I find numbers indicating 60% over a full year, but there have been stretches in winter where 100% was covered by renewable energy (wind power). https://en.wiki

I find numbers indicating 60% over a full year, but there have been stretches in winter where 100% was covered by renewable energy (wind power). https://en.wikipedia.org/wiki/El_Hierro#Energy https://en.wikipedia.org/wiki/El_Hierro#Energy (German wikipedia has newer numbers). A good step in the right direction nevertheless compared to "previously spent on about 40,000 barrels of crude oil imported annually"