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Lo Stato della California imporrà l'installazione di pannelli fotovoltaici su tutte le nuove case a partire dal 2020. Come riferisce un quotidiano locale la Commissione Energia statale voterà domani, 9 maggio, i nuovi standard energetici per le abitazioni.
Il provvedimento prevede che dal 1° gennaio 2020 le concessioni edilizie per tutte le case nuove fino a tre piani saranno rilasciate solo se i progetti prevedranno l'installazione di pannelli solari. Inoltre gli edifici commerciali o abitativi, appena costruiti, dovranno disporre di colonnine di ricarica elettrica per almeno il 10% dei parcheggi.
L'obiettivo è arrivare al "net-zero-energy", ovvero contare su case che non richiedono più energia dalla rete. Secondo diversi esperti immobiliari, i nuovi standard energetici californiani faranno aumentare in media di 25’000-30’000 dollari il costo delle case, ma porteranno anche a un risparmio energetico da 50'000 a 60'000 dollari nei primi 25 anni di vita dei pannelli.
ANSA/Reuters/AP/EnCa
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