/getting-off-gas/">cut greenhouse gas emissions</a>. It’s also <a href="https://theconversation.com/gas-cooking-is-associated-with-worsening-asthma-in-kids-but-proper-ventilation-helps-151591">healthier for households</a> and <a href="https://www.sustainability.vic.gov.au/research-data-and-insights/research/research-reports/the-victorian-healthy-homes-program-research-findings">reduces healthcare costs</a> as well as <a href="https://grattan.edu.au/report/getting-off-gas/">energy bills and infrastructure costs</a>. The Victorian government suggests the change will save all-electric households <a href="https://www.premier.vic.gov.au/new-victorian-homes-go-all-electric-2024">about $1,000 a year</a>. Houses with solar will be even better off. The government appears to be offering wide support to ensure these changes happen, but this will need to be monitored closely. Some households will face extra costs for electric appliances and solar panels. The government’s announcement of <a href="https://www.premier.vic.gov.au/new-victorian-homes-go-all-electric-2024">$10 million</a> for Residential Electrification Grants should help with some of these costs while the industry adjusts. There will be impacts and benefits for the local economy. Some jobs may be lost, particularly in the gas appliance and plumbing industry. The government has announced financial support to retrain people and they will still have essential roles in the existing housing sector. Many gas appliances are imported, including ovens, cooktops and instantaneous gas water heaters. Some components of efficient electric products, such as hot water storage tanks, are made locally. Local activities, including distribution, sales, design, installation and maintenance, comprise much of the overall cost. <h2>Challenges of change must be managed</h2> Sustainability benefits will depend on what <a href="https://grattan.edu.au/report/getting-off-gas/">happens with the energy network</a>. We need more renewable energy, energy storage and smarter management of electricity demand. The shift to all-electric homes may mean winter peak demand for heating increases. Energy market operators and governments will have to monitor demand changes carefully to avoid the reliability issues we already see in summer. However, improving energy efficiency, energy storage and demand management will help reduce this load (and household costs). While the benefits are clear for new homes, the changes may <a href="https://www.bsl.org.au/research/publications/enabling-electrification/">increase gas costs and energy poverty</a> for residents of existing housing who don’t shift to efficient electric solutions. The government has reconfirmed financial rebates to help households switch from gas. In addition, existing housing may face building quality and performance issues. Some may require electrical wiring upgrades as part of the transition. Social acceptance of some electric appliances may also be an issue. For example, <a href="https://www.rmit.edu.au/about/schools-colleges/property-construction-and-project-management/research/research-centres-and-groups/sustainable-building-innovation-laboratory/projects/heet-housing-energy-efficiency-transitions">our research</a> has found some households dislike the way heating from reverse cycle air conditioners feels. Others do not like cooking on induction cooktops. Consumer education and modifications to appliances and buildings may be needed to increase acceptance and avoid backlash. Some electric appliances are available overseas but not in Australia. Higher demand may increase the range of imports. For example, floor-mounted heat pumps can make heating feel similar to gas heating while still providing effective cooling. We should not assume electric appliances are all equal. To improve consumer protection, action is needed on weak standards and limited and inconsistent public information. For example, information on noise levels and efficiency under a range of weather conditions must be standardised. Moving housing away from gas is an <a href="https://link.springer.com/book/10.1007/978-981-99-2760-9">important step</a> in the transition to a zero-carbon economy and energy system. Careful management is needed to ensure this transition is effective, accepted and fair. Continued planning reforms are also essential to ensure environmentally sustainable development of housing and communities. Other urgent priorities include urban cooling and greening, and <a href="https://theconversation.com/turning-the-housing-crisis-around-how-a-circular-economy-can-give-us-affordable-sustainable-homes-208745">circular economy approaches</a> to reduce the material and waste impacts of housing and thus the carbon that goes into building and running homes.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/210649/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/trivess-moore-12580">Trivess Moore</a>, Senior Lecturer, School of Property, Construction and Project Management, <a href="https://theconversation.com/institutions/rmit-university-1063">RMIT University</a>; <a href="https://theconversation.com/profiles/alan-pears-52">Alan Pears</a>, Senior Industry Fellow, <a href="https://theconversation.com/institutions/rmit-university-1063">RMIT University</a>, and <a href="https://theconversation.com/profiles/joe-hurley-157161">Joe Hurley</a>, Associate Professor, Sustainability and Urban Planning, <a href="https://theconversation.com/institutions/rmit-university-1063">RMIT University</a> Image credits: Getty Images This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/cooking-and-heating-without-gas-what-are-the-impacts-of-shifting-to-all-electric-homes-210649">original article</a>.

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Keen to get off gas in your home, but struggling to make the switch? Research shows you’re not alone

<a href="https://theconversation.com/profiles/sangeetha-chandrashekeran-330214">Sangeetha Chandrashekeran</a>, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a> and <a href="https://theconversation.com/profiles/julia-de-bruyn-1250694">Julia de Bruyn</a>, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a> More than five million households in Australia are connected to the gas network. Tackling climate change requires homes and businesses to move away from gas, and instead embrace electric appliances as the power grid shifts to renewable energy. People can <a href="https://grattan.edu.au/wp-content/uploads/2023/06/Getting-off-gas-why-how-and-who-should-pay.pdf">save</a> considerable money by switching away from gas – even more so if they have solar panels installed. But still, millions of Australians haven’t yet made the move. Why? Our new research, <a href="https://www.bsl.org.au/research/publications/enabling-electrification/">released today</a>, seeks to shed light on this question. We focused on lower-income households in Victoria and found while most participants supported the transition from gas, few owned electric appliances for heating, cooking and hot water. There were two main barriers: people couldn’t afford the upfront cost of buying new electric appliances, or were renting and so had little or no say over what appliances were installed. Overcoming these and other challenges is crucial to ensure no-one gets left behind in Australia’s energy transition. <h2>Making it fair for all</h2> Victoria has <a href="https://www.climatechange.vic.gov.au/climate-action-targets">committed</a> to net-zero greenhouse gas emissions by 2045. To help achieve this, the state government is developing a <a href="https://www.energy.vic.gov.au/renewable-energy/victorias-gas-substitution-roadmap">plan</a> for the state to electrify. Other states and <a href="https://www.climatechoices.act.gov.au/energy/switching-from-gas#:%7E:text=The%20ACT%20will%20transition%20away%20from%20fossil%20fuel,ACT%20during%203%20March%20%E2%80%93%2020%20April%202023.">territories</a> are also moving in this direction. But to date, not enough research and policy attention has been paid to making this transition fair and equitable for everyone. Low-income households <a href="https://www.bsl.org.au/research/publications/energy-stressed-in-australia/">spend</a> a larger proportion of their income on energy bills compared to higher-income households. This is despite those households using less energy. The affordability of gas will become worse as more households electrify. That’s because part of a gas bill includes the fixed cost of running gas infrastructure – so as progressively fewer people use gas, the remaining users pay more. And those who don’t make the move away from gas miss out on the long-term economic benefits. <a href="https://www.energy.vic.gov.au/__data/assets/pdf_file/0039/579882/Victorias-Gas-Substitution-Roadmap-Embracing-electricity-to-cut-your-bills-at-home.pdf">Analysis</a> last year suggested a typical Victorian household could reduce its annual energy costs by A$1,020 by replacing gas heating, cooking and hot water systems with electric ones. The figure rises to $1,250 for those with solar power. These savings will be amplified if the price of gas continues to rise relative to electricity. That’s why it’s important to help as many lower-income people as possible to make the switch to electric appliances. Our research set out to understand what might prevent or enable that shift. We studied households in Victoria: the state with the highest prevalence of residential gas use in Australia and where plans for an economy-wide transition away from fossil gas are underway. <h2>What we found</h2> We conducted an online survey, which received 220 eligible responses. We also undertook focus groups with 34 people. All participants were from lower-income households. Most participants – 88% – used gas in the home, reflecting its prevalence in Victoria. More than two-thirds indicated some level of support for a transition away from household gas to cleaner energy sources. Support was greater with higher levels of education. There was no significant difference based on financial stress, housing tenure, location or age. But this support had not translated into action. Just one in ten surveyed households had replaced gas appliances with electric ones within the past five years. Among those who had switched or planned to switch, the main reasons were lower running costs and environmental benefits. Respondents considered electric appliances to be safer and better for the environment. Gas appliances were considered better for heating and cooking. Many respondents were unsure about the relative benefits of electric versus gas appliances when it came to cost, reliability, safety and the environment. <figure class="align-center "><img src="https://images.theconversation.com/files/538548/original/file-20230720-15-61nj78.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/538548/original/file-20230720-15-61nj78.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=600&h=175&fit=crop&dpr=1 600w, https://images.theconversation.com/files/538548/original/file-20230720-15-61nj78.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=175&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/538548/original/file-20230720-15-61nj78.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=175&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/538548/original/file-20230720-15-61nj78.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=221&fit=crop&dpr=1 754w, https://images.theconversation.com/files/538548/original/file-20230720-15-61nj78.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=221&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/538548/original/file-20230720-15-61nj78.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=221&fit=crop&dpr=3 2262w" alt="" /><figcaption>Graph showing the benefits of gas versus electric appliances, as perceived by participants in the study. Author provided</figcaption></figure> Preferences were strongly linked to what people were currently using. Most people preferred gas cooktops over electric ones, because of the perceived speed, ease and flexibility. However, few participants had used electric induction stoves, which can also offer these benefits. People who spoke a language other than English were significantly more likely to prefer gas for heating and hot water. For those who had not replaced gas appliances, being a renter was one of the biggest barriers to electrification. Some renters said they lived in poor housing, but were unwilling to request improvements in case the landlord increased the rent or evicted them. Respondents also said they would struggle to afford the upfront costs of electrification, such as buying new appliances and, in some cases, wiring upgrades and other building modifications. Many participants were aware of and had received state government assistance to help with energy bills. But far fewer people knew about or had used <a href="https://www.solar.vic.gov.au/home-heating-cooling-upgrades?redirectSrc=heatingupgrades.vic.gov.au">programs</a> that could support them to adopt electric appliances. <h2>Embracing the switch</h2> An overall strategy is needed to help all households make the shift to electric appliances and technology. Our research suggests this must include specific measures for lower-income households, such as: <ul> <li> targeted and well-promoted electrification programs </li> <li> more evidence-based information on the benefits of electric appliances </li> <li> incentives for landlords and standards requiring efficient electric appliances in rental homes </li> <li> means-tested rebates for electric appliances such as reverse cycle air-conditioners and heat pump hot water, and where appropriate, no- or low-interest loans. </li> </ul> These measures should, where possible, be linked to measures to improve household energy efficiency. And lower-income households, as well as others facing barriers to getting off gas, must be included when planning the transition. Researchers David Bryant and Damian Sullivan from the Brotherhood of St Laurence contributed to this article and co-authored the research upon which it is based.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/209589/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/sangeetha-chandrashekeran-330214">Sangeetha Chandrashekeran</a>, Senior Research Fellow, Australian Research Council Centre of Excellence for Children and Families over the Life Course, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a> and <a href="https://theconversation.com/profiles/julia-de-bruyn-1250694">Julia de Bruyn</a>, Associate Investigator, ARC Centre of Excellence for Children and Families over the Life Course, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a> Image credits: Getty Images This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/keen-to-get-off-gas-in-your-home-but-struggling-to-make-the-switch-research-shows-youre-not-alone-209589">original article</a>.

Home & Garden

All-electric homes are better for your hip pocket and the planet. Here’s how governments can help us get off gas

<a href="https://theconversation.com/profiles/esther-suckling-1220357">Esther Suckling</a>, <a href="https://theconversation.com/institutions/grattan-institute-1168">Grattan Institute</a> If every Australian household that uses gas went all-electric today, we would “save” more than 30 million tonnes of carbon dioxide emissions over the next ten years. That’s because there are more than <a href="https://www.energynetworks.com.au/resources/fact-sheets/reliable-and-clean-gas-for-australian-homes-2/">5 million households</a> on the gas network, and the <a href="https://grattan.edu.au/report/getting-off-gas">avoided emissions per home</a> ranges from 5-25 tonnes over the coming decade, depending on the location. Most people would spend less money on energy too. Electric appliances use less energy than gas appliances to do the same job, making them cheaper to run. Our <a href="https://grattan.edu.au/report/getting-off-gas">new report</a> shows how much most households can save by switching from gas to electricity for heating, hot water and cooking. The extra cash couldn’t come at a better time: about <a href="https://www.rmit.edu.au/news/all-news/2023/may/hidden-energy-poverty">a quarter of Australian households</a> say they found it difficult to pay their energy bills this year. But many households face hurdles that stop them, or make it hard for them, to go all-electric. Governments could make it easier for people and bring emissions-reduction targets closer to reality. <h2>Most households save by upgrading to electric</h2> <figure class="align-center zoomable"><a href="https://images.theconversation.com/files/532139/original/file-20230615-29-h20bv5.png?ixlib=rb-1.1.0&q=45&auto=format&w=1000&fit=clip"><img src="https://images.theconversation.com/files/532139/original/file-20230615-29-h20bv5.png?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/532139/original/file-20230615-29-h20bv5.png?ixlib=rb-1.1.0&q=45&auto=format&w=600&h=393&fit=crop&dpr=1 600w, https://images.theconversation.com/files/532139/original/file-20230615-29-h20bv5.png?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=393&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/532139/original/file-20230615-29-h20bv5.png?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=393&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/532139/original/file-20230615-29-h20bv5.png?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=493&fit=crop&dpr=1 754w, https://images.theconversation.com/files/532139/original/file-20230615-29-h20bv5.png?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=493&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/532139/original/file-20230615-29-h20bv5.png?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=493&fit=crop&dpr=3 2262w" alt="A chart showing estimated savings for each household switching from gas to electricity, over 10 years, in each capital city" /></a><figcaption>Over 10 years, the estimated savings for each household switching from gas to electricity range up to $13,900 in Melbourne. It’s a flat $3,890 figure for Brisbane, rather than a range, because there’s no gas heating. Grattan Institute, Author provided</figcaption></figure> Households in Melbourne tend to use more gas than those in other mainland capitals, mainly because the winter is so cold. Our report found Melburnians who replace broken gas appliances with electric ones, or move into an all-electric home, could save up to A$13,900 over ten years. Households with rooftop solar will save even more. It’s a similar story in most parts of Australia except the west, where gas is relatively cheap. This mainly reflects differences in the historical development of the gas markets between the west and east coasts. Getting off gas could also be <a href="https://www1.racgp.org.au/ajgp/2022/december/health-risks-from-indoor-gas-appliances">good for your health</a>. Several studies link cooking with gas to <a href="https://www.nationalasthma.org.au/living-with-asthma/resources/patients-carers/factsheets/gas-stoves-and-asthma-in-children">childhood asthma</a>. <h2>Households face a series of hurdles</h2> Renters make up nearly a third of all households, and they have little or no control over the appliances that are installed. As most electric appliances cost more to buy than gas ones – and the subsequent bill savings flow to tenants – landlords have little incentive to upgrade their properties from gas to all-electric. Apartment living can increase the level of complexity. Multi-unit dwellings often bundle gas bills into body-corporate fees, limiting the occupants’ incentive to go all-electric. There can also be space constraints in these buildings. Centralised electric heat pumps, for example, take up more space than centralised gas water heaters. Then there are households that simply can’t afford the upgrade. Induction stoves and heat pumps are more expensive than their gas equivalents, by up to a combined $2,000. This initial outlay will soon be recovered by cheaper energy bills, but that doesn’t help households that don’t have the cash up front. The <a href="https://melbourneinstitute.unimelb.edu.au/data/taking-the-pulse-of-the-nation-2022/2023/energy-poverty">12% of households that skipped meals</a> to pay their energy bills in the past year are the most likely to remain locked into high gas bills. Some people also simply prefer cooking with gas. Some think induction cooktops will be no better than the poor-performing electric cooktops they may have used in the distant past. Others haven’t ever heard of a heat pump for hot water. <h2>Here’s how governments can help</h2> Governments, both state and federal, should lower the hurdles on the path to all-electric homes -– to reduce people’s cost of living and to cut carbon emissions. As a first step, state governments should ban new gas connections to homes. In 2021, more than 70,000 households joined the gas network. Trying to shift households off gas while allowing new connections is like pouring water into a bucket with a hole. Then, governments should provide landlords with tax write-offs on new induction stoves and heat pumps for hot water, for a limited time. After that, they should require every rental property to be all-electric. Governments should pay to upgrade public housing to all-electric, where they are the landlords. And they should pay not-for-profits managing community housing to do the same. The federal government should help all households to spread the cost of electric appliances over time. It should subsidise banks to offer low-interest loans for home electrification, via the Clean Energy Finance Corporation. And governments should set out to change people’s preferences, from gas to electric. They should embark on a multi-decade communication campaign, not unlike the campaign to upgrade from analogue to digital television in the early 2000s. A key challenge will be shifting people’s ideas about the best way to cook. There are precedents. In Gininderry, a new all-electric suburb of Canberra, one developer recruited chefs to run demonstrations on induction cooktops at the display village. The proportion of potential homebuyers <a href="https://ginninderry.com/wp-content/uploads/2021/08/Ginninderry-2017-Householder-Attitudes-to-Residential-Renewable-Energy-Futures.pdf">willing to consider buying an all-electric home</a> rose from 67% to 88%. <figure><iframe src="https://www.youtube.com/embed/K9ytSh5TM9M?wmode=transparent&start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe><figcaption>Induction cooking with Chef David Wei at Ginninderry.</figcaption></figure> <h2>‘Green gas’ is no panacea: electricity is cheaper</h2> <figure class="align-center zoomable"><a href="https://images.theconversation.com/files/532117/original/file-20230615-23-n0wdqe.png?ixlib=rb-1.1.0&q=45&auto=format&w=1000&fit=clip"><img src="https://images.theconversation.com/files/532117/original/file-20230615-23-n0wdqe.png?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/532117/original/file-20230615-23-n0wdqe.png?ixlib=rb-1.1.0&q=45&auto=format&w=600&h=572&fit=crop&dpr=1 600w, https://images.theconversation.com/files/532117/original/file-20230615-23-n0wdqe.png?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=572&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/532117/original/file-20230615-23-n0wdqe.png?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=572&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/532117/original/file-20230615-23-n0wdqe.png?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=719&fit=crop&dpr=1 754w, https://images.theconversation.com/files/532117/original/file-20230615-23-n0wdqe.png?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=719&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/532117/original/file-20230615-23-n0wdqe.png?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=719&fit=crop&dpr=3 2262w" alt="Chart comparing the cost of hydrogen to electricity over time, showing hydrogen is more expensive and will remain so for decades" /></a><figcaption>Hydrogen is more expensive than electricity and will remain so for decades. Grattan Institute, Author provided</figcaption></figure> The gas industry has another solution in mind: instead of switching from gas to electricity, it suggests using “green gas” -– biomethane or “green” hydrogen. Biomethane is chemically identical to natural gas, but is derived from biological materials such as food waste, sewage or agricultural waste. Green hydrogen is made by using electricity to split water into hydrogen and oxygen. But both options are <a href="https://theconversation.com/hydrogen-where-is-low-carbon-fuel-most-useful-for-decarbonisation-147696">too expensive and too far away</a>. Under the most generous of assumptions, green hydrogen will only become cost-competitive with electricity after 2045. And there is not enough biomethane commercially available to replace gas in households. Meanwhile, more than three million Australian homes already run on electricity alone. Getting the five million homes that use gas to the same point won’t be easy. But with good policy, it is doable. For households, and the climate, there is much to be gained.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/207409/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/esther-suckling-1220357">Esther Suckling</a>, Research Associate, <a href="https://theconversation.com/institutions/grattan-institute-1168">Grattan Institute</a> This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/all-electric-homes-are-better-for-your-hip-pocket-and-the-planet-heres-how-governments-can-help-us-get-off-gas-207409">original article</a>. Images: Getty

Real Estate

An El Niño looms over Australia’s stressed electricity system – and we must plan for the worst

<a href="https://theconversation.com/profiles/dylan-mcconnell-1602">Dylan McConnell</a>, <a href="https://theconversation.com/institutions/unsw-sydney-1414">UNSW Sydney</a> and <a href="https://theconversation.com/profiles/iain-macgill-576">Iain MacGill</a>, <a href="https://theconversation.com/institutions/unsw-sydney-1414">UNSW Sydney</a> The Bureau of Meteorology this week declared a 70% chance of an <a href="https://media.bom.gov.au/releases/1170/the-bureau-of-meteorology-issues-an-el-nino-alert/">El Niño</a> developing this year. It’s bad timing for the electricity sector, and means Australians may face supply disruptions and volatile prices. <a href="http://www.bom.gov.au/climate/updates/articles/a008-el-nino-and-australia.shtml">El Niño events</a> are <a href="https://theconversation.com/from-floods-to-fire-a-climate-scientist-on-the-chances-el-nino-will-hit-australia-this-year-197408">associated with</a> increased temperatures and heatwaves. These conditions drive demand for electricity, especially in summer. These same conditions can also mean some generators don’t produce at full capacity. And unfortunately, the likely El Niño comes as the electricity sector grapples with other significant headwinds. Australia’s electricity grid may be fine this summer. But given what’s on the horizon, it would be prudent to plan for the worst. <h2>How does hot weather affect energy supplies?</h2> Increased air conditioning use in summer can cause <a href="https://aemo.com.au/-/media/files/electricity/nem/planning_and_forecasting/nem_esoo/2022/forecasting-approach-electricity-demand-forecasting-methodology.pdf">demand to peak</a>, particularly during heatwaves, as the below graph shows. <figure class="align-center "><img src="https://images.theconversation.com/files/530604/original/file-20230607-27-m1kddg.png?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/530604/original/file-20230607-27-m1kddg.png?ixlib=rb-1.1.0&q=45&auto=format&w=600&h=208&fit=crop&dpr=1 600w, https://images.theconversation.com/files/530604/original/file-20230607-27-m1kddg.png?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=208&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/530604/original/file-20230607-27-m1kddg.png?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=208&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/530604/original/file-20230607-27-m1kddg.png?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=262&fit=crop&dpr=1 754w, https://images.theconversation.com/files/530604/original/file-20230607-27-m1kddg.png?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=262&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/530604/original/file-20230607-27-m1kddg.png?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=262&fit=crop&dpr=3 2262w" alt="Scatterplot of New South Wales demand and temperature, example based on 2017 calendar year" /><figcaption>Scatterplot of New South Wales demand and temperature, example based on 2017 calendar year. AEMO</figcaption></figure> At the same time, electricity generators – including coal, gas, <a href="https://www.climatechangeinaustralia.gov.au/en/projects/esci/esci-case-studies/case-study-heat/">solar and wind</a> – can become less efficient in hot temperatures, and so provide less energy to the system. And the hotter transmission lines get, the less electrical current they can safely carry. This lowers their capacity to transport energy. When the electricity grid is under stress, this can lead to “load shedding” or blackouts – when power companies deliberately switch off the power supply to groups of customers to prevent the overall system from becoming dangerously unstable. This happened in Victoria in early 2019, when more than <a href="https://www.abc.net.au/news/2019-01-26/victorian-blackouts-what-caused-them-and-is-this-the-new-normal/10751412">200,000 customers</a> lost power during a period of extreme heat. El Niño events are also associated with reduced rainfall. Among other effects on the electricity grid, this can reduce output from hydroelectricity generators (which produce electricity by pumping water through turbines). This <a href="https://theconversation.com/praying-for-rain-50085">occurred</a> in Tasmania in 2016, and contributed to an energy crisis in that state. <h2>Other headwinds are blowing</h2> Aside from facing a likely El Niño, the electricity sector faces other headaches. Earlier this year, the Australian Energy Market Operator <a href="https://aemo.com.au/newsroom/media-release/aemo-issues-nem-reliability-update">warned</a> electricity demand “may exceed supply” at times over the next decade due to factors such as weather conditions or generator outages. The market operator pointed to delays to the Snowy 2.0 hydro project and the gas-fired <a href="https://www.afr.com/companies/energy/new-snowy-ceo-can-t-rule-out-further-delays-at-projects-20230213-p5cjzr">Kurri Kurri Power Station</a>, both in New South Wales. The Kurri Kurri project has been delayed for a year. It was scheduled to begin operating in December this year – in time for the first summer since the Liddell coal-fired power station closed. The Australian Energy Market Operator said the electricity system was expected to meet the “reliability standard” in all regions for the next five years. The <a href="https://www.aemc.gov.au/energy-system/electricity/electricity-system/reliability#:%7E:text=What%20is%20the%20Reliability%20Standard,to%20be%20met%20each%20year.">standard requires</a> at least 99.998% of forecast demand be met each year. Unmet demand can lead to interrupted supply, or blackouts. But the operator also said delays to the Kurri Kurri project posed risks to reliability in NSW this summer. Adding to the pressures on the system, Queensland’s Callide C coal-fired power station is still not back to capacity more than two years after an explosion at the site. The station’s owners last week <a href="https://www.afr.com/companies/energy/energy-grid-fears-as-callide-c-return-delayed-until-mid-2024-20230529-p5dc90">announced</a> the plant would not be fully operational until mid-2024. Combine all this with a likely El Niño, and the electricity sector may be facing a challenging summer. <h2>El Niño years are not normal</h2> In August, the Australian Energy Market Operator is due to publish a new <a href="https://aemo.com.au/-/media/files/electricity/nem/planning_and_forecasting/nem_esoo/2022/esoo-and-reliability-forecast-methodology-document-2022.pdf">assessment</a> of the grid’s expected reliability over the next decade. It may well show reliability standards will be achieved. On first blush, that sounds like good news. However, the way the assessment is derived may mask the real risk during El Niño periods. The assessment combines a number of scenarios, which are based on different <a href="https://aemo.com.au/en/energy-systems/electricity/national-electricity-market-nem/nem-forecasting-and-planning/forecasting-and-reliability/projected-assessment-of-system-adequacy">forecasts</a> of electricity demand. The scenarios based on average weather conditions are given the most weight. But if an El Niño arrives, this summer will not be average. We’re likely to experience very hot and dry conditions. This may lead to higher demands on the energy system, and a greater likelihood of blackouts. This won’t be properly reflected in the assessment. So the grid may be deemed reliable even though electricity supplies are under immense pressure. <figure class="align-center "><img src="https://images.theconversation.com/files/530771/original/file-20230608-30-lb28wc.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/530771/original/file-20230608-30-lb28wc.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=600&h=450&fit=crop&dpr=1 600w, https://images.theconversation.com/files/530771/original/file-20230608-30-lb28wc.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=450&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/530771/original/file-20230608-30-lb28wc.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=450&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/530771/original/file-20230608-30-lb28wc.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=566&fit=crop&dpr=1 754w, https://images.theconversation.com/files/530771/original/file-20230608-30-lb28wc.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=566&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/530771/original/file-20230608-30-lb28wc.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=566&fit=crop&dpr=3 2262w" alt="repair person climbs power pole" /><figcaption>The grid may be deemed reliable even though it’s under pressure. Shutterstock</figcaption></figure> <h2>What can be done?</h2> You might find all this news worrying. But there are measures and technologies in place to help reduce the risks. <a href="https://aemo.com.au/en/energy-systems/electricity/emergency-management/reliability-and-emergency-reserve-trader-rert">A mechanism</a> exists that allows the market operator to secure emergency energy reserves. It could mean, for example, calling on a large industrial plant to pause operations to reduce its electricity use, or starting up a standby diesel generator. The operator can start procuring this months ahead of time, and will no doubt be monitoring the situation closely. In the medium term, the uptake of so-called “consumer energy resources” such as rooftop solar farms and small-scale battery storage shows promise. These technologies are located at homes and businesses. They can reduce demand on the grid at peak times and can potentially be built faster than big projects. Longer term, we need to build more “stuff”. This includes renewable energy and other “dispatchable” resources – which can provide energy when it’s needed – as well as more transmission infrastructure. Several federal funding measures – the <a href="https://www.energy.gov.au/government-priorities/energy-supply/capacity-investment-scheme">Capacity Investment Scheme</a> and <a href="https://www.energy.gov.au/news-media/news/rewiring-nation-supports-its-first-two-transmission-projects">Rewiring the Nation</a> – might help realise these projects. The reality is that ageing coal plants are closing – and while they remain open, they’re contributing to reliability challenges in the energy system. Unchecked climate change will also add considerable strain, through natural disasters and more extreme weather. Unfortunately, investment in renewable and other low-emission technology has been <a href="https://www.cleanenergycouncil.org.au/news/clean-energy-construction-peaks-as-investment-pipeline-battles-headwinds">slower than necessary</a>. This has slowed Australia’s emissions reduction efforts and cast questions over the reliability of our energy supplies as an El Niño looms.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/207210/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/dylan-mcconnell-1602">Dylan McConnell</a>, Senior Research Associate, Renewable Energy & Energy Systems Analyst, <a href="https://theconversation.com/institutions/unsw-sydney-1414">UNSW Sydney</a> and <a href="https://theconversation.com/profiles/iain-macgill-576">Iain MacGill</a>, Joint director, Collaboration on Energy and Environmental Markets, and Professor, School of Electrical Engineering and Telecommunications, <a href="https://theconversation.com/institutions/unsw-sydney-1414">UNSW Sydney</a> This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/an-el-nino-looms-over-australias-stressed-electricity-system-and-we-must-plan-for-the-worst-207210">original article</a>. Images: Getty

Technology

The best electric heated blanket in Australia for unparalleled warmth and comfort

Electric heated blankets have become the hot topic in town, offering the perfect balance of warmth and comfort. Say goodbye to traditional throws that no longer cut it. These versatile blankets have multiple uses, whether you want to snuggle up on the couch with a book or your favourite movie or keep your bed toasty by placing them under your sheets. Some electric blankets even let you <a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.adairs.com.au%2Fbedroom%2Felectric-blankets%2Fgainsborough%2Fgainsborough-electric-blanket2%2F&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">preheat before slipping into bed</a>! With a plethora of <a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.myer.com.au%2Fc%2Fhome%2Fbedding%2Fcoverlets-throws%2Felectric-blankets&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">heated electric blankets available to buy online</a>, each offering a unique experience, finding the perfect one for your needs can be time-consuming. That's where we step in. We've invested the time and effort to curate a meticulously crafted list of the best electric heated blankets available in Australia. We understand that everyone has different requirements, which is why we've categorised our top choices based on your specific needs. Whether you're seeking an underlay blanket for your bed, a <a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.bigw.com.au%2Fproduct%2Fjason-reversible-heated-throw-iron%2Fp%2F253200&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">reversible throw</a>, or an <a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.myer.com.au%2Fp%2Fbreville-bodyzone-plus-electric-blanket-breville-home-wifi-connect-white&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">electric blanket with smartphone control</a>, we've got you covered. <h4>1. The best fitted electric blanket </h4> <h4><a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.adairs.com.au%2Fbedroom%2Felectric-blankets%2Fgainsborough%2Fgainsborough-electric-blanket2%2F&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">Gainsborough Electric Blanket</a>, from $149.99, Adairs</h4> <a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.adairs.com.au%2Fbedroom%2Felectric-blankets%2Fgainsborough%2Fgainsborough-electric-blanket2%2F&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener"><img src="https://oversixtydev.blob.core.windows.net/media/2023/05/1blanket.jpg" alt="" width="1280" height="1280" /></a> If you're looking for an electric blanket that's like a fitted sheet, the Gainsborough Electric Blanket takes the top spot. It has this impressive pre-heating function that's perfect for when you're getting ready for bed, so you can ensure your bed is warm and cosy when you finally climb in. Who wants to hop into a bed with cold sheets? Not me. It comes with two detachable controllers and three heat settings, so you'll always have a controller within arm's reach. And for safety precautions, it has a handy LED power indicator that lets you know if it's on or off before you dash out of the door. Speaking of safety features, it's got this automatic overheat safeguard system, so there is no need to stress about any accidents or injuries, to put your mind at ease. Sizing: <ul> <li>Single Fitted Electric Blanket: 91cm x 190cm x 50cm</li> <li>King Single Fitted Electric Blanket: 105cm x 203cm x 50cm</li> <li>Double Fitted Electric Blanket: 139cm x 190cm x 50cm</li> <li>Queen Fitted Electric Blanket: 150cm x 203cm x 50cm</li> <li>King Fitted Electric Blanket: 180cm x 203cm x 50cm</li> <li>Super King Fitted Electric Blanket: 204cm x 204cm x 50cm</li> </ul> <h3><a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.adairs.com.au%2Fbedroom%2Felectric-blankets%2Fgainsborough%2Fgainsborough-electric-blanket2%2F&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">Buy it here</a></h3> <h4> </h4> <h4>2. High-tech heated blanket</h4> <h4><a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.myer.com.au%2Fp%2Fbreville-bodyzone-plus-electric-blanket-breville-home-wifi-connect-white&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">Breville Bodyzone Plus Electric Blanket Breville Home with Wifi Connect</a>, $319.20 - $343.20, was $399.00 - $429.00, Myer</h4> <a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.myer.com.au%2Fp%2Fbreville-bodyzone-plus-electric-blanket-breville-home-wifi-connect-white&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener"><img src="https://oversixtydev.blob.core.windows.net/media/2023/05/6blanket.jpg" alt="" width="1280" height="751" /></a> Who would've thought technology would come so far? Now you can even connect your smartphone to electric heated blankets. It's like having a remote control for the heat, letting you fine-tune the warmth for your upper and lower body. With the multi-zone heating tech and six heat settings, you're in complete control of your cosy experience. To get started, simply download the Breville Home Connect app from either the Apple or Android store. But don't worry if you prefer a more traditional approach – the set also includes two remote controllers. This electric blanket serves as the perfect topper for your King size mattress, measuring 200cm x 178cm. Additionally, it features a fully fitted skirt with a generous depth of 45cm. <h3><a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.myer.com.au%2Fp%2Fbreville-bodyzone-plus-electric-blanket-breville-home-wifi-connect-white&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">Buy it here</a></h3> <h4>3. Heated blanket for road trips and camping</h4> <h4><a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.kogan.com%2Fau%2Fbuy%2Fovela-12v-car-electric-blanket-charcoal%2F&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">Ovela 12V Car Electric Blanket</a>, $39.99 reduced from $64.99, Kogan</h4> <a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.kogan.com%2Fau%2Fbuy%2Fovela-12v-car-electric-blanket-charcoal%2F&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener"><img src="https://oversixtydev.blob.core.windows.net/media/2023/05/2blanket.jpg" alt="" width="1280" height="706" /></a> Your winter car journeys will never be the same again. This mobile electric blanket is a total game-changer for those long road trips and chilly camping adventures, especially during colder months. Power it up by simply plugging it into any 12V DC car, truck, boat, or RV socket. Its dimensions are 150 cm x 110 cm, so it's just the right size for one adult or even two kids. It even comes with a nifty zipper-carrying bag, keeping it shielded from moisture when it’s stored. And let's not forget about the ultra-soft polyester fleece material that's like a dream against your skin. <h3><a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.kogan.com%2Fau%2Fbuy%2Fovela-12v-car-electric-blanket-charcoal%2F&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">Buy it here</a></h3> <h4> </h4> <h4>4. Best affordable heated blanket</h4> <h4><a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.thegoodguys.com.au%2Fdimplex-micro-fleece-heated-throw-dhdeht&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">Dimplex Micro Fleece Heated Throw</a>, $99, The Good Guys</h4> <a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.thegoodguys.com.au%2Fdimplex-micro-fleece-heated-throw-dhdeht&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener"><img src="https://oversixtydev.blob.core.windows.net/media/2023/05/3blanket.jpg" alt="" width="1280" height="725" /></a> For a more budget-friendly option, consider the Dimplex Micro Fleece Heated Throw. It’s a great option that doesn’t skimp on impressive features, including a 3-hour auto-off. It’s a breeze to keep clean thanks to the detachable controls, so it can be put on a cycle in the machine-washable. The size specifications of this throw work out at 180cm x 130cm. And better than most, it has six heat settings so you can find the perfect level of toastiness. <h3><a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.thegoodguys.com.au%2Fdimplex-micro-fleece-heated-throw-dhdeht&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">Buy it here</a></h3> <h4>5. Best all-round heated blanket</h4> <h4><a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.thegoodguys.com.au%2Fsunbeam-sleep-perfect-antibacterial-electric-bla-bla5351&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">Sunbeam Sleep Perfect Antibacterial Electric Blanket</a>, $159, The Good Guys</h4> <a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.thegoodguys.com.au%2Fsunbeam-sleep-perfect-antibacterial-electric-bla-bla5351&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener"><img src="https://oversixtydev.blob.core.windows.net/media/2023/05/4blanket.jpg" alt="" width="1280" height="704" /></a> This queen-sized electric blanket from Sunbeam is 200 cm x 153 cm, making it the ideal size for most people, whether it’s all for themselves or to snuggle up with their other half. Cleaning is a breeze since it's machine washable. However, the real showstopper is the impressive selection of 9 heat settings, giving you plenty of options to indulge in. <h3><a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.thegoodguys.com.au%2Fsunbeam-sleep-perfect-antibacterial-electric-bla-bla5351&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">Buy it here</a></h3> <h4>6. Best reversible heated throw </h4> <h4><a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.bigw.com.au%2Fproduct%2Fjason-reversible-heated-throw-iron%2Fp%2F253200&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">Jason Reversible Heated Throw</a>, $99, Big W</h4> <a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.bigw.com.au%2Fproduct%2Fjason-reversible-heated-throw-iron%2Fp%2F253200&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener"><img src="https://oversixtydev.blob.core.windows.net/media/2023/05/5blanket.jpg" alt="" width="1280" height="747" /></a> With a reversible heated blanket like this one, you can effortlessly toss it onto your sofa without any concerns about which side is the "good side" - because both sides are equally fantastic. This incredibly cosy throw features Sherpa on one side and Coral Fleece on the other, ensuring ultimate comfort. It also comes with built-in protection against overheating. It’s on the slightly smaller side compared to some of the other blankets we’ve shared, as it’s 130 x 160cm. When it's time to wash, simply detach the remote controller and follow the straightforward instructions provided. <h3><a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.bigw.com.au%2Fproduct%2Fjason-reversible-heated-throw-iron%2Fp%2F253200&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">Buy it here</a></h3> <h4>7. Most luxurious heat blanket</h4> <h4><a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.myer.com.au%2Fp%2Froyal-comfort-royal-comfort-flece-top-electric-blanket-fitted-heated-winter-underlay-washable-quen-in-white&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">Royal Comfort Fleece Top Electric Blanket Fitted Heated Winter Underlay Washable Queen</a>, $359, Myer</h4> <a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.myer.com.au%2Fp%2Froyal-comfort-royal-comfort-flece-top-electric-blanket-fitted-heated-winter-underlay-washable-quen-in-white&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener"><img src="https://oversixtydev.blob.core.windows.net/media/2023/05/7blanket.jpg" alt="" width="1280" height="687" /></a> This heated blanket is packed with fantastic features that will transform your bed into a cosy haven on those chilly nights. With ten different heat settings to choose from, you can easily find the perfect level of warmth. Plus, it comes with two detachable controllers, allowing you and your partner to customise your comfort independently. For peace of mind, it also includes an automatic shut-off function. It’s made from a luxurious 320GSM Fleece and 400GSM Polyester, which means this blanket offers both comfort and quality. <h3><a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.myer.com.au%2Fp%2Froyal-comfort-royal-comfort-flece-top-electric-blanket-fitted-heated-winter-underlay-washable-quen-in-white&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">Buy it here</a></h3> <h4>8. Best looking blanket!</h4> <h4><a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.myer.com.au%2Fp%2Fheritage-check-heated-throw&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">Heritage Check Heated Throw</a>, $49.85, was $99.95, Myers</h4> <a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.myer.com.au%2Fp%2Fheritage-check-heated-throw&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener"><img src="https://oversixtydev.blob.core.windows.net/media/2023/05/8blanket.jpg" alt="" width="1280" height="561" /></a> This Myer-exclusive electric blanket has a comforting checkered design that’s timeless in style, and it offers nine heat settings. Made from a luxurious 220 gsm fleece material, this electric blanket ensures a comfortable and snug sensation. Its plush fabric adds an extra layer of cosiness. The checkered pattern is featured solely on the front side, while the reverse side is a solid colour. <h3><a href="https://go.skimresources.com/?id=204849X1683982&xs=13&url=https%3A%2F%2Fwww.myer.com.au%2Fp%2Fheritage-check-heated-throw&xcust=sen_electric_heated_blankets" target="_blank" rel="noopener">Buy it here</a></h3> Are electric blankets safe? Electric blankets are considered safe to use, but you should still be regularly carrying out maintenance checks for any signs of wear and tear. And if you do notice any damage along the lines of frayed wires, holes, or exposed wires, discard immediately without use. Are electric blankets energy efficient? Electric blankets can be a convenient alternative to switching on your heating system. They typically consume between 100 to 150 watts, which makes them an energy-efficient solution for most people who want to stay warm during the colder months. Are electric blankets waterproof? Most electric blankets are machine washable when you disconnect the controllers. However, it's crucial that you keep the power switched off and the remote disconnected until the blanket is bone dry. And for precautionary reasons, avoid using the heat setting to quicken the drying process. Editor's note: When you buy something using the retail links in our stories, Over60 may earn a small commission. We do not accept money for editorial reviews, and we only write about products we feel comfortable recommending to our readers. Thank you. Images, Top: Amin Hasani on Unsplash. All others: Supplied

Home & Garden

Want an easy $400 a year? Ditch the gas heater in your home for an electric split system

Earlier this month, regulators <a href="https://theconversation.com/why-are-electricity-prices-going-up-again-and-will-it-ever-end-201869">flagged</a> power price rises in Queensland, New South Wales, Victoria and South Australia. Like many people, you’re probably wondering how you can minimise the financial pain. Getting rid of gas and electrifying everything in your home can save you money. <a href="https://renew.org.au/wp-content/uploads/2022/11/Report-Limiting-energy-bills-by-getting-off-gas.pdf">Modelling</a> by not-for-profit organisation Renew showed annual bills last year for a <a href="https://www.nathers.gov.au/owners-and-builders/home-energy-star-ratings">seven-star</a> all-electric home with solar power were between 69% (Western Sydney) and 83% (Hobart) cheaper than bills for a three-star home with gas appliances and no solar. There are other reasons to kick the gas habit, too. As renewables form an ever-growing part of Australia’s energy mix, electrifying the home increasingly helps tackle climate change. What’s more, there are sound <a href="https://www.unsw.edu.au/news/2023/02/a-heated-debate--how-safe-are-gas-stoves--">health</a> reasons to get rid of gas appliances. But where do you start? And how do you get the best bang for your buck? Here, I offer a few tips. <h2>A quick guide to home energy use</h2> Australian home energy use can be separated into a few categories: <ul> <li>space heating and cooling</li> <li>water heating</li> <li>cooking</li> <li>vehicles </li> <li>other appliances (many of which are largely already electric). </li> </ul> Of the appliances that typically depend on gas, the <a href="https://www.rewiringaustralia.org/report/castles-and-cars-discussion-paper">largest component</a> (37%) is space heating, followed by hot water (24%) and cooking (6%). This varies between states. Victoria, for example, is particularly dependent on gas. But the breakdown above gives some insight into the largest contributors to energy costs in the average Australian home – particularly in the cooler southern regions. While both gas and electricity costs are rising, as they are now in most states, all-electric homes can expect lower overall increases. <a href="https://renew.org.au/wp-content/uploads/2022/11/Report-Limiting-energy-bills-by-getting-off-gas.pdf">Analysis</a> by Renew has shown ditching the old gas heater in favour of a split system/reverse cycle air-conditioner (without solar panels) can lead to average savings of A$546 each year in Canberra, $440 in Adelaide, $409 in Melbourne and $256 in Perth. Heating a space with a reverse-cycle air conditioner is about four times more efficient than using natural gas. And when the electricity is generated by renewables, it can be done with zero greenhouse gas emissions. And what about heating water? Using the existing electricity grid, the cost of using an electric heat pump is around half that of using a natural gas water heater. The costs fall even lower if a household shifts to solar panels subsidised or financed by government, backed by a home battery providing the energy. In this case, heating costs are around a third of using gas. <h2>So what’s the payback?</h2> Buying new appliances costs money. So it’s important to examine the “payback” period - in other words, the length of time it takes for energy bill savings to equal the cost of the initial investment in a new appliance. The payback period can vary depending on: <ul> <li>cost and quality of the appliance</li> <li>an appliance’s energy rating</li> <li>size of the system</li> <li>for space heating, whether a split system is replacing an existing ducted system or being added on externally.</li> </ul> A <a href="https://www.climatecouncil.org.au/wp-content/uploads/2022/10/CC_MVSA0323-CC-Report-Gas-vs-Electricity_V4-Single.pdf">report</a> last year by the Climate Council calculated the approximate cost differences between higher and lower-end electric appliances. Lower-end hot water heat pumps, reverse-cycle air conditioner and induction stoves were priced around $7,818 all together, while higher-end appliances cost around $14,936 together. Both scenarios included installation costs and $3,000 for electrical upgrades and other costs. The payback period for low-priced appliances ranged from five years in Hobart and Canberra to 15 years in Perth and Sydney. Higher-priced appliances were in the order of eight to ten years for most cities and 12, 16 and 19 years for Melbourne, Perth and Sydney respectively. Rolled out at scale, household electrification is also a feasible way to reduce gas demand. It may be the only practical option available to decarbonise residential energy. As research <a href="https://www.sciencedirect.com/science/article/pii/S0196890422013802#b0130">recently suggested</a>, so-called “green” hydrogen – made by using low-carbon electricity to split water into hydrogen and oxygen – is unlikely to emerge as a cheap replacement for gas boilers. And why look for a technological solution to a problem we already know how to solve? Modelling by <a href="https://environmentvictoria.org.au/wp-content/uploads/2020/06/Vic-Gas-Market-Demand-Side-Study-Final-Report-1.pdf">Environment Victoria</a> has shown installing heat pumps for heating and cooling would reduce statewide gas use by 48 petajoules a year, compared to the relatively minimal 0.5 petajoules saved by installing induction cooktops. At the same scale – and using a similar technology – replacing gas hot water with heat pump hot water reduces household gas use by 10 petajoules each year. That’s an enormous saving of gas. <h2>The bigger picture for all-electric homes</h2> Existing homes can benefit from a combination of electrification, rooftop solar and batteries. They can also benefit from energy efficiency measures such as installing insulation, stopping draughts, closing off rooms and wearing the right clothing for the season. We can work together to speed up the transition to renewable energy and reduce the demand for gas. Image credits: Getty Images This article originally appeared on <a href="https://theconversation.com/want-an-easy-400-a-year-ditch-the-gas-heater-in-your-home-for-an-electric-split-system-201941" target="_blank" rel="noopener">The Conversation</a>.

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Explainer: Why are electricity prices expected to rise, yet again?

<div> <div class="copy"> Households in three states could be facing electricity price increases of up to 23.7% from July following a report from the Australian Energy Regulator. The increase will affect customers on standard power plans, known as the “default market offer” in South Australia, New South Wales and south-east Queensland. Small businesses could be facing price increases of between 14.7% to 25.7% depending on their location. The default market offer represents the maximum price is an electricity retailer can charge retail customers for their electricity in those states which have opted in to the system. There are around 540,000 household and 91,000 business customers in NSW, SA and Qld on the default market offer. In Victoria, an <a href="https://www.esc.vic.gov.au/electricity-and-gas/prices-tariffs-and-benchmarks/victorian-default-offer/victorian-default-offer-price-review-2023-24#toc--victorian-default-offer-2023-24-draft-decision" target="_blank" rel="noreferrer noopener">equivalent default offer</a> set by the Essential Services Commission is expected to rise by 31.1%. In Australia, energy is largely the domain of state and territory governments, and other states have different approaches. Price changes are likely to apply from 1 July 2023 to 30 June 2024. According to the Australian Energy Regulator, the <a href="https://www.aer.gov.au/news-release/default-market-offer-2023%E2%80%9324-draft-determination" target="_blank" rel="noreferrer noopener">largest factor driving the price increase</a> is the higher cost and volatility of generating electricity. In announcing the increase to the default market offer, AER Chair Clare Savage said the regulator carefully considered the need to protect consumers from unjustifiably high prices. “We know many households and businesses are already struggling with cost-of-living pressures. This is certainly a challenging environment for people to hear that further electricity price rises are on the horizon. “Energy prices are not immune from the significant challenges in the global economy right now; that’s why it’s more important than ever that we strike a balance in setting the [default market offer] to protect consumers as well as allowing retailers to continue to recover their costs and innovate. Energy Consumers Australia CEO Lynne Gallagher says the slated increases come “on top of double digit increases the previous year” and are a blow for consumers struggling with cost-of-living pressures. “These electricity price increases will hurt, heaping more pressure on household budgets and on small businesses,” she says. The default market offer represents a safety net for consumers, not the best price available. Savage and Gallagher both encouraged customers to <a href="https://www.energymadeeasy.gov.au/" target="_blank" rel="noreferrer noopener">look for a better deal from electricity retailers</a>. <h3>What does my electricity bill pay for? </h3> A <a href="https://www.accc.gov.au/regulated-infrastructure/energy/electricity-market-monitoring-inquiry-2018-25/november-2022-report" target="_blank" rel="noreferrer noopener">November 2022 report</a> by the Australian Competition and Consumer Commission says average household electricity costs comprise: <ul> <li>49% network costs (the poles and wires that deliver the electricity from power plants to consumers)</li> <li>28% wholesale costs (the cost of generating electricity from solar, wind, hydro, gas or coal-fired power stations)</li> <li>11% environmental costs</li> <li>10% retail costs</li> <li>2% electricity retailer profit margins.</li> </ul> These relative shares change over time. The Australian Energy Regulator says generation <a href="https://www.aer.gov.au/news-release/default-market-offer-2023%E2%80%9324-draft-determination" target="_blank" rel="noreferrer noopener">makes up around 30 – 40% of the price</a>, a larger share than the ACCC reports. <h3>Generation driving up costs now</h3> The cost of generating electricity – from solar, wind, gas or coal – is reflected in the wholesale energy cost. According to the energy regulator, wholesale price increases reflect higher prices for gas and coal, reliability issues with ageing coal-fired power stations and the expected closure of Liddell Power Station in NSW in April 2023. Some regional issues also affected prices, such as SA’s extreme weather in November. Energy economist Bruce Mountain is Director of the Victorian Energy Policy Centre. He says the volatile price of generating electricity is due to a range of factors. These include developments in Europe like the shift away from reliance on Russian gas which is increasing global demand for fossil fuels from other countries including Australia. Mountain says the combined demand from export contracts and local coal and gas use is higher than supply. Which is why when prices increase overseas, those higher international prices flow through into higher domestic prices. “We’ve got plentiful gas and coal, but we don’t have enough gas on our south and eastern seaboard to meet both domestic consumption and export demand,” he says. “And then on top of all of this coal and gas producers, power producers are profit-maximising. They will look for opportunities to take advantage of constraints to exercise market power.” While new renewable electricity are adding to supply, and reducing reliance on coal and gas, it’s not yet enough to counteract these effects. Mountain says the effects of higher coal and gas prices aren’t limited to fossil-fuel reliant states like Queensland, New South Wales and Victoria. Interstate connections mean electricity prices in renewable-dominated states like South Australia and Tasmania are influenced by market prices elsewhere. <h3>In the future, transmission </h3> Getting off fossil fuels might ultimately reduce generation costs and exposure to international prices for coal and gas. But Mountain expects current proposals for new major transmission lines (<a href="https://aemo.com.au/en/energy-systems/major-publications/integrated-system-plan-isp" target="_blank" rel="noreferrer noopener">connecting to new Renewable Energy Zones</a>) will “cost a fortune”, and factor in to future prices. He doesn’t believe the Integrated System Plan outlined by the Australian Energy Market Operator – involving a complete redesign of electricity infrastructure – will actually be fully implemented. “It’s of such huge magnitude, and it will have such massive implications for the environment and for landowners. I cannot imagine it’s going to be built.” Mountain says he thinks this could delay the transition to renewable energy. He says, a better, more achievable approach would be to maximise wind and solar resources as close to existing demand as possible minimising the need to build enormous transmission lines. Image credits: Getty Images </div> <div id="contributors"> This article was originally published on <a href="https://cosmosmagazine.com/technology/explainer-why-are-electricity-prices-expected-to-rise-yet-again/" target="_blank" rel="noopener">cosmosmagazine.com</a> and was written by Petra Stock. </div> </div>

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Why are electricity prices going up again, and will it ever end?

Households and businesses are set for more hip-pocket pain after regulators on Wednesday released draft details of electricity price rises in four Australian states. The Australian Energy Regulator <a href="https://www.aer.gov.au/news-release/default-market-offer-2023%E2%80%9324-draft-determination">revealed</a> residential customers on standard plans should brace for price increases of up to 24% in the next financial year. The price rises apply to households in Queensland, New South Wales and South Australia. The Victorian regulator <a href="https://www.esc.vic.gov.au/media-centre/victorian-default-offer-2023-24-draft-decision">also flagged</a> an electricity price hike of up to 30% in that state. It’s another blow in an already difficult financial situation for many, as interest rates continue to rise and inflation soars. Consumers are justified in asking: why is this happening? And is there an end in sight? <h2>The basics, explained</h2> The regulator released a draft of what’s known as the “default market offer”. It’s basically the maximum amount energy retailers can charge customers on default energy plans. So what’s a default energy plan? It’s the standard plan you’re on if you didn’t negotiate a special deal with your energy retailer, or if a deal you were on has expired. According to the ABC, <a href="https://www.abc.net.au/news/2023-03-15/australian-energy-regulator-default-market-offer/102094290">around one million</a> electricity customers in the four states mentioned above are on default market offers. Many consumers are on default plans because they don’t have the time or inclination to engage with their electricity retailer to negotiate a better deal. Others, quite understandably, find the whole process too confusing to navigate. That’s why default market offers were introduced. Both the federal and Victorian policies were developed <a href="https://www.esc.vic.gov.au/electricity-and-gas/inquiries-studies-and-reviews/electricity-and-gas-retail-markets-review-implementation-2018">after</a> <a href="https://www.accc.gov.au/media-release/accc-releases-blueprint-to-reduce-electricity-prices">reviews</a> found competition in retail electricity markets was not leading to lower prices for households or small businesses. The Victorian default offer began <a href="https://www.esc.vic.gov.au/electricity-and-gas/inquiries-studies-and-reviews/electricity-and-gas-retail-markets-review-implementation-2018">in 2019</a>. The federal measure <a href="https://www.aer.gov.au/retail-markets/guidelines-reviews/default-market-offer-prices-2023%E2%80%9324">was applied</a> <a href="https://www.aer.gov.au/retail-markets/guidelines-reviews/default-market-offer-prices-2020%E2%80%9321">in 2020</a>. The regulators release a draft determination ahead of a final decision, expected soon. <h2>So why the price hike?</h2> Your electricity bill comprises several different charges. The biggest ones are: - wholesale energy costs: the price generators such as coal and gas plants charge your retailer for the electricity delivered to you - network costs: the price charged by companies that own the “poles and wires” – transmission lines, transformers, electricity poles and the like – needed to get the electricity to your home - retail costs: the total amount needed by an electricity retailer to operate – such as issuing bills, providing customer service, marketing themselves – as well as to make a reasonable profit. Regulators calculate the default market offer by considering each of these price components. The increased default market offers are mostly due to increases in wholesale prices. Wholesale prices increased in recent months almost entirely as a result of sanctions imposed on Russia following its invasion of Ukraine. It led to a global shortage of natural gas. This was exacerbated when Russia <a href="https://www.bloomberg.com/news/articles/2022-05-31/russia-to-cut-gas-exports-to-shell-orsted-over-rubles-dispute">withdrew gas</a> supplies from the European market. Even though the energy shocks were happening half a world away from Australia, it affected domestic gas prices here. Why? Because most of Australia’s east coast gas is exported, which means its price is largely determined by the global price. This could have been avoided if the federal government has a mechanism to keep some of that gas for the domestic market – in other words, if it had a so-called “gas reservation policy”. But the current and previous governments have <a href="https://www.smh.com.au/business/companies/it-s-ridiculous-architect-of-wa-policy-calls-for-national-gas-reservation-20220616-p5au8q.html">refused</a> to implement this. The federal regulator said the planned retirement of AGL’s ageing Liddell coal-fired power station in the NSW Hunter Valley contributed to its decision. Liddell is one of the biggest coal-fired generators in the national electricity market, and the closure is likely to lead to a short-term tightening of supplies. Another factor affecting the regulators’ decision relates to a strategy electricity retailers use to protect themselves against volatile wholesale prices in future. The strategy, known as hedge contracts, <a href="https://www.aemc.gov.au/energy-system/electricity/electricity-market/spot-and-contract-markets">fixes the wholesale price</a> retailers pay for electricity over a long period – up to several years. The price set in hedge contracts struck over the past year or so was influenced by Australia’s <a href="https://onlinelibrary.wiley.com/doi/full/10.1111/1467-8462.12492">domestic gas crisis</a> in 2022, which caused massive rises in wholesale electricity prices. <h2>What to expect down the track</h2> Australian Energy Regulator chair Clare Savage on Wednesday said the price increases <a href="https://www.abc.net.au/news/2023-03-15/australian-energy-regulator-default-market-offer/102094290">could have been much higher</a>, if not for intervention by the Albanese government late last year to cap prices in Australia’s gas and coal markets. Climate Change and Energy Minister Chris Bowen says those price caps have saved households between A$268 and $530. The caps are likely to cause further falls in the default market offer in coming years. But the policy appears to be only an interim measure until the global supply shortage eases. In the longer term, renewable energy offers a ray of hope. The federal government has set a target of 82% renewable electricity by 2030. But of course, a few significant <a href="https://www.climatecouncil.org.au/understanding-whats-next-for-australias-main-electricity-market/">complementary measures</a> – such as more investment in transmission networks and energy storage – are needed. This investment would support the transition to a zero-emissions electricity sector. Importantly, it would also insulate long-suffering consumers from volatile fossil fuel prices. Image credits: Getty Images This article originally appeared on <a href="https://theconversation.com/why-are-electricity-prices-going-up-again-and-will-it-ever-end-201869" target="_blank" rel="noopener">The Conversation</a>.

Home Hints & Tips

Cheaper gas and electricity are within our grasp

Virtually every country in the world is facing a crisis in energy costs, yet while other countries can’t do much about it, Australia can. Australia could get its east coast gas producers to supply the domestic gas market for less than A$10 a gigajoule. Earlier this year, prices were more than $40 a gigajoule, and now sit at $25-30 a gigajoule. Tuesday’s budget factored in retail electricity price rises of <a href="https://images.theconversation.com/files/492030/original/file-20221027-18797-tg4woh.JPG">more than 50%</a> over two years. The increases in retail gas prices exceeded 40%. Outlining the budget on Tuesday, Treasurer Jim Chalmers said any responsible government facing these kinds of price hikes needed to “consider a <a href="https://ministers.treasury.gov.au/ministers/jim-chalmers-2022/transcripts/joint-press-conference-main-committee-room-parliament-house">broader suite of regulatory interventions</a>” than in the past. Chalmers had “more work to do” and would work with the states. Here is the key step I think should be taken. To restrain electricity prices, cut gas prices The quickest way to get electricity prices down is to significantly lower the cost of gas. Gas generators come online after cheaper forms of generation have already been pressed into service, and so help set the final price charged. Getting gas prices below $10 a gigajoule would also help households that are facing crippling gas bills, as well as industries that rely on sensibly priced energy for their existence including Australia’s glass, paper and fertiliser industries. Once those industries close, they are unlikely to return. Here’s what’s been done so far. The Turnbull, Morrison and recently the Albanese governments have each reached agreements with the three liquid natural gas producers operating out of Gladstone in Queensland that together control around 90% of east coast reserves. ‘Sufficient supply’ isn’t affordable supply The agreements require the supply of sufficient gas to meet the needs of east coast gas consumers. For a while they worked to reduce then-high domestic prices to sensible levels, because international prices were low. But now international prices have climbed to multiples of usual levels, agreements to supply without specific reference to prices are no longer enough. An agreement to supply “sufficient” quantities of gas at $25-40 per gigajoule is an agreement to not supply much. After industries close, supply will be “sufficient” for the remaining users who can afford it, but it won’t be what we want. We need to get the east coast liquefied natural gas (LNG) producers to supply sufficient gas to the east coast at prices below $10 a gigajoule. They would continue to make a profit at those prices, albeit much less than otherwise. As it happens, the Commonwealth has the power to get such commitments, because it has the power to stop exports. That power gives it complete leverage. We need to be clear on two points. First, there is no suggestion here that the LNG producers’ long-term contracts are at risk. Asian buyers need not be concerned. All three LNG projects were underwritten by long-term contracts at fixed prices. What we are talking about is the gas the three producers have available beyond their need to service these long contracts. This gas can either be exported to the spot, or short-term, market at very high prices or sold domestically. They should be told they can only export gas to the currently lucrative international spot market if they sell sufficient gas domestically to get prices clearly below $10 a gigajoule. Other exporters reserve gas Second, what I am suggesting is akin to what all other gas exporting countries do. Australia has by far the highest domestic gas prices of any gas exporting country. No other country would tolerate its gas being exported while its domestic market is paying the same high prices as international customers. The gas companies need to come to the party, either to earn their “licence to operate” or to avoid the threat of export controls. If they know the threat of export controls is real, I believe they will do what’s necessary without the need to actually control exports. A final point: there can be no argument about “<a href="https://sersolutions.com.au/what-is-sovereign-risk-and-how-does-it-affect-australia/">sovereign risk</a>”, the idea that foreign companies will no longer do business with Australia if it changes the rules. The long-term gas exporting contracts would remain intact. Australia would simply be aligning itself with all other gas exporting nations – and, by the way, with <a href="https://www.wa.gov.au/government/publications/wa-domestic-gas-policy">Western Australia</a>, which has long looked after its residents and businesses by reserving gas to ensure reasonable domestic prices.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/193388/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> Writen by Rod Sims. Republished with permission from <a href="https://theconversation.com/cheaper-gas-and-electricity-are-within-our-grasp-heres-what-to-do-193388" target="_blank" rel="noopener">The Conversation</a>. Image: Getty Images

Money & Banking

Energy companies warn of further jump in power bills

Energy company bosses have warned cost of living pressures will increase, with power bills set to soar by 35 percent by next year. "Next year, using the current market prices, tariffs are going up a minimum 35 percent," Alinta Energy chief executive Jeff Dimery told The Australian Financial Review's Energy & Climate Summit. The summit was told that tight supply issues and Russia's invasion of Ukraine have put pressure on wholesale prices and international commodity markets. The early closure of coal-fired power stations is also creating a rocky transition to renewable energy, bumping up power bills. Under the predicted 35 percent rise by 2023, the average quarterly power bill in South Australia would be $514, in New South Wales $480 and for Victorian consumers $430. This predicted rise is another blow to Aussies struggling with cost of living pressures, after there was an increase of up to 18 per cent in household tariffs on July 1st. The winter prices were increased due to the war in Ukraine, and the resounding pressure on the global energy market. Climate Change and Energy Minister Chris Bowen told the conference that transitioning to renewables remains the best way of bringing down power costs and household bills. Labor pledged its policies would result in power prices falling by 2025 during this year's federal election campaign. Image credits: Getty Images

Money & Banking

Producing electricity from your sweat might be key to next wearable technology

Imagine a world where the smart watch on your wrist never ran out of charge, because it used your sweat to power itself. It sounds like science fiction but researchers have figured out how to engineer a <a href="https://cosmosmagazine.com/science/biology/bacterial-biofilm/" target="_blank" rel="noreferrer noopener">bacterial biofilm</a> to be able to produce continuous <a href="https://cosmosmagazine.com/science/electricity-from-sweaty-fingertips/">electricity fr</a><a href="https://cosmosmagazine.com/science/electricity-from-sweaty-fingertips/" target="_blank" rel="noreferrer noopener">o</a><a href="https://cosmosmagazine.com/science/electricity-from-sweaty-fingertips/">m perspiration</a>. They can harvest energy in evaporation and convert it to electricity which could revolutionise wearable electronic devices from personal medical sensors to electronics. The science is in a <a href="https://www.nature.com/articles/s41467-022-32105-6#ref-CR7" target="_blank" rel="noreferrer noopener">new study</a> published in Nature Communications. “The limiting factor of wearable electronics has always been the power supply,” says senior author Jun Yoa, professor of electrical and computer engineering at the University of Massachusetts Amherst (UMass), in the US. “Batteries run down and have to be changed or charged. They are also bulky, heavy, and uncomfortable.” But the surface of our skin is constantly moist with sweat, so a small, thin, clear and flexible biofilm worn like a Band-Aid could provide a much more convenient alternative. The biofilm is made up of a sheet of bacterial cells approximately 40 micrometres thick or about the thickness of a sheet of paper. It’s made up a genetically engineered version of the bacteria Geobacter sulfurreducens to be exact. G. sulfurreducens is a microorganism known to <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3209890/#:~:text=Interestingly%2C%20Geobacter%20sulfurreducens%20also%20called,electron%20transfer%20through%20the%20biofilms." target="_blank" rel="noreferrer noopener">produce electricity</a> and has been used previously in “<a href="https://www.nature.com/articles/s41579-019-0173-x" target="_blank" rel="noreferrer noopener">microbial fuel cells</a>”. These require the bacteria to be alive, necessitating proper care and constant feeding, but this new biofilm can work continuously because the bacteria are already dead. “It’s much more efficient,” says senior author Derek Lovley, distinguished professor of Microbiology at UMass Amherst. “We’ve simplified the process of generating electricity by radically cutting back on the amount of processing needed. “We sustainably grow the cells in a biofilm, and then use that agglomeration of cells. This cuts the energy inputs, makes everything simpler and widens the potential applications.” The process relies on evaporation-based electricity production – the <a href="https://www.nature.com/articles/s41565-018-0228-6" target="_blank" rel="noreferrer noopener">hydrovoltaic effect</a>. Water flow is driven by evaporation between the solid biofilm and the liquid water, which drives the transport of electrical charges to generate an electrical current. G. sulfurreducens colonies are grown in thin mats which are harvested and then have small circuits etched into them using a laser. Then they are sandwiched between mesh electrodes and finally sealed in a soft, sticky, breathable polymer which can be applied directly onto the skin without irritation. Initially, the researchers tested it by placing the device directly on a water surface, which produced approximately 0.45 volts of electricity continuously. When worn on sweaty skin it produced power for 18 hours, and even non-sweating skin generated a substantial electric output – indicating that the continuous low-level secretion of moisture from the skin is enough to drive the effect. “Our next step is to increase the size of our films to power more sophisticated skin-wearable electronics,” concludes Yao. The team aim to one day be able to power not only single devices, but entire electronic systems, using this biofilm. And because microorganisms can be mass produced with renewable feedstocks, it’s an exciting alternative for producing renewable materials for clean energy powered devices.  <img id="cosmos-post-tracker" style="opacity: 0; height: 1px!important; width: 1px!important; border: 0!important; position: absolute!important; z-index: -1!important;" src="https://syndication.cosmosmagazine.com/?id=200509&title=Producing+electricity+from+your+sweat+might+be+key+to+next+wearable+technology" width="1" height="1" />  <div id="contributors"> <a href="https://cosmosmagazine.com/technology/electricity-from-sweat-biofilm/" target="_blank" rel="noopener">This article</a> was originally published on <a href="https://cosmosmagazine.com" target="_blank" rel="noopener">Cosmos Magazine</a> and was written by <a href="https://cosmosmagazine.com/contributor/imma-perfetto" target="_blank" rel="noopener">Imma Perfetto</a>. Imma Perfetto is a science writer at Cosmos. She has a Bachelor of Science with Honours in Science Communication from the University of Adelaide. Image: Liu et al., doi.org/10.1038/s41467-022-32105-6 </div>

Technology

Grandad says power company is to blame for wife leaving him

A 55-year-old man has blamed hefty power bills for the breakdown of his marriage. Grandfather Bryn Lawson has been in an ongoing battle with his energy provider, AGL, over bills that Mr Lawson claims are incorrect. The Western Sydney resident has accused AGL of using incorrect power meter numbers at his home, with his latest bill coming in at more than $1200. In attempt to lower his bills, Mr Lawson has tried to drastically reduce his electricity usage, even going so far as to get rid of his fridge. “It is a part of the decimation of my marriage to my wife of 35 years,” he told <a href="https://9now.nine.com.au/a-current-affair/power-bills-dispute-agl/42ed3aaa-4e9b-4f34-820d-02160a9130a7" target="_blank" rel="noopener">A Current Affair</a>. “Because I’d come home and the lights would be on, the power would be on and the power bills are high. I’d be saying, ‘What have you got the lights on for, what’s this on for, why’s the heater on’?” However, even after his wife left, Mr Lawson was the only occupant of the home and his power bills still remained high, ranging anywhere from $900 to $1200. AGL has apologised to him for the issue and offered credit, but the mistakes keep happening. “Fix it AGL. Get your s*it together and fix it mate,” an enraged Mr Lawson said. He also shivers at night through cold temperatures because he does not want to use his heater to further drive up his bills. Mr Lawson, who said he was “sick to his stomach” and “scared” of his electricity bills, is ready to cut the power off. “I'm just banging my head up against a brick wall with these guys,” he said. “All I’m gonna get is a bad debt and a big bill I gotta pay off. “I have no problem at all putting my swag out there, putting my solar panels, my battery and running that fridge out there and living out there.” Mr Lawson has taken matters into his own hands by taking a picture of his power meter every month and sending the information to AGL three days before his bill is due, but he is still being overcharged just a few days later. An AGL spokesperson told A Current Affair the company had apologised to Mr Lawson for his experiences and would work with him to resolve his concerns. Image credits: A Current Affair

Relationships

Woman “harassed” over previous tenant’s 78 cent bill

A furious Sydney has slammed energy provider Dodo for “harassing” her over an unpaid energy bill belonging to the previous tenant. Since moving into her new rental apartment just two months ago, she has received several urgent notices concerning the “outrageous debt” of just 78 cents. “Who the f*** is running this company?” she wrote in a fuming post to Facebook on Friday, answering her own question, “A pack of f**kin dodos”. “I’ve been in this apartment two months, this is the third – that’s THREE – letter of demand for the outrageous debt of 78 cents owed by the former tenant,” she wrote. The woman then speculated that it cost the energy provider more than the amount owing on the bill to send the letters in the first place. “It’s cost them a sh**tonne more than that in postal costs, let alone the wages of the person I gave an ear bashing to,” she wrote, instructing the company to “bog off”. She then included a photo of the bill in question, which read, “This notice is to advise you that your final electricity amount remains unpaid and is overdue, as a result of your Pay on Time discount has been removed and the total amount of $00.78 is now overdue.” The company’s persistence caused many online to react in a similar way to the recipient of the letter, with many in disbelief at why they don’t just let it go. The woman clarified in a comment she called Dodo after receiving the invoice for a second time, but it seemed her effort had been wasted. “I have called them after the second letter to inform them the dude was no longer living here. They wanted to know my name … and eventually said they’d fix it up,” she wrote. “Maybe they thought they’d give it one last go – after all, it’s the princely sum of 78 cents at stake! Next time I will demand a recompense.” Image credits: Facebook

Real Estate

Heat yourself, not your house: how to survive winter with a 15℃ indoor temperature

How high should you put the heating up over winter? If you don’t mind the bills and ecological impact, you have the encouragement of the World Health Organization to keep the house warm. They recommend an indoor temperature of <a href="https://apps.who.int/iris/bitstream/handle/10665/275839/WHO-CED-PHE-18.03-eng.pdf" target="_blank" rel="noopener">at least 18°</a>, declaring that you face health risks at lower temperatures. This advice is echoed by the <a href="https://www.energy.gov.au/households/household-guides/seasonal-advice/winter" target="_blank" rel="noopener">Australian government</a>. The tone of <a href="https://www.ncbi.nlm.nih.gov/books/NBK535294" target="_blank" rel="noopener">some reports</a> is monitory and severe. Based on these instructions, anyone would feel a reflex to bump up the thermostat. But before you brace for the bill-shock amid soaring energy prices, consider a different approach. Some people cope positively with the freeze and others face deep winter with panic. Given the range of psychological responses, I can only imagine there would be a difference in how people’s health would fare. If I’m full of dread at the prospect of feeling chilly, this stress could aggravate existing health issues. It is entirely possible to avoid heating your entire house to 18℃ to stay warm. If you view your cold house as a project, you can take pleasure in the power of staying warm in your modern cave, while remembering that we evolved to withstand the cold with fewer options than we have today. Staying warm in a cold house Over the last couple of winters, I’ve discovered many strategies for comfortable living at lower room temperatures. To add to traditional methods such as multiple layers of clothing and physical activity, there are now excellent appliances to fend off the chill. Personal heating devices have become rightly popular, such as electrical heated throw rugs to <a href="https://www.jstor.org/stable/90022948" target="_blank" rel="noopener">warm your clothing</a> rather than ambient air. These new devices – think a more flexible electric blanket – are extremely efficient. Canberra energy efficiency enthusiast David Southgate found using these devices rather than heating the air <a href="https://southgateaviation.files.wordpress.com/2020/02/2019-annual-report-v2.pdf" target="_blank" rel="noopener">cut his heating bill</a> by 95%. <figure class="align-center zoomable"><a href="https://images.theconversation.com/files/472222/original/file-20220704-18-sz6rcn.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=1000&fit=clip"><img src="https://images.theconversation.com/files/472222/original/file-20220704-18-sz6rcn.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/472222/original/file-20220704-18-sz6rcn.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=600&h=401&fit=crop&dpr=1 600w, https://images.theconversation.com/files/472222/original/file-20220704-18-sz6rcn.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=401&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/472222/original/file-20220704-18-sz6rcn.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=401&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/472222/original/file-20220704-18-sz6rcn.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=503&fit=crop&dpr=1 754w, https://images.theconversation.com/files/472222/original/file-20220704-18-sz6rcn.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=503&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/472222/original/file-20220704-18-sz6rcn.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=503&fit=crop&dpr=3 2262w" alt="electric throw" /></a><figcaption>Electric throw rugs and other personal heating devices are gaining popularity. Shutterstock</figcaption></figure> Personally, I have found adequate clothing makes a temperature of 15℃ acceptable. In fact, dressing warmly poses more risk of overheating with low levels of activity. It’s satisfying to create your own warmth rather than rely on artificially supplied warmth. You start to notice thermodynamic properties of clothing that you’d never appreciate by relying on a thermostat. If you wear a hooded gown, you’ll find not only that your ears are warm from being covered, but your uncovered face becomes flushed. That’s because warmth generated by your body wafts upward to escape through the aperture of the hood. As a result, the air that you breathe is also warm. When it comes to clothing, we can equate warmth simply with insulation. In turn, we assess the insulating qualities of textiles with their thickness or <a href="https://www.abc.net.au/everyday/warmest-materials-fabrics-winter-clothing/101155486" target="_blank" rel="noopener">air-trapping abilities</a>. We often tend to overlook the design of the clothing, which plays a key role in funnelling body warmth to exposed skin. The archetype of the hood was known two millennia before thermostats in both Greece (the garments μαφόρτης and κάλυμμα) and Rome (the garments cucullus, lacerna and tunica palliolata). They’re just as effective today. Wearing a cowl won’t warm up your hands; but if the rest of you is warm – especially your feet – your exposed hands will benefit by the circulation. For anyone unconvinced by this assurance, fingerless gloves are a backstop. The way medical science has catastrophised indoor temperatures lower than 18℃ wouldn’t be so bad if it were only incurious and unimaginative. Alas, there are alarming ecological consequences of a population believing that they’ll automatically get sick in the cold. Carbon emissions from domestic heating are significant. You get a picture from gas bills in Queensland, which go up 1.4 times from summer to winter. In colder states, the figure is <a href="https://www.energycouncil.com.au/analysis/winter-energy-bills-avoid-a-shock" target="_blank" rel="noopener">much higher</a>: 3.5 times in Victoria and 5.2 times in nippy Tasmania. We have to scrutinise if we really need our thermostats pegged at 18℃. Before we accept recommendations on indoor temperatures by medical authorities, we need to know if the science has grappled with different experiences of cold. Future research must distinguish between people in a cool room who feel cold and miserable or feel protected against cold by a range of practical measures. Understanding the effect of these variables is urgent, because current authoritative guidance pushes us into heating our houses more than we have to. For most of the world, that means burning fossil fuel.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/185587/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/robert-nelson-1355694" target="_blank" rel="noopener">Robert Nelson</a>, Honorary Principal Fellow, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722" target="_blank" rel="noopener">The University of Melbourne</a> This article is republished from <a href="https://theconversation.com" target="_blank" rel="noopener">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/heat-yourself-not-your-house-how-to-survive-winter-with-a-15-indoor-temperature-185587" target="_blank" rel="noopener">original article</a>. Image: Getty Images

Home Hints & Tips

How to get out of the energy crisis, according to top technology experts

Low-emissions technology and renewable energy are the way out of the current energy crisis, according to the Australian Academy of Technology and Engineering. In its <a href="https://www.atse.org.au/news-and-events/article/here-and-now-the-state-of-low-emissions-technology-in-australia" target="_blank" rel="noreferrer noopener">new report</a> on the state of low-emissions technology, the academy emphasises that existing renewable energy sources – like solar, wind, batteries and pumped hydro – are mature technologies which will provide cheaper and more reliable energy in the long term. While they’re already a big part of our energy mix, it’s going to take more work before they’re dominant. According to the academy, Australia needs more policy, big infrastructure investments, and broad social support to transition completely to these technologies. “By deploying clean energy on the huge scale required to replace fossil fuels, we can eliminate nearly three quarters of global emissions and enhance global energy security,” says academy fellow Katherine Woodthorpe, former director of the Australian Renewable Energy Agency (ARENA) and Vast Solar. “In Australia, it will also lead to cheaper and more reliable supplier pricing for onshore manufacturers as well as a potentially exportable resource.” Professor Renate Egan, research leader for the University of New South Wales at the Australian Centre for Advanced Photovoltaics says: “Australia-wide, we already get 32% of our electricity from renewables. And that’s actually doubled in five years. “We need that to double again. We can do it possibly in five years, but at least in 10 years.” At the centre of the transition lies our <a href="https://www.atse.org.au/news-and-events/article/here-and-now-the-state-of-low-emissions-technology-in-australia" target="_blank" rel="noreferrer noopener">energy grid</a>. Formerly something that ran off a handful of big energy producers, the grid is becoming more and more complicated with the addition of smaller and more diverse energy sources – from rooftop solar, to large batteries and offshore wind farms. <figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"> <div class="wp-block-embed__wrapper"> <div class="entry-content-asset"> <div class="embed-wrapper"> <div class="inner"><iframe title="Cosmos Shorts: What is the grid?" src="https://www.youtube.com/embed/KmCXCXa5loA?feature=oembed" width="500" height="281" frameborder="0" allowfullscreen="allowfullscreen"></iframe></div> </div> </div> </div> </figure> Egan refers to the modernising grid as an “internet of energy”. “With [energy] being generated in all different places and flowing in all different directions, we really need better monitoring, measuring and analysis of what’s going on, to allow us to make smart decisions,” says Egan. Fortunately, the technology now exists to manage this change too. “You’ll need smart sensors deployed pretty much everywhere producing a huge volume of data, with smart software to analyse and make use of that data,” says academy fellow George Maltabarow, the former managing director of Ausgrid. Academy fellow Professor Lachlan Blackhall, head of the battery storage and grid integration program at the Australian National University says: “This trend of distributed energy resources is actually happening globally. <div class="newsletter-box"> <div id="wpcf7-f6-p197575-o1" class="wpcf7" dir="ltr" lang="en-US" role="form"> <form class="wpcf7-form mailchimp-ext-0.5.62 spai-bg-prepared init" action="/technology/energy-crisis-escape-transition/#wpcf7-f6-p197575-o1" method="post" novalidate="novalidate" data-status="init"> <input class="wpcf7-form-control wpcf7-text referer-page spai-bg-prepared" name="referer-page" type="hidden" value="https://cosmosmagazine.com/technology/" data-value="https://cosmosmagazine.com/technology/" aria-invalid="false" /> </form> </div> </div> “We’re seeing a really significant increase in the decentralisation of all energy systems. But Australia is actually on track to have the most decentralised energy system of anywhere in the world.” Strengthening and diversifying the grid is particularly important, because electricity will be providing more of our energy in general. <figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"> <div class="wp-block-embed__wrapper"> <div class="entry-content-asset"> <div class="embed-wrapper"> <div class="inner"><iframe title="Cosmos Shorts: What could our future electricity grid look like?" src="https://www.youtube.com/embed/hGWw3gF7Z9k?feature=oembed" width="500" height="281" frameborder="0" allowfullscreen="allowfullscreen"></iframe></div> </div> </div> </div> </figure> Maltabarow says the transition away from fossil fuels “is going to require electrifying just about everything”. This transition includes household gas supplies – although gas power stations will <a href="https://cosmosmagazine.com/technology/gas-price-energy-crisis/" target="_blank" rel="noreferrer noopener">likely still have a small role to play</a> as a peak transition fuel for the next few decades. <a href="https://cosmosmagazine.com/technology/cosmos-briefing-electric-vehicles/" target="_blank" rel="noreferrer noopener">Electric vehicle</a> batteries could also provide some additional storage space for the grid to use. “We really do have all of the technology that we’re going to need, so it’s really important that we also focus on the social and the economic,” says Blackhall. “One of the key things that we do advocate for is actually an increase in the amount of social science research, in particular, that’s being done to actually go out and understand householder and community expectations and ensure that we have social licence for this very significant energy transition.” Social support is particularly important in the context of the current crisis, where energy prices are 115% higher than previous records, and <a href="https://cosmosmagazine.com/technology/aemo-energy-market-gas-crisi/" target="_blank" rel="noreferrer noopener">trading was temporarily suspended</a> by the Australian Energy Market Operator (AEMO). “The current crisis has been a decade in the making,” says Maltabarow. “In the short to medium term, prices are going to increase. The challenge is to make sure that increase is minimised to the extent that we can.” Academy fellow Alex Wonhas, a member of the NSW Energy Corporation’s advisory board and former head of engineering and system design at AEMO says Australia “has the technologies to avoid a future crisis”. “However, we must act now to lay the foundation of a truly modern energy system,” Wonhas says. “That requires investment in a whole mix of different technologies.”  <img id="cosmos-post-tracker" style="opacity: 0; height: 1px!important; width: 1px!important; border: 0!important; position: absolute!important; z-index: -1!important;" src="https://syndication.cosmosmagazine.com/?id=197575&title=How+to+get+out+of+the+energy+crisis%2C+according+to+top+technology+experts" width="1" height="1" />  <div id="contributors"> <a href="https://cosmosmagazine.com/technology/energy-crisis-escape-transition/" target="_blank" rel="noopener">This article</a> was originally published on <a href="https://cosmosmagazine.com" target="_blank" rel="noopener">Cosmos Magazine</a> and was written by <a href="https://cosmosmagazine.com/contributor/ellen-phiddian" target="_blank" rel="noopener">Ellen Phiddian</a>. Ellen Phiddian is a science journalist at Cosmos. She has a BSc (Honours) in chemistry and science communication, and an MSc in science communication, both from the Australian National University. Image: Getty Images </div>

Technology

Keen to retrofit your home to lower its carbon footprint and save energy? Consider these 3 things

If you’re anything like me, you’re increasingly <a href="https://www.abc.net.au/news/2021-09-16/work-from-home-productivity-commission-study/100465258" target="_blank" rel="noopener">working from home</a>, one that was built before energy efficiency measures were introduced in Australia. With temperatures along the east coast plunging and <a href="https://theconversation.com/why-did-gas-prices-go-from-10-a-gigajoule-to-800-a-gigajoule-an-expert-on-the-energy-crisis-engulfing-australia-184304" target="_blank" rel="noopener">power bills skyrocketing</a>, heating (and cooling) our homes is an energy intensive, expensive affair. Almost <a href="https://www.abc.net.au/news/2021-11-04/energy-efficiency-carbon-offset-homes-sharehouse-rentals/100590596" target="_blank" rel="noopener">8 million homes</a> across Australia lack sufficient insulation, use sub-par heating and cooling equipment, or are badly designed. Indeed, these 8 million pre-energy rated homes <a href="http://www.powerhousingaustralia.com.au/resources/" target="_blank" rel="noopener">account for 18% of Australia’s greenhouse gas emissions</a>. And <a href="https://theconversation.com/if-youre-renting-chances-are-your-home-is-cold-with-power-prices-soaring-heres-what-you-can-do-to-keep-warm-184472" target="_blank" rel="noopener">research finds</a> 26% of Australians across all housing types can’t stay warm at least half of the time during winter. Retrofitting this housing stock to be more energy efficient is essential to successfully meet Australia’s target of cutting emissions 43% by 2030, while finding comfort in our future of intensifying climate extremes. <blockquote class="twitter-tweet"> A take-away from the current energy supply squeeze: energy efficiency pays. Whether retrofit or new build, do it to high standards and reap the benefits. Also, we need proper minimum standards in buildings and fleet wide emissions standards for vehicles. — Frank Jotzo (@frankjotzo) <a href="https://twitter.com/frankjotzo/status/1536988473495736320?ref_src=twsrc%5Etfw">June 15, 2022</a></blockquote> My <a href="https://www.intechopen.com/chapters/79914" target="_blank" rel="noopener">research into net-zero emissions retrofitting</a> identifies three broad categories that must be considered when retrofitting existing homes to be more climate friendly: <ol> <li> <a href="https://multicomfort.saint-gobain.co.uk/recommended-level-of-light-into-a-building/" target="_blank" rel="noopener">visual comfort</a>: the sufficient quality, quantity and distribution of light </li> <li> <a href="http://www.greeneducationfoundation.org/green-building-program-sub/learn-about-green-building/1239-thermal-comfort.html" target="_blank" rel="noopener">thermal comfort</a>: determined by the temperature, humidity, air flow and a person’s physical condition </li> <li> energy consumption: the amount of energy we use, and the <a href="https://www.yourhome.gov.au/materials/embodied-energy" target="_blank" rel="noopener">energy used</a> in manufacturing, transporting, constructing, maintaining, and removal of materials to build our homes. </li> </ol> 1. Visual comfort It’s vital to understand how much sunlight the outside and interior of your home is exposed to. One can, accordingly, re-organise interior functions based on the demand for lighting, heating or cooling needs. During summer, spaces used often during the day, such as your home office, could benefit from being in places that receive less direct sunlight, so are cooler. In winter, consider moving your home office set up to a room with higher levels of direct sunlight, where it’s warmer. This will naturally reduce the amount of energy needed to cool or heat these rooms while allowing for comfortable working conditions. Other ways we can find more visual comfort include modifying the size of windows and skylights to let in more sunlight. To diffuse harsh lighting, consider <a href="https://www.geelongaustralia.com.au/common/public/documents/8d37431053e9065-Imap%202-1%20Sunshading.pdf" target="_blank" rel="noopener">adding screens, sun baffles, overhangs, or pergolas</a> over windows. You can also replace your lights with LEDs equipped with linear controllers and motion sensors in places where lights tend to be left on. <a href="https://www.energy.gov.au/households/lighting#:%7E:text=LEDs%20are%20better%20value%20for,bulbs%20ending%20up%20in%20landfill." target="_blank" rel="noopener">LEDs use around 75% less energy than halogen light bulbs</a>. <figure class="align-center zoomable"><a href="https://images.theconversation.com/files/469149/original/file-20220616-11-lzxmcp.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=1000&fit=clip"><img src="https://images.theconversation.com/files/469149/original/file-20220616-11-lzxmcp.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/469149/original/file-20220616-11-lzxmcp.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=600&h=400&fit=crop&dpr=1 600w, https://images.theconversation.com/files/469149/original/file-20220616-11-lzxmcp.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=400&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/469149/original/file-20220616-11-lzxmcp.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=400&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/469149/original/file-20220616-11-lzxmcp.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=503&fit=crop&dpr=1 754w, https://images.theconversation.com/files/469149/original/file-20220616-11-lzxmcp.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=503&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/469149/original/file-20220616-11-lzxmcp.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=503&fit=crop&dpr=3 2262w" alt="" /></a><figcaption>Moving your home office to rooms with more sunshine can help you save energy in winter. Unsplash, <a class="license" href="http://creativecommons.org/licenses/by/4.0/" target="_blank" rel="noopener">CC BY</a></figcaption></figure> 2. Thermal comfort Older Australian homes are <a href="https://blog.csiro.au/draught-proof-house/" target="_blank" rel="noopener">incredibly draughty</a>, and a lot of the energy we spend cooling or heating our homes escapes outside due to poor insulation. Retrofitting to improve your home’s natural ventilation can reduce the number of times you need to switch on the heater or air conditioner. <a href="https://www.greenbuilding.org.au/Articles/Sealing-Building-Envelope.htm" target="_blank" rel="noopener">Sealing outside and internal surfaces</a> until they’re airtight is crucial. <a href="https://build.com.au/how-improve-your-homes-insulation" target="_blank" rel="noopener">Different surfaces</a> – whether walls, floors or ceilings – require different methods, types and thicknesses of insulation. Walls, for instance, require a “blow-in” method. This can involve installing cellulose foam or <a href="https://build.com.au/glass-wool-insulation" target="_blank" rel="noopener">glasswool</a> (made from fibreglass) into the wall, via a <a href="https://build.com.au/wall-insulation" target="_blank" rel="noopener">small hole through the wall cavities</a> (for cellulose foam) or laying glasswool batts in wall cavities. Floors, on the other hand, can require insulation panels fitted between timber or steel supports or foam boards. <a href="https://zeroenergyproject.org/build/twelve-steps-affordable-zero-energy-home-construction-design/super-insulate-net-zero-building-envelope/" target="_blank" rel="noopener">Also important</a> is to choose materials and methods that maximise insulation while minimising thermal bridging. A <a href="https://blog.passivehouse-international.org/what-is-a-thermal-bridge/" target="_blank" rel="noopener">thermal bridge</a> is a weak point where heat is lost, such as wall intersections, connecting points of mounting brackets, and even penetration points of electric cables. <figure class="align-center zoomable"><a href="https://images.theconversation.com/files/469147/original/file-20220616-21-adexyd.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=1000&fit=clip"><img src="https://images.theconversation.com/files/469147/original/file-20220616-21-adexyd.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/469147/original/file-20220616-21-adexyd.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=600&h=450&fit=crop&dpr=1 600w, https://images.theconversation.com/files/469147/original/file-20220616-21-adexyd.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=450&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/469147/original/file-20220616-21-adexyd.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=450&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/469147/original/file-20220616-21-adexyd.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=566&fit=crop&dpr=1 754w, https://images.theconversation.com/files/469147/original/file-20220616-21-adexyd.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=566&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/469147/original/file-20220616-21-adexyd.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=566&fit=crop&dpr=3 2262w" alt="" /></a><figcaption>Insulating the walls is crucial to stabilise temperatures inside. Shutterstock</figcaption></figure> Between <a href="https://blog.csiro.au/renovating-or-retrofitting/" target="_blank" rel="noopener">ten and 35%</a> of the energy we spend cooling or heating our homes escapes through single glazed windows and doors. Installing double or triple glazed windows and doors will go a long way to keep temperatures more stable inside. It’s worth noting the <a href="https://build.com.au/window-energy-rating-scheme" target="_blank" rel="noopener">energy performance rating systems</a> on measurement labels, which are often attached to window and door units you can buy in stores. Ultimately, a combination of improved natural ventilation and mechanical ventilation (such as air conditioners as fans) can result in considerable energy savings – <a href="https://thefifthestate.com.au/articles/making-the-building-do-the-work-natural-ventilation-design/" target="_blank" rel="noopener">up to 79%</a> in some instances. 3. Energy consumption While the above strategies will result in significant energy savings, it’s also vital to consider the energy required to produce and manufacture <a href="https://www.pembina.org/pub/embodied-carbon-retrofits" target="_blank" rel="noopener">retrofitting materials</a>. Consider using salvaged or recycled materials where possible, or choosing locally made products which avoid emissions associated with transport. Effectively installing solar panels can offset this “hidden” carbon. Let’s say you’ve done all you can to lower your home’s carbon footprint – you’ve rolled out insulation, installed double glazed windows and made the most of sunshine. You can then calculate the energy you still use to heat or cool your home. This number will determine how many rooftop solar panels you should install to break even, rather than simply installing as many panels that can fit. This will not only save you money, but also minimise waste. Researchers estimate that by 2047, Australia will accumulate <a href="https://theconversation.com/stop-removing-your-solar-panels-early-please-its-creating-a-huge-waste-problem-for-australia-160546" target="_blank" rel="noopener">1 million tonnes</a> of solar panel waste. It’s worth opting for solar panels with micro-inverters, which capture optimal energy performance per panel while allowing you to add more panels in future if needed. <figure class="align-center zoomable"><a href="https://images.theconversation.com/files/469146/original/file-20220616-11210-4f8kun.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=1000&fit=clip"><img src="https://images.theconversation.com/files/469146/original/file-20220616-11210-4f8kun.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&fit=clip" sizes="(min-width: 1466px) 754px, (max-width: 599px) 100vw, (min-width: 600px) 600px, 237px" srcset="https://images.theconversation.com/files/469146/original/file-20220616-11210-4f8kun.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=600&h=400&fit=crop&dpr=1 600w, https://images.theconversation.com/files/469146/original/file-20220616-11210-4f8kun.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=600&h=400&fit=crop&dpr=2 1200w, https://images.theconversation.com/files/469146/original/file-20220616-11210-4f8kun.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=600&h=400&fit=crop&dpr=3 1800w, https://images.theconversation.com/files/469146/original/file-20220616-11210-4f8kun.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=754&h=503&fit=crop&dpr=1 754w, https://images.theconversation.com/files/469146/original/file-20220616-11210-4f8kun.jpg?ixlib=rb-1.1.0&q=30&auto=format&w=754&h=503&fit=crop&dpr=2 1508w, https://images.theconversation.com/files/469146/original/file-20220616-11210-4f8kun.jpg?ixlib=rb-1.1.0&q=15&auto=format&w=754&h=503&fit=crop&dpr=3 2262w" alt="" /></a><figcaption>Solar panels can offset some of the carbon associated with manufacturing the materials you’ve purchased. Shutterstock</figcaption></figure> Another option is to use <a href="https://www.radiantheatingandcooling.com.au/geothermal-or-air-source-heat-pumps/" target="_blank" rel="noopener">air-source heat pumps</a>, which absorb heat from outside and bring it inside (like a reverse air conditioner). These can take the form of mini-split heat pumps for individual rooms, or multi-zone installations. They can sense indoor temperature, and operate at variable speeds and heating or cooling intensity, which means their energy performance is very efficient. My <a href="https://www.intechopen.com/chapters/79914" target="_blank" rel="noopener">research</a> finds well-planned use of such systems can reduce the energy used for heating by 69% and cooling by 38%. It’s well worth the effort These retrofitting ideas might seem expensive, or take too much time. However, they’ll often save you money in the long run as energy prices become increasingly uncertain. You can look to <a href="https://www.everybuildingcounts.com.au/?__hstc=213300875.d01baaf20feef1321eed69f68f6b9ce7.1644286749265.1644286749265.1644286749265.1&__hssc=213300875.1.1644286749266&__hsfp=475898586" target="_blank" rel="noopener">Every Building Counts</a>, an initiative by the <a href="https://new.gbca.org.au/" target="_blank" rel="noopener">Green Building Council</a> and the <a href="https://www.propertycouncil.com.au/" target="_blank" rel="noopener">Property Council of Australia</a>, which provides practical plans for emission reduction. Australia can also learn from ongoing efforts by the <a href="https://energiesprong.org/?country=the-netherlands" target="_blank" rel="noopener">Energiesprong network</a> in the Netherlands. This network is industrialising energy efficiency with <a href="https://energiesprong.org/this-dutch-construction-innovation-shows-its-possible-to-quickly-retrofit-every-building/" target="_blank" rel="noopener">prefabricated retrofitting building elements</a>. Some initiatives include lightweight insulated panels that can simply be placed in front of existing walls of homes. These panels are precisely fitted after carefully laser scanning a facade and robotically cutting openings to match existing homes. Harnessing contemporary technology is vital for a speedy net-zero transition.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/175921/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /> <a href="https://theconversation.com/profiles/nimish-biloria-772399" target="_blank" rel="noopener">Nimish Biloria</a>, Associate Professor of Architecture, <a href="https://theconversation.com/institutions/university-of-technology-sydney-936" target="_blank" rel="noopener">University of Technology Sydney</a> This article is republished from <a href="https://theconversation.com" target="_blank" rel="noopener">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/keen-to-retrofit-your-home-to-lower-its-carbon-footprint-and-save-energy-consider-these-3-things-175921" target="_blank" rel="noopener">original article</a>. Image: Getty Images

Home Hints & Tips

Household appliances that use the most energy

As the colder months are well and truly settling in, a lot of us are relying on our various devices and appliances to make winter a little easier. However, as energy bills continue to rise, it’s worth being aware of things in our home that leech more electricity than others and therefore drive our electricity bills even higher. With general household appliances being responsible for more than 30% of your energy consumption, it's reflecting on your daily usage habits of appliances, and making any substitutes where you can. One of the main energy drains in most households are tumble dryers. While they are certainly a convenient purchase, dryers can drastically increase your electricity bill, as regularly using your clothes dryer can cost you anywhere from $100-$650 a year. To cut down the costs of your dryer, only tumble dry your clothes when absolutely necessary, which is admittedly a lot easier said than done in winter. If you can hang out your clothes to dry them, take advantage of this option. Also, make sure you turn off your tumble dryer at the powerpoint when it’s not in use, as some dryers can still use energy even when they’re not being used. Another huge power drain is fridges, as they are in use 24 hours a day. As we can’t go without a fridge, and can’t unplug it when it’s not in use (because it's always in use), it's important to pick the right fridge for your needs. Choosing a smaller fridge can help cut some electricity costs, as bigger units use more power to keep on. Also, look for the energy efficient stickers on fridges when making your purchase and decide accordingly. Air conditioning units and heaters can also contribute to almost 40% of your total energy bill, especially in times of extreme weather. For the sake of your electricity bill, it's best to limit the use of these appliances where you can and stay warm in other ways. Think electric blankets, cups of tea and only the cosiest slippers. And again, looking out for energy efficient stickers on these appliances when you’re buying them will help you save big bucks on your bills. Other smaller appliances such as TVs, computer monitors and even kettles are notorious for passively draining the electricity when they’re not being used. In order to prevent this accumulative energy drain, be sure to switch off these appliances at the powerpoint when you’re not using them, and your next electricity bill will thank you. Image credits: Getty Images

Home Hints & Tips

Electricity retailer tells customers to leave

A small electricity retailer has told its customers to leave and find another company as they expect their prices to soar. Victorian energy supplier Electricityinabox expects its prices to increase by a whopping 95 per cent on July 1. CEO Morgan Duncan sent out a letter to all customers telling them that "only the lazy or crazy would stay" with the company. The letter begins with a straightforward statement telling customers “you need to find a new electricity provider today". "You need to be aware that smaller low price high value retailers are exiting this market. Four have already exited, some of them closed their doors," it continues. The company will continue to provide certain services but is expected to leave the electricity sector due to the increasing demand making it expensive. Energy companies ReAmped, LPE, Discover, Elysian and Future X have told customers to look elsewhere, while Momentum, Simply, Mojo, CovAU and Nectr have stopped accepting new customers. The news comes just a week after Australian Energy Market Operator (AEMO) called on Aussies to reduce their electricity consumption. Australian Energy Regulator (AER) and Australian Competition and Consumer Commission (ACCC) have warned retailers not to take advantage of the situation. Image: Shutterstock

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Why Mr Bean is being blamed for decreasing electric vehicle sales

5 tips for getting off gas at home – for a cleaner, cheaper, healthier all-electric future

Cooking (and heating) without gas: what are the impacts of shifting to all-electric homes?

Keen to get off gas in your home, but struggling to make the switch? Research shows you’re not alone

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Want an easy $400 a year? Ditch the gas heater in your home for an electric split system

Explainer: Why are electricity prices expected to rise, yet again?

Why are electricity prices going up again, and will it ever end?

Cheaper gas and electricity are within our grasp

Energy companies warn of further jump in power bills

Producing electricity from your sweat might be key to next wearable technology

Grandad says power company is to blame for wife leaving him

Woman “harassed” over previous tenant’s 78 cent bill

Heat yourself, not your house: how to survive winter with a 15℃ indoor temperature

How to get out of the energy crisis, according to top technology experts

Keen to retrofit your home to lower its carbon footprint and save energy? Consider these 3 things

Household appliances that use the most energy

Electricity retailer tells customers to leave

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Why Mr Bean is being blamed for decreasing electric vehicle sales

5 tips for getting off gas at home – for a cleaner, cheaper, healthier all-electric future

Cooking (and heating) without gas: what are the impacts of shifting to all-electric homes?

Keen to get off gas in your home, but struggling to make the switch? Research shows you’re not alone

All-electric homes are better for your hip pocket and the planet. Here’s how governments can help us get off gas

An El Niño looms over Australia’s stressed electricity system – and we must plan for the worst

The best electric heated blanket in Australia for unparalleled warmth and comfort

Want an easy $400 a year? Ditch the gas heater in your home for an electric split system

Explainer: Why are electricity prices expected to rise, yet again?

Why are electricity prices going up again, and will it ever end?

Cheaper gas and electricity are within our grasp

Energy companies warn of further jump in power bills

Producing electricity from your sweat might be key to next wearable technology

Grandad says power company is to blame for wife leaving him

Woman “harassed” over previous tenant’s 78 cent bill

Heat yourself, not your house: how to survive winter with a 15℃ indoor temperature

How to get out of the energy crisis, according to top technology experts

Keen to retrofit your home to lower its carbon footprint and save energy? Consider these 3 things

Household appliances that use the most energy

Electricity retailer tells customers to leave

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