One of the most significant limiting factors of renewable energy sources, like wind and solar, is intermittency. When the wind isn’t blowing or sun shining, there’s no generation. This is why billionaires like Bill Gates, Jeff Bezos, and Richard Branson are all looking for a way to store energy and are investing heavily in grid-scale battery research. In this episode, Dave Whitehead talks with Brian Starling, from Dominion Energy, about a different kind of battery—the Bath County Pumped Storage Station, which is often referred to as the biggest battery in the world.