Asri-unix.709 net.space utzoo!decvax!ucbvax!ARPAVAX:C70:sri-unix!POURNE@MIT-MC Sun Feb 7 03:22:28 1982 half-time power from the moon Not if they are at the poles they don't. (that's the answer; the question was, don't lunar power stations cease to function two weeks of the month?) Of course a non-polar lunar colony would indeed need either a good energy storage system, or a good generation system; if you put it up in a large whack, say by ORION, then a small nuclear power plant would probably be the right thing to have for a colony.