BLUF

Space-based solar power (SBSP), conceived in the 1960s, involves using satellites to harness solar energy for Earth. Technological and cost challenges have limited its progress.

Summary

KEY POINTS.
  1. Satellites in GEO receive sunlight 99% of the year, enabling constant energy generation.
  2. Microwave transmission reduces atmospheric losses, proven in experiments.
  3. CASSIOPeiA and SPS-ALPHA feature large reflectors and collectors.
  4. SOLARIS is a European Space Agency SBSP initiative.
READ: Beaming Solar Energy From Space to Earth Could Soon Be a Reality

References