More on the "power-beaming technology", https://www.livescience.com/microwave-beam-military-space-pl...

> ... test the idea of using microwave beams to send solar power to Earth from space ... Build a big solar array in orbit, the idea goes, and it could collect enough sunlight (unfiltered by atmospheric effects or clouds,) to generate a powerful beam of microwaves. A collection station on Earth would then convert that beam into useful power ... down the road he said he hopes it will lead to a futuristic clean power source that could benefit everyone — and give the U.S. a new near-monopoly over a global energy supply.