Solar Power Production Tracker

I’ll try to keep this page updated every month with our solar power production and compare it with the PVWatts estimate of expected generation. For more details about our solar system (6.93kW of panels, 6kW inverter), visit my blog post about finding solar installers in Charlottesville. For a more detailed financial analysis of solar production in Virginia, see my post on that at my other blog. There is a slight discrepancy between the solar inverter numbers and the dominion solar generation meter, which also I’ll keep track of.

Year\Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
PVWatts Estimate 505 425 675 695 742 689 705 661 581 731 473 490
2014 (Inverter) 279 850 928 941 928 794 705 651 527 472
2014 (Meter) 277 847 923 936 923 790 701 648 525 470
2015 (Inverter) 490  622  714  909  1010
2015 (Meter) 489  619  711  905  1004

April 2014 was the first full month of production.*System went live March 19. So March 2014 production numbers represent a partial month.

Cumulative Power Production as of May 31 2015: 10820 kWh at inverter (10768 kWh at solar meter)

Solar Production: Expected vs Actual

Solar Panels