{"id":71693,"date":"2023-02-27T06:47:25","date_gmt":"2023-02-26T20:17:25","guid":{"rendered":"https:\/\/www.solarquotes.com.au\/blog\/?p=71693"},"modified":"2023-02-27T06:47:25","modified_gmt":"2023-02-26T20:17:25","slug":"arena-hot-water-solar-mb2841","status":"publish","type":"post","link":"https:\/\/www.solarquotes.com.au\/blog\/arena-hot-water-solar-mb2841\/","title":{"rendered":"ARENA Gets Into Hot Water"},"content":{"rendered":"<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-71694\" src=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/02\/hot-water-trial.jpg\" alt=\"Electric hot water system Demand Flexibility Trial\" width=\"1200\" height=\"630\" \/><\/p>\n<p>The Australian Renewable Energy Agency (ARENA) is stumping up funds for a trial involving controlling hot water loads to take advantage of cheap surplus solar energy. <!--more--><\/p>\n<p>Heating water is an energy-intensive exercise. Around a quarter of electricity consumed by Australian households with a standard electric hot water system goes towards heating water.<\/p>\n<p>Electric hot water systems can be considered batteries of sorts, storing energy as heat. For households with solar panels, using an electric hot water system wisely can be a good way to maximise solar energy self-consumption; assuming you can get your system to &#8220;charge&#8221; (heat) when conditions are favourable. For example, smarter hot water systems can be set on a timer or devices such as <a href=\"https:\/\/www.solarquotes.com.au\/hot-water\/pv-diverters\/\">solar diverters<\/a> used.<\/p>\n<p>En masse, electric hot water systems can also potentially help with grid security in situations where grid demand is so low it threatens network stability. This is becoming a more pressing issue as more renewable energy enters the electricity system.<\/p>\n<p>Which leads us to the project ARENA is supporting.<\/p>\n<p>On Friday, <a href=\"https:\/\/arena.gov.au\/news\/dynamically-managing-hot-water-systems-in-south-australia\/\">ARENA announced<\/a> $2.72 million in funding for a $5.4 million project headed by Sydney-headquartered PLUS ES. The company, a partnership between the NSW Government and a consortium made up of IFM Investors and AustralianSuper, is involved in metering and data services. A few months back, the company installed its millionth smart meter.<\/p>\n<p>PLUS ES is developing a Hot Water Control Load demand management capability that will enable project partner AGL Energy to access and manage a fleet of up to 20,000 hot water systems in South Australia in near-real time via their smart meters. The systems involved represent a potential controllable load of up to 48 MW.<\/p>\n<h2>Sopping Up Surplus With A Solar Sponge<\/h2>\n<p>The project will take advantage of SA Power Network\u2019s (SAPN&#8217;s) &#8220;solar sponge&#8221; Time-of-Use tariff. This incentivises consumption of electricity during daytime periods when there&#8217;s plenty of solar energy goodness in the grid from the hundreds of thousands of solar systems installed across the state. Introduced in mid-2020, the \u2018solar sponge\u2019 tariff is offered between 10am to 3pm and is a quarter of the price of the normal network tariff.<\/p>\n<p>Assuming the project works out,\u00a0 PLUS ES will consider expanding the approach across all of its meters in the National Electricity Market (NEM).<\/p>\n<blockquote><p>\u201cHot water control has been identified as a low cost solution that could help to address minimum system demand issues across the NEM, highlighting that with the right innovation and technology solutions, we can reduce the need for costly network infrastructure upgrades and make the most of the increasing amounts of low-cost clean energy that we see entering the market,&#8221; said ARENA CEO Darren Miller.<\/p><\/blockquote>\n<p>AGL Chief Customer Officer Jo Egan sees tremendous opportunities for AGL, PLUS ES &#8211; and electricity customers<\/p>\n<blockquote><p>&#8220;As AGL dynamically manages hot water systems in South Australia for thousands of our customers, we will be taking advantage of high renewable energy generation available during the day, to test if this can help with grid stability and support a reduction in energy prices.&#8221;<\/p><\/blockquote>\n<p>The PLUS ES South Australia Demand Flexibility Trial will run until the end of October next year &#8211; some further information <a href=\"https:\/\/arena.gov.au\/projects\/plus-es-south-australia-demand-flexibility-trial\/\">is available here<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Australian Renewable Energy Agency (ARENA) is stumping up funds for a trial involving controlling hot water loads to take advantage of cheap surplus solar energy.<\/p>\n","protected":false},"author":17,"featured_media":71694,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[678],"tags":[],"class_list":["post-71693","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solar-battery-news","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>ARENA Gets Into Hot Water<\/title>\n<meta name=\"description\" content=\"ARENA is stumping up funds for a trial involving controlling hot water loads to take advantage of cheap surplus solar energy.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.solarquotes.com.au\/blog\/arena-hot-water-solar-mb2841\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ARENA Gets Into Hot Water\" \/>\n<meta property=\"og:description\" content=\"ARENA is stumping up funds for a trial involving controlling hot water loads to take advantage of cheap surplus solar energy.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.solarquotes.com.au\/blog\/arena-hot-water-solar-mb2841\/\" \/>\n<meta property=\"og:site_name\" content=\"SolarQuotes Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SolarQuotes\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-02-26T20:17:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/02\/hot-water-trial.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Michael Bloch\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@solar_quotes\" \/>\n<meta name=\"twitter:site\" content=\"@solar_quotes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/arena-hot-water-solar-mb2841\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/arena-hot-water-solar-mb2841\/\"},\"author\":{\"name\":\"Michael Bloch\",\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/#\/schema\/person\/66afd571aa00c2e442f0192ebac2f6f1\"},\"headline\":\"ARENA Gets Into Hot Water\",\"datePublished\":\"2023-02-26T20:17:25+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/arena-hot-water-solar-mb2841\/\"},\"wordCount\":532,\"commentCount\":4,\"publisher\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/arena-hot-water-solar-mb2841\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2023\/02\/hot-water-trial.jpg\",\"articleSection\":[\"General Solar &amp; 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Solar Victoria's Solar Homes program currently offers up to a $1,000 rebate for eligible heat pump and solar hot water systems. On the weekend, Victorian\u2026","rel":"","context":"In &quot;General Solar &amp; Storage News&quot;","block_context":{"text":"General Solar &amp; Storage News","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/solar-battery-news\/"},"img":{"alt_text":"All all-in-one heat pump hot water system","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/victoria-hot-water.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/victoria-hot-water.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/victoria-hot-water.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/victoria-hot-water.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/victoria-hot-water.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":14165,"url":"https:\/\/www.solarquotes.com.au\/blog\/solar-hot-water-diverters-vs-batteries\/","url_meta":{"origin":71693,"position":2},"title":"Solar Hot Water Diverters Beat Batteries On Energy Storage","author":"Ronald Brakels","date":"August 22, 2017","format":false,"excerpt":"\u00a0 Update: Compare all the hot water diverters available in Australia here. How A Diverter Can Give You Solar Hot Water And Store Energy At A Lower Cost Than Batteries A solar hot water diverter is an electronic device that sends surplus electricity from your rooftop solar to your electric\u2026","rel":"","context":"In &quot;Solar Hot Water&quot;","block_context":{"text":"Solar Hot Water","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/solar-hot-water\/"},"img":{"alt_text":"battery vs hot water cylinder","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2017\/08\/battery-vs-hot-water.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2017\/08\/battery-vs-hot-water.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2017\/08\/battery-vs-hot-water.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2017\/08\/battery-vs-hot-water.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":10756,"url":"https:\/\/www.solarquotes.com.au\/blog\/solar-hot-water-victoria-mb0013\/","url_meta":{"origin":71693,"position":3},"title":"Solar Hot Water Subsidies For Victorians","author":"Michael Bloch","date":"April 27, 2017","format":false,"excerpt":"Households and businesses in Victoria can still take advantage of added incentives for upgrading their gas and electric hot water systems to solar units. Heating water is the second largest energy guzzler in a typical Australian home, so it makes good financial sense to take steps to minimize the cost\u2026","rel":"","context":"In &quot;General Solar &amp; Storage News&quot;","block_context":{"text":"General Solar &amp; Storage News","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/solar-battery-news\/"},"img":{"alt_text":"Solar hot water subsidies in Victoria","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2017\/04\/solar-hot-water-subsidies.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2017\/04\/solar-hot-water-subsidies.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2017\/04\/solar-hot-water-subsidies.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":54722,"url":"https:\/\/www.solarquotes.com.au\/blog\/electric-hot-water-solar\/","url_meta":{"origin":71693,"position":4},"title":"Are Off Peak Hot Water Tariffs A Waste Of Time For Solar Owners?","author":"Ronald Brakels","date":"October 25, 2021","format":false,"excerpt":"Last week Finn got me into hot water.\u00a0 He did this by referring me to a study called:: \"Analysis of electricity consumption and thermal storage of domestic electric water heating systems to utilize excess PV generation\" Let me translate that from Academeze into English for you: Are electric hot water\u2026","rel":"","context":"In &quot;Solar Hot Water&quot;","block_context":{"text":"Solar Hot Water","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/solar-hot-water\/"},"img":{"alt_text":"Off peak hot water tariffs and solar power","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2021\/10\/off-peak-hw.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2021\/10\/off-peak-hw.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2021\/10\/off-peak-hw.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2021\/10\/off-peak-hw.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2021\/10\/off-peak-hw.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":90365,"url":"https:\/\/www.solarquotes.com.au\/blog\/sunshine-on-tap-turn-your-hot-water-system-into-a-battery\/","url_meta":{"origin":71693,"position":5},"title":"Sunshine On Tap: Turn Your Hot Water System Into A Battery","author":"Max Opray","date":"March 24, 2025","format":false,"excerpt":"Don't you hate it when you're out and realise you've left the gas on at home? It's a nightmare when we do it with a gas stove, yet millions of Australians are essentially doing this every day to keep their water piping hot. There's a more efficient alternative: use a\u2026","rel":"","context":"In &quot;Hot Water Heat Pumps&quot;","block_context":{"text":"Hot Water Heat Pumps","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/hot-water-heat-pumps\/"},"img":{"alt_text":"A tap and a sunset","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/03\/silhouette-of-a-tap-with-water-being-dropped-at-su-2025-02-09-02-51-40-utc.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/03\/silhouette-of-a-tap-with-water-being-dropped-at-su-2025-02-09-02-51-40-utc.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/03\/silhouette-of-a-tap-with-water-being-dropped-at-su-2025-02-09-02-51-40-utc.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/03\/silhouette-of-a-tap-with-water-being-dropped-at-su-2025-02-09-02-51-40-utc.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/03\/silhouette-of-a-tap-with-water-being-dropped-at-su-2025-02-09-02-51-40-utc.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/posts\/71693","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/comments?post=71693"}],"version-history":[{"count":6,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/posts\/71693\/revisions"}],"predecessor-version":[{"id":71700,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/posts\/71693\/revisions\/71700"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/media\/71694"}],"wp:attachment":[{"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/media?parent=71693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/categories?post=71693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/tags?post=71693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}