
As advanced energy has, well, advanced over the past few decades, the conversation has advanced as well. Whereas in decades past the challenge was convincing folks that solar and wind could power anything larger than a 17th century grain mill, the challenge now is getting past the notion that the power grid can handle only so much wind and solar, which are variable resources. But that idea, too, is starting to go the way of the windmills of yore. So says the Wall Street Journal.



