Location: Walpole, Massachusetts

Watts: 12,765

Monthly Production: 1145 kWh

Date: March 2016

This complex system was installed on four sections of roof, each with a different pitch and azimuth, including one flat section. All together, the system has 37 SunPower 345-watt panels and is generating more than 13,000 kilowatt-hours of clean power per year.