Pumped storage is not a total solution. But in the areas where it works, it works very well and cheaply. Do pumped storage everywhere you can, and fill in every

Pumped storage is not a total solution. But in the areas where it works, it works very well and cheaply. Do pumped storage everywhere you can, and fill in everywhere you can't with other options. By the time we get close to fully intermittent energy sources, pumped storage won't be nearly enough. But while we still have peaker natural gas plants around, every pumped storage site helps reduce emissions.