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Jobotics t1_ixgaviw wrote on November 23, 2022 at 5:37 AM

Reply to comment by wwarnout in The ESA aims to make 24/7 space-based solar energy harvesting a reality | Solaris program will study space-based solar power amid rising energy concerns by chrisdh79

electric to microwave is in the ball park of 80% and microwave to electric is about 85%, so 68% or so total. Though there may be atmospheric attenuation.