Location: Wayland, Massachusetts

Watts: 12,420

Monthly Production: 1128 kWh

Date: August 2015

The 12,420-watt system on this Garrison-style home produces enough clean solar power to offset 21,059 pounds of CO2 per year. That’s equivalent to the carbon absorption of 7.6 acres of trees. The system features 36 SunPower panels and a SolarEdge inverter with optimizers under each panel for superior performance.