For large scale energy transmission projects like beamed energy back to the earth, it’s likely that mirror arrays combined with a rotating transmission station like the one in 2001 a Space Odyssey functioning as a giant flywheel in space would be a lower cost option compared to photovoltaics.
In either case, you need a lunar base first because that’s the cheaper way to get massive amounts of material into Earth orbit.
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Well, more like assembly.
For large scale energy transmission projects like beamed energy back to the earth, it’s likely that mirror arrays combined with a rotating transmission station like the one in 2001 a Space Odyssey functioning as a giant flywheel in space would be a lower cost option compared to photovoltaics.
In either case, you need a lunar base first because that’s the cheaper way to get massive amounts of material into Earth orbit.