Fossil Future's @AlexEpstein on where he agrees with Elon: "There are interesting things you can do with batteries. This I'm in agreement with Elon on." "You can build batteries and charge them off-peak. People think you need solar and wind to go with batteries, but actually, the easiest way to deal with batteries and the way most batteries get charged today is, you have a reliable source of energy, and you charge it off-peak." "You can run your nuclear power plant at night and charge batteries, and then for a few hours, you'll have those batteries to meet peak demand." "You can also uprate natural gas plants. A lot of the natural gas plants in the country were built a generation or two ago, and they might get 30% less capacity than a new natural gas plant... in many cases, you can actually add capacity to hundreds and hundreds of existing gas plants."