Location: Boxborough, Massachusetts

Watts: 10,350

Monthly Production: 942 kWh

Date: February 2017

When’s the last time Uncle Sam gave you $16,000? And for doing something good for the planet, never mind your pocketbook? That’s about the size of this customer’s federal “Investment Tax Credit’ — a perk for going solar.

This interesting layout on the classic rambling New England farmhouse has 18 solar panels on the asphalt-shingled barn, and 12 more spread across two roof faces of the metal-roofed main house.