Location: Fitchburg, Massachusetts
Watts: 7,770
Monthly Production: 739 kWh
Date: February 2012
This 7.7-kW solar electric system was installed in Feb. 2012, and includes 35 Sanyo 220-watt solar panels, and 35 Enphase micro-inverters. Each kilowatt-hour of solar energy produced offsets approximately 1.2 pounds of carbon dioxide, a greenhouse gas.