Sterling Municipal Light Department

Sterling Municipal Light Department serves customers in Sterling in Massachusetts with a residential electricity rate of $0.15 per kWh. This is 11% below the national average of $0.168/kWh, though solar still delivers strong returns with today’s lower installation prices.

At current rates, a typical Sterling Municipal Light Department household using 900 kWh per month spends approximately $1,620 per year on electricity. An 8 kW solar system can offset most or all of that usage, saving an estimated $1,440 annually and $52,501 over the 25-year life of the system. With Massachusetts incentives of $1,000, the net system cost drops to $23,720, with a payback period of just 16.5 years.

Sterling Municipal Light Department offers net metering for solar customers. Heat pump rebates of up to $1,500 are available. Third-party ownership through solar leases and power purchase agreements (PPAs) is available, which can qualify for the 30% commercial Investment Tax Credit under Section 48.

The federal residential solar tax credit (Section 25D) expired at the end of 2025. State and utility-level incentives are now the primary financial benefits for homeowners going solar. NuWatt Energy handles the entire process from system design through permits and Sterling Municipal Light Department interconnection, ensuring you receive every available rebate.