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Portugal powered solely by renewables last weekend
(www.pv-magazine.com)
This is a most excellent place for technology news and articles.
My latest one looks different (100% renewable), so I guess it depends on which provider you’re using or the region you live in?
It depends on those factors and a few others. You can also pay extra to ensure your electricity comes from all renewable sources. The so-called "Garantias de Origem" (guarantee of origin).