Yep... you need 100% of use covered even if it's a windless night (no solar, no wind), and then turn off (eg hydro, gas) when you have both wind and sun. Putin

Yep... you need 100% of use covered even if it's a windless night (no solar, no wind), and then turn off (eg hydro, gas) when you have both wind and sun. Puting just wind and sun infrastructure means constant blackouts.