{"id":23397,"date":"2025-07-14T05:30:00","date_gmt":"2025-07-14T03:30:00","guid":{"rendered":"https:\/\/silla.industries\/ricarica-auto-elettrica-fotovoltaico-senza-rete\/"},"modified":"2026-05-06T09:56:28","modified_gmt":"2026-05-06T07:56:28","slug":"ricarica-auto-elettrica-fotovoltaico-senza-rete","status":"publish","type":"post","link":"https:\/\/silla.industries\/en\/ricarica-auto-elettrica-fotovoltaico-senza-rete\/","title":{"rendered":"Electric car charging with photovoltaics: how to do it grid-less and save 100%"},"content":{"rendered":"\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p class=\"wp-block-paragraph\">According to the instant survey &#8220;What do users think about electric cars?&#8221;<a href=\"https:\/\/www.repower.com\/media\/20rjm53u\/wp-viii-edizione-repower-2024.pdf\" target=\"_blank\" rel=\"noopener\">(Repower, 2024<\/a>), <strong>57 percent of Italian owners routinely recharge in their garage or parking space<\/strong>. In other words, <strong>home charging of electric cars<\/strong> is already the norm for the majority of eco-drivers. With a PV system and a smart wallbox, this habit can turn into total energy independence.    <\/p>\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"684\" src=\"https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/prism-solar-fotovoltaico-1024x684.jpg\" alt=\"Prism solar and photovoltaics\" class=\"wp-image-20502\" srcset=\"https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/prism-solar-fotovoltaico-1024x684.jpg 1024w, https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/prism-solar-fotovoltaico-600x401.jpg 600w, https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/prism-solar-fotovoltaico-300x201.jpg 300w, https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/prism-solar-fotovoltaico-768x513.jpg 768w, https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/prism-solar-fotovoltaico.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\">How solar charging works<\/h2>\n\n<p class=\"wp-block-paragraph\"><strong>A photovoltaic system generates direct current<\/strong><em>(DC<\/em>) <strong>electricity<\/strong> <strong>by harnessing solar radiation.<\/strong> This energy, through an <strong>inverter<\/strong>, is <strong>converted to alternating current<\/strong> (AC) <strong>compatible with household consumers<\/strong>, including <strong>electric vehicle charging systems.<\/strong> <\/p>\n\n<p class=\"wp-block-paragraph\">If the system is active during sunshine hours and production exceeds the instantaneous consumption of the home, it is possible to <strong>use that surplus to recharge the electric car directly, avoiding grid withdrawal.<\/strong><\/p>\n\n<h3 class=\"wp-block-heading\">What it takes to recharge your car with your photovoltaic system<\/h3>\n\n<p class=\"wp-block-paragraph\">To take full advantage of solar energy in home charging, we need:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>A<strong> photovoltaic system<\/strong> of adequate power (generally <strong>3 to 6 kW<\/strong> as the minimum threshold).<\/li>\n\n\n\n<li><strong>A smart wallbox compatible with photovoltaic integration<\/strong>, equipped with specific charging modes such as &#8220;<em>Solar<\/em>&#8221; or &#8220;<em>Solar surplus<\/em>.&#8221;<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">These technologies enable the column to recognize and use available solar energy in real time.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"684\" src=\"https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/ricarica-auto-elettrica-fotovoltaico-senza-rete-1024x684.jpg\" alt=\"Gridless photovoltaic electric car charging\" class=\"wp-image-20506\" srcset=\"https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/ricarica-auto-elettrica-fotovoltaico-senza-rete-1024x684.jpg 1024w, https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/ricarica-auto-elettrica-fotovoltaico-senza-rete-600x401.jpg 600w, https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/ricarica-auto-elettrica-fotovoltaico-senza-rete-300x201.jpg 300w, https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/ricarica-auto-elettrica-fotovoltaico-senza-rete-768x513.jpg 768w, https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/ricarica-auto-elettrica-fotovoltaico-senza-rete.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\">&#8220;Solar&#8221; recharging for intelligent surplus management<\/h2>\n\n<p class=\"wp-block-paragraph\"><strong>Photovoltaic self-consumption compatible wallboxes<\/strong> adopt a dynamic logic: they analyze instantaneous solar production and detect the share of energy not used by other household loads-the so-called &#8220;<em>surplus<\/em>.&#8221;<\/p>\n\n<p class=\"wp-block-paragraph\">If there is sufficient surplus, energy is directed to the car. If the surplus is insufficient, charging can be suspended or supplemented partially from the grid, depending on the set configuration. <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Advanced systems such as Silla Industries&#8217; Prism Solar allow for minimum and maximum thresholds to be set, intelligently automating the entire process.<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">In Italy, bonuses and tax deductions are available for the installation of photovoltaic systems and home charging systems: find out about current regulations to further reduce purchase and installation costs.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"427\" src=\"https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/ricarica-solare-auto-elettrica-come-funziona-1024x427.png\" alt=\"Solar electric car charging how it works\" class=\"wp-image-20514\" srcset=\"https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/ricarica-solare-auto-elettrica-come-funziona-1024x427.png 1024w, https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/ricarica-solare-auto-elettrica-come-funziona-600x250.png 600w, https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/ricarica-solare-auto-elettrica-come-funziona-300x125.png 300w, https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/ricarica-solare-auto-elettrica-come-funziona-768x320.png 768w, https:\/\/silla.industries\/wp-content\/uploads\/2025\/07\/ricarica-solare-auto-elettrica-come-funziona.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Solar electric car charging how it works<\/figcaption><\/figure>\n\n<h3 class=\"wp-block-heading\">What happens when the sun is not enough: hybrid solutions and storage<\/h3>\n\n<p class=\"wp-block-paragraph\">PV production is naturally variable: cloudiness, shading, and evening hours can reduce the availability of solar energy.<\/p>\n\n<p class=\"wp-block-paragraph\">In such cases, <strong>an intelligent wallbox can manage mixed charging modes<\/strong>, combining solar and grid power according to user-defined priorities. For example: exclusively solar charging when available or scheduled charging during advantageous time slots. <\/p>\n\n<p class=\"wp-block-paragraph\">In the presence of a <a href=\"https:\/\/www.sorgenia.it\/guida-energia\/fotovoltaico-con-accumulo\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">storage system<\/a><em>(home battery<\/em>), it is also possible to use the energy stored during sunshine hours to recharge at night.<\/p>\n\n<h2 class=\"wp-block-heading\">Why choose a PV-compatible wallbox: 4 concrete advantages<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>Economic savings<\/strong>: it reduces or cancels the withdrawal from the grid, lowering costs in the bill.<\/li>\n\n\n\n<li><strong>Zero emissions<\/strong>: solar energy is clean and renewable.<\/li>\n\n\n\n<li><strong>Smart control<\/strong>: smart systems allow charging to be optimized according to production and user needs.<\/li>\n\n\n\n<li><strong>Energy independence<\/strong>: the car becomes an extension of one&#8217;s domestic micro-grid.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Smart solutions for photovoltaic electric car charging<\/h2>\n\n<p class=\"wp-block-paragraph\"><strong>Wallboxes <\/strong><strong><em>Prism Solar<\/em><\/strong><strong> and the portable charger <\/strong><strong><em>Homer<\/em><\/strong><strong> from Silla Industries natively support charging with photovoltaic energy thanks to the &#8220;Solar&#8221; mode.<\/strong> Through wired sensors or <em>Chain2<\/em> wireless technology, these devices can detect the availability of solar energy in real time (including from battery storage) and start charging the vehicle only when a surplus is present, avoiding unnecessary drawdown from the grid.   <\/p>\n\n<h3 class=\"wp-block-heading\">Save up to 100% on utility bills with smart solar charging<\/h3>\n\n<p class=\"wp-block-paragraph\">All you need is a PV system and a wallbox or compatible charger.<\/p>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/silla.industries\/en\/solar-en-2\/\">Buy now Prism<\/a> Solar, the smart wallbox for solar charging.<br\/><a href=\"https:\/\/silla.industries\/homer-caricatore-portatile\/\">Discover Homer<\/a>, photovoltaic charging even on the go.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Home charging of electric cars is already the norm for most eco-drivers. With a photovoltaic system and a smart wallbox, this habit can turn into total energy independence.   <\/p>\n","protected":false},"author":30,"featured_media":20503,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"templates\/template-cover.php","format":"standard","meta":{"footnotes":""},"categories":[703],"tags":[931,1039,624,303],"class_list":["post-23397","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guide-en","tag-electric-car","tag-photovoltaic","tag-prism-solar-en","tag-silla-industries-en"],"_links":{"self":[{"href":"https:\/\/silla.industries\/en\/wp-json\/wp\/v2\/posts\/23397","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/silla.industries\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/silla.industries\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/silla.industries\/en\/wp-json\/wp\/v2\/users\/30"}],"replies":[{"embeddable":true,"href":"https:\/\/silla.industries\/en\/wp-json\/wp\/v2\/comments?post=23397"}],"version-history":[{"count":0,"href":"https:\/\/silla.industries\/en\/wp-json\/wp\/v2\/posts\/23397\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/silla.industries\/en\/wp-json\/wp\/v2\/media\/20503"}],"wp:attachment":[{"href":"https:\/\/silla.industries\/en\/wp-json\/wp\/v2\/media?parent=23397"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/silla.industries\/en\/wp-json\/wp\/v2\/categories?post=23397"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/silla.industries\/en\/wp-json\/wp\/v2\/tags?post=23397"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}