Solar Panels in Sandown, NH

Sandown, New Hampshire residents are served by Eversource Energy (NH), which charges $0.20 per kWh for residential electricity. This is 16% above the national average of $0.168/kWh. At this rate, a typical household using 900 kWh per month spends approximately $2,106 per year on electricity—money that could be going toward building equity in a solar system instead.

An 8 kW solar system in Sandown can offset most or all of a typical home’s electricity usage, saving approximately $1,872 per year. Over the 25-year lifespan of the system, that adds up to $68,252 in total savings. The estimated payback period is 13.4 years.

Eversource Energy (NH) is an investor-owned utility serving Sandown and surrounding communities. Net metering is available, meaning excess solar energy you produce earns bill credits from Eversource Energy (NH). Heat pump rebates of up to $2,500 are also available for Sandown homeowners.

The federal residential solar tax credit (Section 25D) expired at the end of 2025, making state and utility incentives more important than ever. NuWatt Energy installs solar panels, heat pumps, EV chargers, and battery storage directly in Sandown—no subcontractors or lead-selling middlemen. We handle every step from system design through Eversource Energy (NH) interconnection.