I would not recommend trying to do it yourself. It is not as easy as one thinks. Your processor must watch and sense "islanding" among other things. You must also be UL or CE listed. Other NEC, local, and state regulations must be followed along with the proper permits. It's not worth reinventing the wheel. I grid tie with a Trace/Xantrex and sell over 22 amps @ 117 volts back to the grid when its sunny outside. I chuckle when the watt-hour meter spins backward. Picture of my unit is at the bottom of this page: http://www.pic101.com/genset Rick Gary Neal wrote: > Guys, > > Anyone have information on grid-tie inverter schematics? Something that > will synchronize to the grid and allow someone to put power back on the > main grid? Input= ~12V, Ouput =120V, 60Hz, up to ~1kw. > > I can find stand alone inverter schematics, but not grid synched. > > I know there's all kinds of safety issues, so please skip the flames. Just > trying to get educated. > > Thanks, > > Gary > -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads