{"id":87478,"date":"2024-10-10T04:52:57","date_gmt":"2024-10-09T19:22:57","guid":{"rendered":"https:\/\/www.solarquotes.com.au\/blog\/?p=87478"},"modified":"2024-10-10T06:52:01","modified_gmt":"2024-10-09T21:22:01","slug":"pw3-expansion-installation-mb3026","status":"publish","type":"post","link":"https:\/\/www.solarquotes.com.au\/blog\/pw3-expansion-installation-mb3026\/","title":{"rendered":"Watch A Tesla Powerwall 3 Expansion Unit Installation"},"content":{"rendered":"<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-87479\" src=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/10\/powerwall-expansion-install.jpg\" alt=\"Tesla Powerwall 3 expansion unit installation\" width=\"1200\" height=\"630\" srcset=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/10\/powerwall-expansion-install.jpg 1200w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/10\/powerwall-expansion-install-300x158.jpg 300w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/10\/powerwall-expansion-install-1024x538.jpg 1024w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/10\/powerwall-expansion-install-768x403.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>Tesla recently released a video demonstrating installation of expansion units for its Powerwall 3 battery &#8211; see it here.<!--more--><\/p>\n<p>Like the <a href=\"https:\/\/www.solarquotes.com.au\/battery-storage\/reviews\/tesla-powerwall-3-review.html\">Powerwall 3<\/a>, an expansion unit will have 13.5 kWh of usable storage capacity. Unlike the PW3, it doesn&#8217;t include (or need) an inverter and some of the other electronics &#8211; it&#8217;s just additional storage.\u00a0 The height and width are the same, but the depth is shallower &#8211; 25 mm less.<\/p>\n<p>Here&#8217;s the installation video (of course, all this needs to be done by a suitably qualified installer):<\/p>\n<div class=\"youtube-wrapper\"><iframe title=\"Powerwall 3 - Expansion Units\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/cGTJAnefU2g?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>Where expansion units are mounted next to PW3, there must be a minimum distance of 1 metre apart.\u00a0 They can also be ground-mounted in a stacked configuration behind a Powerwall 3 using a stacking expansion kit. The wall bracket needs to be attached to at least two suitable structural members using at least four fasteners.<\/p>\n<p>For ease of installation and to minimize the risk of damage, use of a Powerwall dolly is needed. It&#8217;s reportedly an impressive looking bit of equipment, but pricey for the installer &#8211; around $3,000.<\/p>\n<p>The expansion units don&#8217;t have terminals within the enclosure. They are daisy chained into the circuit for Powerwall 3 with a custom wiring harness that will be available in various lengths. This is plugged into a port that exists on both the left and right hand side of the units.<\/p>\n<p>The harness cable uses an extruded TPE jacket. It is moisture, flame and UV resistant, and has a temperature rating of -40\u00b0C to 105\u00b0C. The harness plug appears to be a delicate bit of kit. The company advises that even if one is dropped, it should be disposed of and a new harness should be used.<\/p>\n<p>Bridgeport US 61 71 straps must be used to strap Powerwall expansion harnesses evenly, with the number of harnesses to be used as required by whatever standards\/codes apply. A strap needs to be placed no further than 480 mm distance from the connector on each end with all Powerwall 3 expansion units connected.<\/p>\n<p>After everything is in place and tightened to specified torque values, it&#8217;s time to turn on the breaker and the PW3 enable switch. From there, the standard commissioning procedure is performed through the &#8220;leader&#8221; Powerwall\u00a0 3 on the devices page of the Tesla app. Once that is all done, tested and registered, the final step is to install the glass front covers.<\/p>\n<p>Further information here: <a href=\"https:\/\/energylibrary.tesla.com\/docs\/Public\/EnergyStorage\/Powerwall\/3\/InstallManual\/BackupSwitch\/en-us\/GUID-B4CDC057-5601-431B-A11C-E5BFE0F75B33.html\">wall-mounting<\/a> | <a href=\"https:\/\/energylibrary.tesla.com\/docs\/Public\/EnergyStorage\/Powerwall\/3\/InstallManual\/BackupSwitch\/en-us\/GUID-60146E9C-3743-4B7B-88E5-0BF2258CB7B3.html\">stacking<\/a><\/p>\n<h2>When Will Powerwall 3 Expansion Units Be Available In Australia?<\/h2>\n<p>SQ attended a Tesla media and installer briefing in Sydney for the PW3 launch back in August (<a href=\"https:\/\/www.solarquotes.com.au\/blog\/powerwall-3-launch\/\">full report here<\/a> &#8211; lots of questions answered), and the Tesla rep said they will be available in 2025.<\/p>\n<h2>How Much Can A System Be Built Out To?<\/h2>\n<p>Without the expansion units, it&#8217;s technically possible (but bear in mind <a href=\"https:\/\/www.solarquotes.com.au\/grid-connection\/\">DNSP limits<\/a> &#8211; and that inverter capacity is configurable) to install up to 4 Powerwall 3 master units in parallel to provide up to 40kW of inverter capacity and 54kWh of usable storage. With the expansion units, as many as 3 (40.5 kWh in total) can be installed per PW3 for up to 54 kWh storage each.<\/p>\n<h2>What Will The Expansion Units Cost?<\/h2>\n<p>At the August briefing, Tesla said pricing for the expansion units would be available closer to launch and will be more affordable than a Powerwall 3. We&#8217;ve heard they&#8217;ll be around (USD?) $1,000 cheaper. As for PW3 itself, it costs approximately AUD $13,600 (retail) including the gateway unit, but not including installation.<\/p>\n<p>You can find further information on PW3 specs and compare it with other residential energy storage solutions available in Australia on SQ&#8217;s <a href=\"https:\/\/www.solarquotes.com.au\/battery-storage\/comparison-table\/\">home battery comparison table<\/a>.<\/p>\n<h2>Does Powerwall 3 Make Sense For Me?<\/h2>\n<p>Many Australian solar owners have been excited about PW3. SolarQuotes founder Finn published an article cutting through the hype and detailing scenarios <a href=\"https:\/\/www.solarquotes.com.au\/blog\/powerwall-3-when-it-makes-sense\/\">where the Powerwall 3 will shine<\/a> &#8211; and when you should look elsewhere. You can also use SQ&#8217;s <a href=\"https:\/\/www.solarquotes.com.au\/battery-storage\/calculator\/\">&#8220;add battery&#8221; calculator<\/a> to get a pretty accurate idea of simple payback in your circumstances.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesla recently released a video demonstrating installation of expansion units for its Powerwall 3 battery &#8211; see it here.<\/p>\n","protected":false},"author":17,"featured_media":87479,"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-87478","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>See A Tesla Powerwall 3 Expansion Unit Installation<\/title>\n<meta name=\"description\" content=\"Tesla recently released a video demonstrating installation of expansion units for its Powerwall 3 battery - see it here.\" \/>\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\/pw3-expansion-installation-mb3026\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Watch A Tesla Powerwall 3 Expansion Unit Installation\" \/>\n<meta property=\"og:description\" content=\"Tesla recently released a video demonstrating installation of expansion units for its Powerwall 3 battery - see it here.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.solarquotes.com.au\/blog\/pw3-expansion-installation-mb3026\/\" \/>\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=\"2024-10-09T19:22:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-10-09T21:22:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/10\/powerwall-expansion-install.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\/pw3-expansion-installation-mb3026\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/pw3-expansion-installation-mb3026\/\"},\"author\":{\"name\":\"Michael Bloch\",\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/#\/schema\/person\/66afd571aa00c2e442f0192ebac2f6f1\"},\"headline\":\"Watch A Tesla Powerwall 3 Expansion Unit Installation\",\"datePublished\":\"2024-10-09T19:22:57+00:00\",\"dateModified\":\"2024-10-09T21:22:01+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/pw3-expansion-installation-mb3026\/\"},\"wordCount\":672,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/pw3-expansion-installation-mb3026\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/10\/powerwall-expansion-install.jpg\",\"articleSection\":[\"General Solar &amp; 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My February summary of the Powerwall 3's expected specs contained several 'to be confirmed' speculations. This blog post confirms that every speculation, besides the cell chemistry, was correct.\u2026","rel":"","context":"In &quot;Battery Storage&quot;","block_context":{"text":"Battery Storage","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/battery-storage\/"},"img":{"alt_text":"powerwall 3","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/04\/pw3-features-confirmed.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/04\/pw3-features-confirmed.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/04\/pw3-features-confirmed.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/04\/pw3-features-confirmed.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/04\/pw3-features-confirmed.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":81719,"url":"https:\/\/www.solarquotes.com.au\/blog\/powerwall-3-australia-latest\/","url_meta":{"origin":87478,"position":2},"title":"Powerwall 3: What To Expect When It Arrives In Australia","author":"Finn Peacock","date":"February 22, 2024","format":false,"excerpt":"Update: 16 August 2024 -Tesla Australia have launched the Powerwall 3 - read all about the launch here. Price: $13,600 including Gateway (Battery: $11,900, Gateway $1,700) That's $1,500 more than the PW2, but you are getting an integrated hybrid solar inverter configurable as either 5kW or 10kW. Separately that would\u2026","rel":"","context":"In &quot;Battery Storage&quot;","block_context":{"text":"Battery Storage","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/battery-storage\/"},"img":{"alt_text":"powerwall 3 and possum","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/02\/powerwall3-possum-magic.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/02\/powerwall3-possum-magic.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/02\/powerwall3-possum-magic.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/02\/powerwall3-possum-magic.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/02\/powerwall3-possum-magic.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":98132,"url":"https:\/\/www.solarquotes.com.au\/blog\/finally-tesla-powerwall-3-is-talking-to-its-father\/","url_meta":{"origin":87478,"position":3},"title":"Finally, Tesla Powerwall 3 Is Talking To Its Father","author":"Anthony Bennett","date":"March 6, 2026","format":false,"excerpt":"In a move widely wished and wildly anticipated, Tesla have finally answered the question all Powerwall 2 owners have been asking since August 2024: surely the new Powerwall 3 is compatible with the Powerwall 2? Well yes, it is now, almost. Is Powerwall 3 Compatible With Powerwall 2? 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We've had the launch. Selected retailers are humble bragging about their latest Tesla deliveries hitting the ground, and Tesla is running installer training to get everybody ready. I went along on Friday to see what we could glean. 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What gives? ---- Update 19 March, 2025: Solar Victoria has announced Tesla Powerwall 3 is now eligible under the Solar Homes Program.\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":"Tesla Powerwall 3 and Victoria's Solar Homes Program","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/02\/powerwall-3-victoria.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/02\/powerwall-3-victoria.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/02\/powerwall-3-victoria.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/02\/powerwall-3-victoria.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/02\/powerwall-3-victoria.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/posts\/87478","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=87478"}],"version-history":[{"count":17,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/posts\/87478\/revisions"}],"predecessor-version":[{"id":87496,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/posts\/87478\/revisions\/87496"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/media\/87479"}],"wp:attachment":[{"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/media?parent=87478"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/categories?post=87478"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.solarquotes.com.au\/blog\/wp-json\/wp\/v2\/tags?post=87478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}