I have 8 quotes. They are all within 10-15 cents/KW.. The /KWH per year tells a different story, they range from 1.91 to 2.21/KWH when you take the annual estimated (or guaranteed in some cases) KWH production. Of all the vendors, I have narrowed it down to 6 of the 8 and I was just curious if anyone had feedback on on the delta. One of the reasons for the delta, is I have one company who says their 4.5KW LG system will produce 7160/year and another company says their 4.02KW LG will produce 7128, but they are using 12 of the LG335N1C-A5 panels with SolarEdge 3800A, the other company producing 7160 is using 15 of the LG-305N1K-G4 panels with Enphase M250 inverter.
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Price per KW or price per KWH/year