In Japan, and soon in Belgium too, "energy islands" are built in the sea to store wind energy. http://rt.com/news/belgium-battery-island-renewable-319/ http://

In Japan, and soon in Belgium too, "energy islands" are built in the sea to store wind energy. http://rt.com/news/belgium-battery-island-renewable-319/ http://rt.com/news/belgium-battery-island-renewable-319/ (P.S. I couldn't immediately find any more reputable English speaking news source for this. Oh well, on this sort of fairly neutral subject, rt.con seem to do quite well.)