Location: Scituate, Rhode Island

Watts: 4,320

Monthly Production: 403 kWh

Date: June 2018

This solar electric system with a dozen high-efficiency panels on the horse barn is producing enough clean energy to cover all of the homeowner’s electric bills. That’s roughly $1,000 a year now.

When you factor in the inevitable increases in utility rates, it will be worth about $36,800 in electric bill savings over 25 years.