Location: Grafton, Massachusetts

Watts: 5,040

Monthly Production: 463 kWh

Date: April 2011

We installed this system in conjunction with the construction of a new home. In addition to solar, the home has foam insulation, super energy efficient windows, and a geo-thermal heating system. When you install solar panels as part of construction, the solar system becomes cash positive from day one! Not sure how to build for solar? Read Mark’s blog article.