現在家庭太陽能發電都可以給電網送電，好的情況電費的bill會有credit的，電費貴的地方是省錢的方式。

來源: yy2013 於 2014-11-14 16:06:07 [舊帖] [給我悄悄話] 本文已被閱讀：次

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