Your own link has a link showing California is already running into these problems you say are not problems: http://ww2.kqed.org/science/2016/04/04/what-will-ca

Your own link has a link showing California is already running into these problems you say are not problems: http://ww2.kqed.org/science/2016/04/04/what-will-california-do-with-too-much-solar/ http://ww2.kqed.org/science/2016/04/04/what-will-california-... Batteries are obviously not the only solution - a more connected grid would push the problem into the future, but to claim this is not a relevant problem is ignoring something that is already manifesting.