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La Commissione europea sta valutando l'ipotesi di abolire il cambiamento tra ora solare e ora legale per mantenere unicamente una delle due. Il cambio fu introdotto per risparmiare energia, soprattutto considerata la carenza di carbone durante la Prima guerra mondiale, e fu adottato definitivamente solo nel 1981 dalla Svizzera, il cui fabbisogno era garantito dagli impianti idroelettrici. Quale sarebbe l'impatto oggi sulla disponibilità di energia?
"Il consumo relativo all’illuminazione è relativamente basso e questo spostamento sposterebbe di poco i relativi risparmi" - ha spiegato Mirco Moser, capo dell'Ufficio aria, clima ed energie rinnovabili del cantone (UACER) - "L'impiego maggiore è dato soprattutto dagli apparecchi elettronici presenti sia nelle economie domestiche che negli uffici".
Le necessità nel corso dei decenni sono però cambiate e l’evoluzione tecnologica ha creato apparecchi che hanno una minore richiesta energetica.
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