{"id":92645,"date":"2025-06-18T05:48:39","date_gmt":"2025-06-17T20:18:39","guid":{"rendered":"https:\/\/www.solarquotes.com.au\/blog\/?p=92645"},"modified":"2025-06-18T05:48:39","modified_gmt":"2025-06-17T20:18:39","slug":"sapn-exports-tou-peak-mb3206","status":"publish","type":"post","link":"https:\/\/www.solarquotes.com.au\/blog\/sapn-exports-tou-peak-mb3206\/","title":{"rendered":"SAPN: Electricity Peak Period Tweaks, Flexible Exports Update"},"content":{"rendered":"<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-92646\" src=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/sapn-south-australia.jpg\" alt=\"SAPN power lines with Adelaide in the background\" width=\"1200\" height=\"630\" srcset=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/sapn-south-australia.jpg 1200w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/sapn-south-australia-300x158.jpg 300w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/sapn-south-australia-1024x538.jpg 1024w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/sapn-south-australia-768x403.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>A change in peak period times for South Australian customers on a Time of Use (ToU) electricity plan will soon kick in, plus SA Power Networks (SAPN) has provided an update on flexible solar exports availability in regional areas.<!--more--><\/p>\n<h2>Time Of Use Tariff Peak Time Changes<\/h2>\n<p>Yesterday I received a notice from our energy retailer stating the state&#8217;s electricity distributor, SAPN, is changing its peak, shoulder and off-peak times from July 1, 2025 for the Time of Use network tariff structure we&#8217;re currently on. I&#8217;m assuming this will apply to most if not all other residential customers on a ToU <a href=\"https:\/\/www.solarquotes.com.au\/energy\/\">electricity plan<\/a> in South Australia.<\/p>\n<p>Peak time periods will be reduced by two hours, with an hour being added onto both shoulder and off-peak times.<\/p>\n<p>Before:<\/p>\n<ul>\n<li><b> Peak:<\/b> 6.00am to 10.00am, and 3.00pm to 1.00am<\/li>\n<li><b> Shoulder:<\/b> 10.00am to 3.00pm<\/li>\n<li><b> Off-peak:<\/b> 1.00am to 6.00am<\/li>\n<\/ul>\n<p>From July 1, 2025<\/p>\n<ul>\n<li><b> Peak:<\/b> 6.00am to 10.00am, and 4.00pm to midnight<\/li>\n<li><b> Shoulder:<\/b> 10.00am to 4.00pm<\/li>\n<li><b> Off-peak:<\/b> Midnight to 6.00am<\/li>\n<\/ul>\n<p>The times apply 7 days a week.<\/p>\n<p>The difference in rates we&#8217;re currently paying our retailer is significant:<\/p>\n<ul>\n<li><b>Peak:<\/b> 51 cents per kilowatt-hour (kWh)<\/li>\n<li><b>Off-Peak:<\/b> 31 cents\/kWh<\/li>\n<li><b>Shoulder:<\/b> 19 cents\/kWh<\/li>\n<\/ul>\n<p>An example of where this change may be particularly beneficial is for <a href=\"https:\/\/www.solarquotes.com.au\/ev-chargers\/\">EV owners charging at home<\/a>. For us, the change means if solar conditions are poor and our electric car really needs to be charged, we can get an extra ~7 kWh into it from mains supply for $1.33 instead of $3.57 if we charge past 3pm for an hour. That will be handy.<\/p>\n<p>On a somewhat related note, what isn&#8217;t so handy is another recent announcement from SAPN regarding an <a href=\"https:\/\/www.solarquotes.com.au\/blog\/sa-solar-export-tariffs-mb3203\/\">upcoming solar export tariff<\/a>.<\/p>\n<h2>Flexible Solar Exports Update<\/h2>\n<p><a href=\"https:\/\/www.solarquotes.com.au\/blog\/sa-power-networks-inverter-limits\/\">Back in 2017<\/a>, SAPN set a solar inverter export limit of 5kW on single-phase connections as standard to help manage the rapidly increasing amount of solar energy in SA&#8217;s grid during the daytime. Then pioneering flexible exports started being rolled out in 2023 to enable a much higher limit \u2014 <a href=\"https:\/\/www.solarquotes.com.au\/grid-connection\/sa\/\">up to 10 kW per phase<\/a>.<\/p>\n<h2>How Flexible Exports Work<\/h2>\n<p>When the amount of solar in the grid starts making SAPN nervous, exports may be automatically adjusted down to as low as 1.5 kW through signals sent remotely to compatible solar inverters, then adjusted back up to as much as 10 kW when the situation passes<sup class='endnote'><a href='https:\/\/www.solarquotes.com.au\/blog\/sapn-exports-tou-peak-mb3206\/#en-92645-1' id='enref-92645-1' onclick='return hhEndnotes_show(92645)'>1<\/a><\/sup>.<\/p>\n<p>You can see an example of <a href=\"https:\/\/www.solarquotes.com.au\/blog\/flexible-exports-test-mb2973\/\">flexible exports curtailment in action here<\/a>.<\/p>\n<p>Since 2023, it&#8217;s been a requirement for all new grid-connected <a href=\"https:\/\/www.solarquotes.com.au\/inverters\/\">solar inverters<\/a> installed in South Australia to be compatible with this feature. But where flexible exports have been available and can\u2019t be used, for example in a case where there is no reliable internet connection; then a 1.5kW fixed export limit per phase applies. It&#8217;s the same situation where an existing solar customer with a new or upgraded system (inverter) chooses not to participate in the flexible option.<\/p>\n<p>According to SAPN, more than 88% of eligible customers have been choosing flexible exports. Funny that.<\/p>\n<p>Existing customers with solar panels can still remain on their current export arrangements until such time as they upgrade or replace their system. At that point, they&#8217;ll need to make a choice between flexible or fixed.<\/p>\n<p>You can find out your individual export capacity by entering your National Meter Identifier (NMI) or address into SAPN&#8217;s <a href=\"https:\/\/www.sapowernetworks.com.au\/your-power\/smarter-energy\/flexible-exports-eligibility\/\">Flexible Exports Eligibility Checker<\/a>. We haven&#8217;t signed up for the option at our place, but running the eligibility checker shows the following\u00a0 flexible exports performance in our area for the past 12 months.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-92647\" src=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/flexible-exports-result.png\" alt=\"Flexible Exports performance\" width=\"628\" height=\"518\" srcset=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/flexible-exports-result.png 628w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/flexible-exports-result-300x247.png 300w\" sizes=\"(max-width: 628px) 100vw, 628px\" \/><\/p>\n<h2>Flexible Exports Availability Expands Again<\/h2>\n<p>The rollout of flexible solar exports has occurred in stages, and yesterday SAPN announced the option has been released to remaining council areas in regional South Australia previously without it.<\/p>\n<p>Regional customers not connected to a single-wire earth-return (SWER) line will have a choice between a fixed export limit of 1.5 kW\/phase, or flexible export limit of up to 10 kW\/phase (with a fall-back limit of 1.5kW).<\/p>\n<p>Regarding SWER-connected customers, SAPN <a href=\"https:\/\/www.solarquotes.com.au\/blog\/sapn-flexible-exports-update-mb3136\/\">mentioned back in March<\/a> it was working on offering flexible exports.<\/p>\n<p>SAPN confirmed yesterday that most customers in regional areas connected to a SWER line will be able to install up to 10 kVA of inverter capacity through a flexible exports connection, up from 5 kVA. The flexible export limit will be up to 10kW\/phase, with a fall-back limit of &#8230; zero kilowatts.<\/p>\n<blockquote><p>&#8220;In a change to our generation connection standard TS129, SWER customers will be offered a limit of 10kVA installed solar and 10kVA battery capacity, allowing you to install more solar and battery,&#8221; <a href=\"https:\/\/www.sapowernetworks.com.au\/data\/322722\/flexible-exports-offered-to-all-customers-in-south-australia\/\">says SAPN<\/a>. &#8220;Your solar energy exports may be limited more than other customers however, you can still make the most of your larger installation by self-consuming the energy it generates.&#8221;<\/p><\/blockquote>\n<p>For SWER customers going solar or upgrading their systems and not wishing to participate, it&#8217;s really a case of Hobson&#8217;s choice as the fixed export limit is 0 kW.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A change in peak period times for South Australian customers on a Time of Use (ToU) electricity plan will soon kick in, plus SA Power Networks (SAPN) has provided an update on flexible solar exports availability in regional areas.<\/p>\n","protected":false},"author":17,"featured_media":92646,"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-92645","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 v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>SAPN: Electricity Peak Period Tweaks, Flexible Exports Update<\/title>\n<meta name=\"description\" content=\"A change in peak period times for South Australian customers on a Time of Use plan, plus SAPN provides an update on flexible solar exports.\" \/>\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\/sapn-exports-tou-peak-mb3206\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SAPN: Electricity Peak Period Tweaks, Flexible Exports Update\" \/>\n<meta property=\"og:description\" content=\"A change in peak period times for South Australian customers on a Time of Use plan, plus SAPN provides an update on flexible solar exports.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.solarquotes.com.au\/blog\/sapn-exports-tou-peak-mb3206\/\" \/>\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=\"2025-06-17T20:18:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/sapn-south-australia.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\\\/sapn-exports-tou-peak-mb3206\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/sapn-exports-tou-peak-mb3206\\\/\"},\"author\":{\"name\":\"Michael Bloch\",\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/#\\\/schema\\\/person\\\/66afd571aa00c2e442f0192ebac2f6f1\"},\"headline\":\"SAPN: Electricity Peak Period Tweaks, Flexible Exports Update\",\"datePublished\":\"2025-06-17T20:18:39+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/sapn-exports-tou-peak-mb3206\\\/\"},\"wordCount\":832,\"commentCount\":7,\"publisher\":{\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/sapn-exports-tou-peak-mb3206\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.solarquotes.com.au\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/sapn-south-australia.jpg\",\"articleSection\":[\"General Solar &amp; 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