I'm prepaying the 20 year lease. Looks like that is pretty close to the best option if you can afford the upfront cost. About around 60m^2 — 35 TRINA SOLAR # TS

I'm prepaying the 20 year lease. Looks like that is pretty close to the best option if you can afford the upfront cost. About around 60m^2 — 35 TRINA SOLAR # TSM-245PC05 panels. Basically they guarantee a certain output and pay you if they miss.