Gas plants are almost universally peaker plants, designed to quickly ramp up and down, while nuclear plants are almost universally baseload. There’s nothing in

Gas plants are almost universally peaker plants, designed to quickly ramp up and down, while nuclear plants are almost universally baseload. There’s nothing in principle stopping us from building peaker nuclear reactors, but nobody except the military ever does so. As a result, nuclear largely cannot substitute for gas without massive storage systems that don’t exist.