I've had my system up and running for a bit over two years now and have compared actual energy generated versus what SAM calculations predicted. When I started out, I modeled my situation with SAM (the most accurate predictor that I know of) and thought that I'd be getting output close to that but so far haven't and am wondering if others can respond with what they are actually getting vs SAM or what the installer told you.
I have a 13kW system here in Colorado that should be producing about 19.6MWhrs per year, but in 2017 I only got 17.9, about 10% shy of what I perhaps should have got; this year on track for about the same.
I know this is not much historical data, and predictions are based on historic info but just the same, wondering if anyone else can chime in and say what they got. Wondering if my panels are somehow under producing, etc. Please excuse me if this is a redundant post and direct me to where I can read about it. Thanks.
I have a 13kW system here in Colorado that should be producing about 19.6MWhrs per year, but in 2017 I only got 17.9, about 10% shy of what I perhaps should have got; this year on track for about the same.
I know this is not much historical data, and predictions are based on historic info but just the same, wondering if anyone else can chime in and say what they got. Wondering if my panels are somehow under producing, etc. Please excuse me if this is a redundant post and direct me to where I can read about it. Thanks.
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