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A huge battery has replaced Hawaii's last coal plant
(www.canarymedia.com)
This is a most excellent place for technology news and articles.
They did talk about that. The article said that in some cases solar producers have had to curtail production because the thermal plants needed to keep running. Solar will generate a lot during the day that might not otherwise be used, the battery allows that surplus to be stored until it's needed. They also mentioned that more solar projects are being constructed.