The concept of harvesting solar power continuously from large satellites in space—where there are no nights, no clouds, and no atmosphere to interfere with the collection of photons—is fairly ...

Ember calls it “24/365 solar generation,” and it’s not just a theoretical model. Cities like Muscat, Oman, and Las Vegas can hit that steady power mark for up to 99% of the hours in a year.

Solar cells will in all likelihood be the single biggest source of electrical power on the planet by the mid 2030s. By the 2040s they may be the largest source not just of electricity but of all ...