There's a limit to how much you can deploy renewables, like wind or solar. People will talk about getting up to 30 percent of America's power from renewables, but you can't get to 100 percent because of their unreliability.

If you had a really good - battery, it wouldn't matter that the sun goes down at night and the wind stops blowing sometimes. But at the moment, battery technology is nowhere near good enough to use at utility scale.

Nuclear energy is a baseload - meaning it's power that you can run any time you want, day or night - and carbon-free.

Nathan Myhrvold Quotes