RTGs are horrifically inefficient sources of power. They work well enough for providing a paltry 110W to a rover on another planet, but that's not going to sca

RTGs are horrifically inefficient sources of power. They work well enough for providing a paltry 110W to a rover on another planet, but that's not going to scale up to providing power for millions of people. The amount of plutonium you'd need would be astronomical.