alt Hacker NewsA week of low solar and low wind is a yearly or every-couple of years event that you definitely need to solve for a completely renewable grid.
A week of low solar and low wind is a yearly or every-couple of years event that you definitely need to solve for a completely renewable grid.
Keeping coal plants around is cheap to cover that. Longer term things like producing ammonia during summer and converting it to electricity in fuel cells will allow to remove needs for fossil fuels completely.