Grid-Scale Storage: Smooth Operators

Matching output to demand is hard with wind and solar power. The answer is to store surplus juice on the grid until it is needed ON OCTOBER 28th a battery factory opened in Concord, North Carolina. That was good for an area which has seen dark economic times, but the event made few headlines. Perhaps it should have made more, though, for this factory's owner, Alevo, a Swiss company, is not in the business of manufacturing cells for torches, mobile phones or even laptop computers. Rather, it is m...