Space solar also has an availability problem. The closer the orbit means more time in shadow. The farther out orbits have more availability but then have larger

Space solar also has an availability problem. The closer the orbit means more time in shadow. The farther out orbits have more availability but then have larger antennas. I haven't seen analysis on what orbits are practical, geosynchronous is probably too far. The result is that you need multiple satellites to provide reliable power to any place on Earth. If they are high enough, they can provide power to other places on Earth. It may mean that still need batteries to store power during the night or when satellites aren't available. The question is if better to have space solar with batteries or ground solar with batteries. Or multiple space solar or multiple ground solar. My guess is that ground solar will always be cheaper and has the advantage of being more reliable. Also, building long-distance transmission lines might be cheaper than launching solar into space.