I'm confused about this. Your solar array is 33.5kw, if you plug that into PVWatts, assuming you're living even in a super sunny place like Las Vegas, that would be 58,921 kWh/Year, but you're getting 80,000 just for December?
I guess I'm from a different era, but to me it's sad to see grown men seeking permission and approval from their wives, and then getting beaten up about a solar project they worked really hard on for whatever reason. This reminds me a little of the thread with the guy wringing his hands because his solar project uses some extension cords and his wife doesn't like them. Is this universal nowadays? Maybe I'm just out of the loop.
Does it work both ways? What if the wife wants to go to Paris for her holiday, or she wants spend more than you spent on the solar system to buy a pink Lexus. Does she ask you for permission? Is she telling her friends "My husband gave me the go ahead to buy a pink Lexus. I got all the extras, it's loaded. Ended up costing 40% over budget and he's unhappy about it, but I think he'll be more approving after he's had a ride in it."
And it's sad that you did such a beautiful job on that solar install, and your wife can't just sit back and give thanks and appreciate what a wonderful job you did. How about "Wow, how lucky I am to have a genius for a husband who can build a system like that!"
Don't get me wrong. I've never met your wife and I'm not saying there's anything wrong with it. I'm sure your wife is great. But me personally, I guess I come from a different generation. Of course I discuss things with my partner, and I take her input and ideas, especially if it's a big project or something expensive, but I don't ask for permission. And my partner is super appreciative and excited about having a lower electric bill. Anyway, congratulations on a really beautiful job!
Sure, whatever works for you is fine. I'm just offering a different perspective. Please keep doing what works for you.
Your system cost $55k? Seems reasonable for what you ended up with.
Total of All Solar Arrays | |||
Month | Daily Average POA Irradiance (kWh/m2/day) | DC Array Output (kWh) | AC System Output (kWh) |
1 | 4.86 | 2,748,704.86 | 2,611,230.65 |
2 | 4.90 | 3,174,893.60 | 3,023,299.86 |
3 | 4.94 | 4,414,423.45 | 4,206,623.52 |
4 | 4.98 | 4,921,186.03 | 4,686,184.91 |
5 | 5.00 | 5,466,883.11 | 5,213,085.17 |
6 | 5.02 | 5,464,943.53 | 5,215,656.87 |
7 | 5.02 | 5,402,630.14 | 5,153,601.99 |
8 | 5.01 | 4,957,644.22 | 4,727,120.88 |
9 | 5.00 | 4,422,971.39 | 4,218,660.25 |
10 | 4.99 | 3,619,621.14 | 3,446,903.91 |
11 | 5.00 | 2,917,088.57 | 2,775,195.52 |
12 | 5.01 | 2,422,699.54 | 2,295,855.64 |
Annual Total | 4.98 | 49,933,689.59 | 47,573,419.16 |
@Ryushin - Looks like you have a 'comma' instead of a decimal. For example, instead of 3.220 kW in array 1 you have 3,220 kW... a big difference that is throwing your numbers off.Not all the strings face the same direction. I've attached the spreadsheet for each array, according to Greenlancer's layout, also note, there is no Array 5, I have on idea why Greenlancer skipped 5 and went from 4 to 6.
I've attached the panel layout from Greenlancer as well. But yea, the system is large and can produce enough even during December to cover all my house loads. Don't know what it will be once I add a 4-ton heat pump.
The numbers on PVWatts are labled in kWh, please see for yourself in screenprints above.
