Energy from Orbit
Plans to capture solar energy from “solar farms” in space and beam it to earth were reported by Pallab Ghosh in a recent BBC news report (Ghosh, 2022). The article anticipated approval of a three-year feasibility and economic study aimed at eventually sending gigawatts of power to earth from space to help address future energy shortages. A few days later Olivia Allen reported that ESA, the European Space Agency, had approved plans for further research into Space Based Solar Power, SBSP (Allen, 2022). The project, known as SOLARIS, “will carry out research with the aim of developing huge orbiting satellites fitted with solar panels that can collect the sun’s energy and wirelessly beam it down to Earth.” Allen traces the concept back to the 1970s, but regards the technology as only now close to what is needed to realise the idea. Orbiting solar panels would receive continuous sunlight and so provide continuous power to receivers on earth, transmitting energy over a distance of 36,000km...