Many Western states have declared they will achieve all-renewable electrical goals in just two decades. Call me naïve, but haven’t energy experts predicted that wind, sun and other alternative energy sources aren’t up to the job?

Alice Jackson, former CEO of Xcel energy’s Colorado operation, was blunt at a renewable energy conference in February 2020: “We can reliably run our grid with up to 70% renewables. Add batteries to the mix and that number goes up to just 72%.”