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La richiesta di energia solare in Svizzera è diminuita lo scorso anno. Lo rende noto Swissolar secondo cui le vendite di collettori utilizzati per il calore sono calate del 15% e quelle dei pannelli per la corrente elettrica del 20%.
Il 2,5% del fabbisogno di corrente nella Confederazione è stato coperto attraverso queste energie, mentre nel caso del riscaldamento la quota è stata dello 0,6%, sottolinea l'associazione in un comunicato diramato venerdì.
I segnali per il futuro sono comunque positivi. L'aumento del prezzo dei combustibili e la diminuzione di quello dei dispositivi a energia solare rende, per i costruttori, sempre più attrattivo l'utilizzo di impianti alternativi. Inoltre, i contributi cantonali in questo settore sono aumentati e coprono ora il 20% della spesa totale di un impianto nuovo.
ATS/AnP
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