Elon Musk: “There just is no way to do a terawatt per year on Earth.”

“There's no way you're building power plants at that level. And then if you take it up to say, a terawatt per year, impossible. Like, you have to do that in space. There just is no way to do a terawatt per year on Earth. And in space, you've got continuous solar. You actually don't need batteries because it's always sunny in space. That's right, exactly.” (23:33–23:38)

This is an excerpt from a raw transcript. The assertions have not been audited or verified. Tap the video to view the source footage and understand the context.