> Excess solar input with low demand means the spinning generator has insuf= ficient load to > maintain minimum output. As noted in one of the articles, they used to wo= rry about excess > demand. Now they worry about insufficient demand. Maybe they could supply the island of Sark in the English Channel; ... https://www.theguardian.com/uk-news/2018/nov/30/sark-agrees-deal-with-power= -supplier-to-avert-blackout --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .