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I have an older PV system with M215 microinverters. When the system was installed back in 2011 I chose not to get the Envoy to monitor each panel. I think it was around $500 at the time so I decided against it. Anyway, found an Envoy-R on eBay, upon receiving it I quickly ran into a snag where...

I have two separate solar panel systems on my house. The one in yellow is on a string inverter (SMA) I recently replaced (Old one died after 13 years) with the help of the good folks on this forum. The other existing system (outlined in blue) on the garage uses Enphase M215 micros. Some of those...