Beaming the Watts Down: NASA × Ascent Solar’s Thin-Film Array Sets the Stage for Space-to-Earth Power Transmission
The space-based solar power (SBSP) concept was proposed in 1968 by Peter Glaser to place satellites in orbit and beam power to Earth. In 2023 Caltech’s Space Solar Power Demonstrator (SSPD-1) conducted three beaming tests in May, June, and July