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stevehull · 10-17-16, 03:02 PM

Do a 22 panel install on the house south facing roof first, then the east facing garage dormer and lastly the shop.

A 22 panel system is easy, quick, inexpensive and gets you going.

The Enphase M250 microinverter is a perfect match for a 280-300 watt panel. About 15% more expensive, but you get more kWhrs. But you cannot use 72 cell PV panels - the M215 and M250 can only use 60 cell panels.

The Envoy monitoring system can do up to 500 panels at different locations.

Steve

10-17-16, 03:02 PM	#51
stevehull Steve Hull Join Date: Dec 2012 Location: hilly, tree covered Arcadia, OK USA Posts: 826 Thanks: 241 Thanked 165 Times in 123 Posts	Do a 22 panel install on the house south facing roof first, then the east facing garage dormer and lastly the shop. A 22 panel system is easy, quick, inexpensive and gets you going. The Enphase M250 microinverter is a perfect match for a 280-300 watt panel. About 15% more expensive, but you get more kWhrs. But you cannot use 72 cell PV panels - the M215 and M250 can only use 60 cell panels. The Envoy monitoring system can do up to 500 panels at different locations. Steve __________________ consulting on geothermal heating/cooling & rational energy use since 1990 Last edited by stevehull; 10-17-16 at 03:48 PM.. Reason: clarity