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Le rinnovabili sono sempre più convenienti, sotto vari aspetti. Ne è convinto l’Ufficio federale dell’energia che, per promuovere ulteriormente gli investimenti in questo settore, ha realizzato e messo in rete un portale attraverso il quale è possibile conoscere il potenziale di sfruttamento dei tetti degli edifici.
In pratica, con un solo clic è possibile controllare se le abitazioni sono adatte allo sfruttamento dell'energia solare e quanta produzione elettrica o termica potrebbero realizzare. Il sito, “tettosolare.ch”, propone attualmente informazioni sul 50% del parco immobiliare esistente nella Confederazione; entro il 2018 l’offerta sarà estesa a tutto il paese.
Un progetto simile è già stato realizzato in Ticino dove, già da qualche anno, esiste uno strumento simile noto anche come “mappatura solare”. Iniziative analoghe sono state promosse anche a livello comunale.
ATS/bin
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