Coal
Gas
Oil
Nuclear
(Pick At Least One)
If you try to pick Wind and Solar, you’re really picking Gas, because for every installed MW of renewables, you have to provide a MW of Gas powered turbines to kick on and pick up the load when the weather is not cooperating, which will be most of the time.
Or we could just freeze in the dark, which is where the Greens are taking us, if we let them.