Solar Panels in Charlestown, MA

Charlestown, Massachusetts residents are served by Eversource Energy (Eastern MA), which charges $0.27 per kWh for residential electricity. This is 61% above the national average of $0.168/kWh. At this rate, a typical household using 900 kWh per month spends approximately $2,916 per year on electricity—money that could be going toward building equity in a solar system instead.

An 8 kW solar system in Charlestown can offset most or all of a typical home’s electricity usage, saving approximately $2,592 per year. Over the 25-year lifespan of the system, that adds up to $94,502 in total savings. With Massachusetts state incentives of $320, the net system cost drops to $25,840, resulting in a payback period of just 10 years.

Eversource Energy (Eastern MA) is an investor-owned utility serving Charlestown and surrounding communities. Net metering is available, meaning excess solar energy you produce earns bill credits from Eversource Energy (Eastern MA). Heat pump rebates of up to $8,500 are also available for Charlestown 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 Charlestown—no subcontractors or lead-selling middlemen. We handle every step from system design through Eversource Energy (Eastern MA) interconnection.