Supply-side storage--batteries, etc.--is definitely part of the solution, but demand-side "storage" is even cheaper and better. It's summer, it's hot, you set

Supply-side storage--batteries, etc.--is definitely part of the solution, but demand-side "storage" is even cheaper and better. It's summer, it's hot, you set your smart thermostat to 72. It gets really sunny and hot, so excess solar is being generated, so your smart thermostat _lowers_ the temperature to 71. Your _house_ is the "battery"! Cold weather, when you wanna generate heat, is more difficult to do demand-side, because most heat generation in the US is natural gas, propane, or heating oil (diesel). But for a lot of U.S., heat pumps for heat make economic sense, and I already see a lot of them below the Washington, DC longitudinal line. They'll make even more sense when lots of wind and solar come online. --- This kind of demand-side adjustment got a really bad rap during the Texas power grid failure this past year. But that was the _reverse_ of what I'm talking about, _lowering_ the temperature during excess wind/solar generation.