Location: Ashby, Massachusetts

Watts: 8,280

Monthly Production: 824 kWh

Date: April 2016

We often skirt vent pipes (or move them) when installing solar energy systems. For this farmhouse, we skirted five!

The solar generated from the roof costs about 8¢ per kWh, for 25 years, compared to the 23¢ this homeowner pays Unitil for electricity — a price that will most likely continue to rise.

(Hope you enjoy the scenic view from the roof, as our crew did.)