{"id":2866,"date":"2026-07-17T15:39:27","date_gmt":"2026-07-17T13:39:27","guid":{"rendered":"https:\/\/www.bagnone.com\/portfolio\/20-kwp-solar-pv-system-for-a-social-housing-building-la-spezia\/"},"modified":"2026-09-02T09:36:16","modified_gmt":"2026-09-02T07:36:16","slug":"20-kwp-solar-pv-system-for-a-social-housing-building-la-spezia","status":"publish","type":"portfolio","link":"https:\/\/www.bagnone.com\/en\/portfolio\/20-kwp-solar-pv-system-for-a-social-housing-building-la-spezia\/","title":{"rendered":"20 kWp solar PV system for a social housing building"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Installation of a 20 kWp three-phase solar PV system serving a social housing building in La Spezia, consisting of 40 Trina Solar 500 W modules installed on a tiled roof using a certified W\u00fcrth mounting system, with dedicated hooks that preserve the integrity and weatherproofing of the roof covering.<\/p>\n\n<p class=\"wp-block-paragraph\">Power conversion is handled by a 20 kW three-phase inverter, with weatherproof field and parallel switchboards and complete protection on both sides of the system: surge protection devices on the DC and grid sides, isolation and string protection with dedicated fuses. Since the system has a rated power above 11.08 kW, an external interface protection system with a CEI 0-21 certified relay was installed, as required by regulations for grid connection. Roof work was carried out using perimeter scaffolding and fall-protection systems, in full compliance with construction site safety regulations. The project was completed with management of the entire grid connection procedure and commissioning.   <\/p>\n\n<p class=\"wp-block-paragraph\">Clean energy supporting social housing: a system sized to reduce the residential complex&#8217;s energy costs, installed in full compliance with current regulations.<\/p>\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"featured_media":2865,"template":"","meta":{"_acf_changed":false},"tipo-di-progetto":[39],"class_list":["post-2866","portfolio","type-portfolio","status-publish","has-post-thumbnail","hentry","tipo-di-progetto-photovoltaic-systems"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>20 kWp solar PV system for a social housing building La Spezia | Imprese Bagnone<\/title>\n<meta name=\"description\" content=\"Impianto fotovoltaico trifase 20 kWp con 40 moduli Trina Solar per un edificio di social housing a La Spezia. 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