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| - I had a Solar Electric system installed by Robco Electric about 2.5 years ago. I signed the contract on 4/20/15 (yes, I went "green" on 4/20). I have 22 panels and have generated 25.3Mwh (1 Mega Watt Hour= 1000Kwh so this equals 25,300Kwh). According to my Enphase energy reports, this is 102% of expected output.
since electricity costs about $.11 per Kwh, I've created about $2,783 worth of electricity. Basically I make/save about $1000 per year on electricity. The system minus the 30% federal tax credits should be paid off in about 12 years total (about 10 more years). After that, it's basically free electricity for the next 20+ years. If anything goes wrong, I would just need to replace a small micro-inverter or a single panel, so I'm sure the system will go 30 or more years.
The salesperson TIm was very experienced and answered all my questions. Installation was done very well. I had them put pigeon proofing around the lower edge between the panels and my tile roof, and no birds have tried to get in there.
The only minor issue I've ever had is occasionally my enphase box (it reports power generated per panel in 5 minute increments) will lose the wifi connection. I get an automated email that says if it stopped reporting in data to the cloud. I just cycle the power to it and it reconnects and uploads the saved data. Its pretty neat to compare data on 8/21 vs 8/22 for the difference caused by the Solar eclipse.
I recommend them. I planned my panel layout so that I can add more panels later if needed. I have since bought a small electric car, but when I get my Tesla Model 3 in early 2018, i will probably need more panels from them.
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