{"id":284750,"date":"2026-08-04T15:49:36","date_gmt":"2026-08-04T13:49:36","guid":{"rendered":"https:\/\/www.heiwit.com\/?p=284750"},"modified":"2026-08-04T17:17:12","modified_gmt":"2026-08-04T15:17:12","slug":"potenziale-fotovoltaico-tetti-pa-568-gw-753-twh","status":"publish","type":"post","link":"https:\/\/www.heiwit.com\/de\/potenziale-fotovoltaico-tetti-pa-568-gw-753-twh\/","title":{"rendered":"5,68 GW und 7,53 TWh auf D\u00e4chern der \u00f6ffentlichen Verwaltung: Ergebnisse und Bedeutung"},"content":{"rendered":"<div class=\"heiwit-pa-study\">\n<p class=\"heiwit-pa-lead\">Il modello Heiwit restituisce 5,68 GWp di capacit\u00e0 teorica e 7,53 TWh di produzione annua. Sono risultati di grande scala, ma non ancora indipendentemente replicati. Questa pagina li presenta con equivalenze corrette e con i limiti necessari.<\/p>\n<div class=\"heiwit-pa-kpis\">\n<div><strong>5,68 GWp<\/strong><span>potenza teorica dichiarata<\/span><\/div>\n<div><strong>7,53 TWh<\/strong><span>produzione annua dichiarata<\/span><\/div>\n<div><strong>2,41%<\/strong><span>della domanda elettrica italiana 2024<\/span><\/div>\n<div><strong>860 MW<\/strong><span>potenza media equivalente<\/span><\/div>\n<\/div>\n<div class=\"heiwit-pa-warning\"><strong>Nota di trasparenza.<\/strong> I valori 5,68 GW, 7,53 TWh\/anno e 6,8 miliardi di euro sono risultati dichiarati dal modello Heiwit. L\u2019audit documentale del 4 agosto 2026 non ha potuto replicarli integralmente perch\u00e9 nel materiale ricevuto mancavano dataset di dettaglio, codice, log delle API, output bootstrap, matching GSE e cash flow. Il limite \u00e8 esposto, non nascosto.<\/div>\n<section class=\"heiwit-pa-carousel-section\" aria-labelledby=\"heiwit-pa-carousel-3-title\">\n<h2 id=\"heiwit-pa-carousel-3-title\">Il capitolo in 8 slide<\/h2>\n<p class=\"heiwit-pa-carousel-intro\">Scorri il carosello originale realizzato per questo capitolo. Le immagini sono state ottimizzate per il web e caricate nella Libreria media di WordPress.<\/p>\n<div class=\"heiwit-pa-carousel\" data-heiwit-carousel tabindex=\"0\" aria-roledescription=\"carosello\" aria-label=\"5,68 GW und 7,53 TWh auf D\u00e4chern der \u00f6ffentlichen Verwaltung: Ergebnisse und Bedeutung\"><span class=\"heiwit-pa-carousel-badge\">Slide originali \u00b7 dati auditati nel testo<\/span><\/p>\n<div class=\"heiwit-pa-carousel-viewport\" data-carousel-viewport>\n<div class=\"heiwit-pa-carousel-track\">\n<figure class=\"heiwit-pa-carousel-slide\" data-carousel-slide aria-label=\"Slide 1 di 8\"><img width=\"819\" height=\"1024\" src=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-01-2-819x1024.webp\" class=\"heiwit-pa-carousel-image\" alt=\"Il potenziale fotovoltaico dichiarato dei tetti pubblici italiani: 5,68 GW\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-01-2-819x1024.webp 819w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-01-2-240x300.webp 240w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-01-2-768x960.webp 768w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-01-2.webp 1200w\" sizes=\"(max-width: 819px) 100vw, 819px\" \/><figcaption><span>1\/8<\/span>Il potenziale fotovoltaico dichiarato dei tetti pubblici italiani: 5,68 GW<\/figcaption><\/figure>\n<figure class=\"heiwit-pa-carousel-slide\" data-carousel-slide aria-label=\"Slide 2 di 8\"><img width=\"819\" height=\"1024\" src=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-02-2-819x1024.webp\" class=\"heiwit-pa-carousel-image\" alt=\"Stima nazionale della capacit\u00e0 fotovoltaica installabile\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-02-2-819x1024.webp 819w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-02-2-240x300.webp 240w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-02-2-768x960.webp 768w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-02-2.webp 1200w\" sizes=\"(max-width: 819px) 100vw, 819px\" \/><figcaption><span>2\/8<\/span>Stima nazionale della capacit\u00e0 fotovoltaica installabile<\/figcaption><\/figure>\n<figure class=\"heiwit-pa-carousel-slide\" data-carousel-slide aria-label=\"Slide 3 di 8\"><img width=\"819\" height=\"1024\" src=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-03-2-819x1024.webp\" class=\"heiwit-pa-carousel-image\" alt=\"Produzione annua associata dichiarata: 7,53 TWh\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-03-2-819x1024.webp 819w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-03-2-240x300.webp 240w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-03-2-768x960.webp 768w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-03-2.webp 1200w\" sizes=\"(max-width: 819px) 100vw, 819px\" \/><figcaption><span>3\/8<\/span>Produzione annua associata dichiarata: 7,53 TWh<\/figcaption><\/figure>\n<figure class=\"heiwit-pa-carousel-slide\" data-carousel-slide aria-label=\"Slide 4 di 8\"><img width=\"819\" height=\"1024\" src=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-04-2-819x1024.webp\" class=\"heiwit-pa-carousel-image\" alt=\"Equivalenza indicativa con i consumi elettrici delle famiglie\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-04-2-819x1024.webp 819w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-04-2-240x300.webp 240w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-04-2-768x960.webp 768w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-04-2.webp 1200w\" sizes=\"(max-width: 819px) 100vw, 819px\" \/><figcaption><span>4\/8<\/span>Equivalenza indicativa con i consumi elettrici delle famiglie<\/figcaption><\/figure>\n<figure class=\"heiwit-pa-carousel-slide\" data-carousel-slide aria-label=\"Slide 5 di 8\"><img width=\"819\" height=\"1024\" src=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-05-2-819x1024.webp\" class=\"heiwit-pa-carousel-image\" alt=\"Confronto con la produzione annua di una centrale a gas\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-05-2-819x1024.webp 819w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-05-2-240x300.webp 240w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-05-2-768x960.webp 768w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-05-2.webp 1200w\" sizes=\"(max-width: 819px) 100vw, 819px\" \/><figcaption><span>5\/8<\/span>Confronto con la produzione annua di una centrale a gas<\/figcaption><\/figure>\n<figure class=\"heiwit-pa-carousel-slide\" data-carousel-slide aria-label=\"Slide 6 di 8\"><img width=\"819\" height=\"1024\" src=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-06-2-819x1024.webp\" class=\"heiwit-pa-carousel-image\" alt=\"Il peso delle scuole nel potenziale stimato\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-06-2-819x1024.webp 819w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-06-2-240x300.webp 240w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-06-2-768x960.webp 768w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-06-2.webp 1200w\" sizes=\"(max-width: 819px) 100vw, 819px\" \/><figcaption><span>6\/8<\/span>Il peso delle scuole nel potenziale stimato<\/figcaption><\/figure>\n<figure class=\"heiwit-pa-carousel-slide\" data-carousel-slide aria-label=\"Slide 7 di 8\"><img width=\"819\" height=\"1024\" src=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-07-2-819x1024.webp\" class=\"heiwit-pa-carousel-image\" alt=\"Gli ospedali: meno strutture ma maggiore intensit\u00e0 media\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-07-2-819x1024.webp 819w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-07-2-240x300.webp 240w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-07-2-768x960.webp 768w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-07-2.webp 1200w\" sizes=\"(max-width: 819px) 100vw, 819px\" \/><figcaption><span>7\/8<\/span>Gli ospedali: meno strutture ma maggiore intensit\u00e0 media<\/figcaption><\/figure>\n<figure class=\"heiwit-pa-carousel-slide\" data-carousel-slide aria-label=\"Slide 8 di 8\"><a class=\"heiwit-pa-carousel-report-link\" href=\"https:\/\/www.heiwit.com\/de\/studio-potenziale-fotovoltaico-tetti-pubblica-amministrazione\/\" aria-label=\"Vai alla pagina principale dello studio\"><img width=\"819\" height=\"1024\" src=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-08-2-819x1024.webp\" class=\"heiwit-pa-carousel-image\" alt=\"Ripartizione per macroarea, tipologia e regione\" loading=\"lazy\" decoding=\"async\" srcset=\"https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-08-2-819x1024.webp 819w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-08-2-240x300.webp 240w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-08-2-768x960.webp 768w, https:\/\/www.heiwit.com\/wp-content\/uploads\/2026\/08\/slide-08-2.webp 1200w\" sizes=\"(max-width: 819px) 100vw, 819px\" \/><\/a><figcaption><span>8\/8<\/span>Ripartizione per macroarea, tipologia e regione<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<p><button class=\"heiwit-pa-carousel-control prev\" type=\"button\" data-carousel-prev aria-label=\"Mostra la slide precedente\"><span aria-hidden=\"true\">\u2039<\/span><\/button><button class=\"heiwit-pa-carousel-control next\" type=\"button\" data-carousel-next aria-label=\"Mostra la slide successiva\"><span aria-hidden=\"true\">\u203a<\/span><\/button><\/p>\n<div class=\"heiwit-pa-carousel-footer\">\n<div class=\"heiwit-pa-carousel-dots\" data-carousel-dots role=\"tablist\" aria-label=\"Seleziona una slide\"><button type=\"button\" data-carousel-dot=\"0\" role=\"tab\" aria-label=\"Vai alla slide 1\" aria-selected=\"true\"><\/button><button type=\"button\" data-carousel-dot=\"1\" role=\"tab\" aria-label=\"Vai alla slide 2\" aria-selected=\"false\"><\/button><button type=\"button\" data-carousel-dot=\"2\" role=\"tab\" aria-label=\"Vai alla slide 3\" aria-selected=\"false\"><\/button><button type=\"button\" data-carousel-dot=\"3\" role=\"tab\" aria-label=\"Vai alla slide 4\" aria-selected=\"false\"><\/button><button type=\"button\" data-carousel-dot=\"4\" role=\"tab\" aria-label=\"Vai alla slide 5\" aria-selected=\"false\"><\/button><button type=\"button\" data-carousel-dot=\"5\" role=\"tab\" aria-label=\"Vai alla slide 6\" aria-selected=\"false\"><\/button><button type=\"button\" data-carousel-dot=\"6\" role=\"tab\" aria-label=\"Vai alla slide 7\" aria-selected=\"false\"><\/button><button type=\"button\" data-carousel-dot=\"7\" role=\"tab\" aria-label=\"Vai alla slide 8\" aria-selected=\"false\"><\/button><\/div>\n<div class=\"heiwit-pa-carousel-counter\" aria-live=\"polite\"><span data-carousel-current>1<\/span><span aria-hidden=\"true\"> \/ <\/span>8<\/div>\n<\/div>\n<p class=\"heiwit-pa-carousel-hint\">Su smartphone scorri lateralmente. Da tastiera usa le frecce destra e sinistra.<\/p>\n<div class=\"heiwit-pa-carousel-audit\"><strong>Nota di audit del carosello.<\/strong> La slide della centrale a gas arrotonda la potenza media equivalente a circa 900 MW. Il calcolo aggiornato riportato nell\u2019articolo \u00e8 circa 860 MW.<\/div>\n<\/div>\n<\/section>\n<h2>Il dato nazionale<\/h2>\n<p>Il modello dichiara 5,68 GWp, con intervallo campionario 5,53\u20135,83 GW, e 7,53 TWh\/anno, con intervallo 7,32\u20137,74 TWh. L\u2019audit non ha potuto rigenerare questi valori. Gli intervalli, inoltre, non incorporano le principali incertezze del frame e delle API.<\/p>\n<p>Per comprendere l\u2019ordine di grandezza, 7,53 TWh corrisponderebbero al 2,41% della domanda elettrica italiana 2024 di 312,285 TWh. Dividendo per 8.760 ore si ottengono circa 860 MW medi continui. \u00c8 un\u2019equivalenza energetica, non il profilo reale di una fonte fotovoltaica intermittente.<\/p>\n<h2>Distribuzione per macroarea<\/h2>\n<table>\n<thead>\n<tr>\n<th>Macroarea<\/th>\n<th>Potenza dichiarata<\/th>\n<th>Produzione dichiarata<\/th>\n<th>Quota energia<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Nord-Ovest<\/td>\n<td>1,62 GW<\/td>\n<td>2,04 TWh<\/td>\n<td>27,1%<\/td>\n<\/tr>\n<tr>\n<td>Nord-Est<\/td>\n<td>1,47 GW<\/td>\n<td>1,84 TWh<\/td>\n<td>24,4%<\/td>\n<\/tr>\n<tr>\n<td>Centro<\/td>\n<td>1,04 GW<\/td>\n<td>1,40 TWh<\/td>\n<td>18,6%<\/td>\n<\/tr>\n<tr>\n<td>Sud<\/td>\n<td>0,97 GW<\/td>\n<td>1,37 TWh<\/td>\n<td>18,2%<\/td>\n<\/tr>\n<tr>\n<td>Isole<\/td>\n<td>0,58 GW<\/td>\n<td>0,88 TWh<\/td>\n<td>11,7%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Nord-Ovest e Nord-Est concentrano insieme il 54,4% della potenza e il 51,5% della produzione modellata. La differenza dipende dalla maggiore producibilit\u00e0 specifica del Centro-Sud. I dati regionali dichiarati \u2014 per esempio Lombardia circa 900 MW e Veneto 750 MW \u2014 restano provvisori finch\u00e9 non sar\u00e0 pubblicato il dataset regionale.<\/p>\n<h2>Distribuzione per funzione<\/h2>\n<table>\n<thead>\n<tr>\n<th>Tipologia<\/th>\n<th>Numerosit\u00e0 nel frame<\/th>\n<th>Potenza dichiarata<\/th>\n<th>Produzione dichiarata<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Scuole<\/td>\n<td>24.244<\/td>\n<td>3,68 GW<\/td>\n<td>4,92 TWh<\/td>\n<\/tr>\n<tr>\n<td>Ospedali<\/td>\n<td>4.868<\/td>\n<td>0,90 GW<\/td>\n<td>1,17 TWh<\/td>\n<\/tr>\n<tr>\n<td>Altri PA<\/td>\n<td>6.067<\/td>\n<td>0,66 GW<\/td>\n<td>0,86 TWh<\/td>\n<\/tr>\n<tr>\n<td>Municipi<\/td>\n<td>6.075<\/td>\n<td>0,44 GW<\/td>\n<td>0,58 TWh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Le scuole pesano per circa il 65% della producibilit\u00e0 dichiarata, principalmente per la numerosit\u00e0. Gli ospedali emergono invece per la taglia media potenzialmente elevata e per carichi pi\u00f9 continui. La descrizione geometrica dei tetti come mediamente piani e poco ostruiti va per\u00f2 verificata sui dati e non pu\u00f2 essere generalizzata a tutti gli immobili.<\/p>\n<h2>Equivalenze da usare con cautela<\/h2>\n<p>Assumendo 2.700 kWh di consumo domestico annuo, 7,53 TWh equivalgono aritmeticamente a circa 2,79 milioni di famiglie. Il confronto \u00e8 illustrativo: non implica che l\u2019energia sia disponibile negli stessi luoghi e orari dei consumi domestici.<\/p>\n<h2>Perch\u00e9 il risultato resta potente anche con i limiti<\/h2>\n<p>Il valore dello studio non dipende dall\u2019esibire una cifra senza margini di errore. Dipende dalla possibilit\u00e0 di passare da un frame nazionale a una lista di edifici prioritari, con dati solari, profili di carico, vincoli e fattibilit\u00e0. La replica render\u00e0 il dato pi\u00f9 forte, non pi\u00f9 debole.<\/p>\n<div class=\"heiwit-pa-series\"><strong>Serie completa<\/strong><\/p>\n<ol>\n<li><a href=\"https:\/\/www.heiwit.com\/de\/fotovoltaico-tetti-pubblici-pniec-2030\/\">Tetti pubblici e PNIEC 2030<\/a><\/li>\n<li><a href=\"https:\/\/www.heiwit.com\/de\/metodo-stima-potenziale-fotovoltaico-edifici-pubblici\/\">Come \u00e8 stato costruito il modello<\/a><\/li>\n<li><a href=\"https:\/\/www.heiwit.com\/de\/potenziale-fotovoltaico-tetti-pa-568-gw-753-twh\/\">5,68 GW e 7,53 TWh: risultati e significato<\/a><\/li>\n<li><a href=\"https:\/\/www.heiwit.com\/de\/costo-fotovoltaico-tetti-pubblici-capex-lcoe\/\">Economia dell\u2019intervento<\/a><\/li>\n<li><a href=\"https:\/\/www.heiwit.com\/de\/pubblica-amministrazione-autosufficienza-energia-fotovoltaico\/\">Energia, autoconsumo ed emissioni<\/a><\/li>\n<li><a href=\"https:\/\/www.heiwit.com\/de\/piano-operativo-fotovoltaico-edifici-pubblici\/\">Dal potenziale al piano operativo<\/a><\/li>\n<\/ol>\n<\/div>\n<aside class=\"heiwit-pa-cta\">\n<h2>Consulta lo studio completo<\/h2>\n<p>Metodologia, risultati, limiti dell\u2019audit e tutti gli approfondimenti sono raccolti nella pagina principale dello studio Heiwit.<\/p>\n<div class=\"heiwit-pa-cta-actions\"><a class=\"heiwit-pa-button\" href=\"https:\/\/www.heiwit.com\/de\/studio-potenziale-fotovoltaico-tetti-pubblica-amministrazione\/\">Vai allo studio completo<\/a><a class=\"heiwit-pa-button secondary\" href=\"https:\/\/www.heiwit.com\/de\/kontaktieren-sie-uns\/\">Contatta Heiwit<\/a><\/div>\n<\/aside>\n<div class=\"heiwit-pa-sources\">\n<h2>Fonti e attribuzioni<\/h2>\n<ul>\n<li><a href=\"https:\/\/download.terna.it\/terna\/Monthly%20Report%20on%20the%20Electricity%20System_august_25_8deb105fc498315.pdf\" target=\"_blank\" rel=\"noopener\">Terna \u2014 dati del sistema elettrico italiano 2024<\/a><\/li>\n<li><a href=\"https:\/\/www.mase.gov.it\/portale\/documents\/d\/guest\/pniec_2024_revfin_01072024-pdf\" target=\"_blank\" rel=\"noopener\">MASE \u2014 Piano Nazionale Integrato per l\u2019Energia e il Clima, versione definitiva 2024<\/a><\/li>\n<li><a href=\"https:\/\/www.gse.it\/documenti_site\/Documenti%20GSE\/Rapporti%20statistici\/Solare%20Fotovoltaico%20-%20Rapporto%20Statistico%202024.pdf\" target=\"_blank\" rel=\"noopener\">GSE \u2014 Rapporto Statistico Solare Fotovoltaico 2024<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Die vom Heiwit-Modell deklarierten technischen Ergebnisse, die Verteilung nach Gebiet und Typ sowie die korrekten Entsprechungen.<\/p>","protected":false},"author":1,"featured_media":284741,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","content-type":"","footnotes":""},"categories":[122],"tags":[136,135,88,134,133],"class_list":["post-284750","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-studi-e-ricerche","tag-dati-energetici","tag-energia-rinnovabile","tag-fotovoltaico","tag-ospedali","tag-scuole"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - 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