Location: Chelmsford, Massachusetts

Watts: 5,886

Monthly Production: 583 kWh

Date: December 2014

This system was installed in conjunction with other home improvements. (See the before and after photos.) It has 18 SunPower 327-watt panels and a Solectria PVI-5300 inverter. Read our case study on this customer to see how he feels about solar two years after installing the system.