> The additional pumped storage needs of solar and wind are more than offset by their vastly lower cost. This is seriously glossing over details. The cost of p

> The additional pumped storage needs of solar and wind are more than offset by their vastly lower cost. This is seriously glossing over details. The cost of pumped hydro is highly geographically dependent. If you happen to have an alpine lake handy, then yes it can be cheap. But building pumped hydro in flat terrain is much more expensive.