{"id":30949,"date":"2019-06-10T14:32:20","date_gmt":"2019-06-10T04:02:20","guid":{"rendered":"https:\/\/www.solarquotes.com.au\/blog\/?p=30949"},"modified":"2019-06-10T14:32:20","modified_gmt":"2019-06-10T04:02:20","slug":"sa-three-phase-solar","status":"publish","type":"post","link":"https:\/\/www.solarquotes.com.au\/blog\/sa-three-phase-solar\/","title":{"rendered":"SA Power Networks Limits Three-Phase Exports To 15kW"},"content":{"rendered":"<p><img decoding=\"async\" class=\"aligncenter wp-image-30959 size-full\" src=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/06\/3-phase-sapn.jpg\" alt=\"Solar power and three-phase in South Australia\" width=\"1200\" height=\"628\" srcset=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/06\/3-phase-sapn.jpg 1200w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/06\/3-phase-sapn-300x157.jpg 300w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/06\/3-phase-sapn-768x402.jpg 768w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/06\/3-phase-sapn-1024x536.jpg 1024w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">If you\u2019re a South Australian who needs three-phase output from your solar power kit, I hope you\u2019ve already made your application to SA Power Networks for approval, because from the end of May, new rules limit three-phase export in that state to 5kW per phase.<\/span><!--more--><\/p>\n<p><span style=\"font-weight: 400;\">The change was foreshadowed: in April, SA Power Networks<\/span><span style=\"font-weight: 400;\">\u00a0<a href=\"https:\/\/www.sapowernetworks.com.au\/data\/304457\/small-embedded-generation-new-application-form-inverter-requirements-and-three-phase-export-limits\/\">confirmed<\/a> the export limits for three-phase solar inverters would be cut, and with the publication of its<\/span><span style=\"font-weight: 400;\">\u00a0<a href=\"https:\/\/www.sapowernetworks.com.au\/data\/2951\/technical-standard-ts-129-small-inverter-energy-systems-ies-capacity-not-exceeding-30kw\/\">technical standard<\/a> on May 30, that throttling has come into effect.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The change reversed a decision<\/span><span style=\"font-weight: 400;\">\u00a0<a href=\"https:\/\/www.solarquotes.com.au\/blog\/sa-power-networks-inverter-limits\/\">we discussed<\/a> in December 2017. At that time, SAPN limited single-phase export to 5kW, but allowed 10kW per phase export on three-phase systems &#8211; as we put it at the time, \u201c3 phase homes can fill their boots with 30kW of inverters and 40kW of panels\u201d.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Those halcyon days are over for three-phase users &#8211; under the new technical rules, they\u2019re subject a 5kW per phase limit, for a total of 15kW, in effect putting them in the same boat as single-phase owners. And, of course, that also halves the maximum customers can reap back for what they feed into the network &#8211; which would have been a savage hit if it applied retrospectively.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">That, fortunately, is not the case. SA Power Networks emphasised that it only applies to applications for connection received after May 31.<\/span><\/p>\n<blockquote><p><span style=\"font-weight: 400;\">\u201cThe new three phase limit applies to all applications after 31 May 2019 &#8212; noting there is a period of grace for applications received up to 31 May,\u201d <\/span><\/p><\/blockquote>\n<p><span style=\"font-weight: 400;\">a spokesman for the company told us in an e-mail:<\/span><\/p>\n<blockquote><p><span style=\"font-weight: 400;\">\u201cFor applications received up to 31 May 2019, \u00a0the installation and connection must be completed by 30 August 2019 or a new SEG application will have to be made and the new three-phase export limits will apply.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cWhat we have done is apply the existing 5kW single phase export requirement to a three-phase installation. We are now aligned with the national guidelines developed after broad industry consultation, including with the Clean Energy Council.\u201d<\/span><\/p><\/blockquote>\n<h3>Why the limit?<\/h3>\n<p><span style=\"font-weight: 400;\">SA Networks has two justifications for its decision &#8211; national standards, and the capacity of its own network.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In 2017, we noted the utility is following the AS4777.1 standard, but it does have wriggle-room to make exceptions &#8211; that\u2019s one reason the 30kW export limit lasted so long.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In changing tack last month, SA Power Networks says the limitations of its own network, most particularly the \u201clast mile\u201d where the wires are thinnest (and, we suppose, oldest), have forced the change. Quoting from its April statement:<\/span><\/p>\n<blockquote><p><span style=\"font-weight: 400;\">\u201cThe rapid increase in the installed capacity of inverter energy systems (IES) across South Australia into an electrical network originally designed for one way energy flow has presented a number of challenges to the safety and reliability of the distribution network.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cIt is important to remember, every powerline has a finite capacity to accommodate the connection of solar and batteries, before technical issues arise. Remediation of these issues in some areas is uneconomic and is not in the best long-term interests of all cost sharing electricity customers.\u201d<\/span><\/p><\/blockquote>\n<p><span style=\"font-weight: 400;\">As previously, SA Power Networks also calls on the authority of national standards to justify its decision: <\/span><\/p>\n<blockquote><p><span style=\"font-weight: 400;\">&#8220;This is consistent with Energy Networks Australia (the national industry association representing Australian electricity networks and gas distribution businesses.) releasing the National Distributed Energy Resources Grid Connection Guidelines on 7 March 2019. In preparing these guidelines, Energy Networks Australia (ENA) consulted broadly with industry including the Australian Energy Market Operator, the Australian Energy Market Commission, state and federal governments and the Clean Energy Council as well as each of the fourteen utilities across Australia.\u201d<\/span><\/p><\/blockquote>\n<p><span style=\"font-weight: 400;\">You\u2019ll notice that there was very little consumer representation in those deliberations. The closest the consumer is to the consultation is the Clean Energy Council, which represents Australia&#8217;s solar energy industry. While we all have a stake in our customers getting the best deal, nobody is speaking directly for consumers, and that\u2019s outdated in a world where customers are also electricity generators, and deserve a greater voice in discussing trade-offs that affect them.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you\u2019re a South Australian who needs three-phase output from your solar power kit, I hope you\u2019ve already made your application to SA Power Networks for approval, because from the end of May, new rules limit three-phase export in that state to 5kW per phase.<\/p>\n","protected":false},"author":23,"featured_media":30959,"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-30949","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>SA Power Networks Limits Three-Phase Exports To 15kW<\/title>\n<meta name=\"description\" content=\"If you install 3 phase solar power in SA, exports are now limited to a maximum of 15kW - half the previous 30kW export limit mandated by SA Power Networks.\" \/>\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\/sa-three-phase-solar\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SA Power Networks Limits Three-Phase Exports To 15kW\" \/>\n<meta property=\"og:description\" content=\"If you install 3 phase solar power in SA, exports are now limited to a maximum of 15kW - half the previous 30kW export limit mandated by SA Power Networks.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.solarquotes.com.au\/blog\/sa-three-phase-solar\/\" \/>\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=\"2019-06-10T04:02:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/06\/3-phase-sapn.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"628\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Richard Chirgwin\" \/>\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\/sa-three-phase-solar\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/sa-three-phase-solar\/\"},\"author\":{\"name\":\"Richard Chirgwin\",\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/#\/schema\/person\/d2e4d6f75c9033945224b9de834d9be6\"},\"headline\":\"SA Power Networks Limits Three-Phase Exports To 15kW\",\"datePublished\":\"2019-06-10T04:02:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/sa-three-phase-solar\/\"},\"wordCount\":675,\"commentCount\":10,\"publisher\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/sa-three-phase-solar\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/06\/3-phase-sapn.jpg\",\"articleSection\":[\"General Solar &amp; 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