I haven't monitored this whole thread, but this puzzles me: why would you want to feed power into the mains without the power company's permission?! Isn't the whole idea so that you can be paid for it? Sean At 12:08 PM 3/10/01 +0200, you wrote: >find when and how much current to put back into the mains... but the power >co. will likely do untold things to you if they catch you do this. Also, >if the network is not loaded it will try to feed back power into the >generators eventually. If it is large enough and tries hard enough it may >cause a major power outage in your area. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.