Solar Quotes in Massachusetts

SMART 3.0 (DOER)

• For Program Year 2026, residential-size systems (25 kW AC or less) receive a flat incentive of $0.03/kWh, or $0.06/kWh for Low Income systems. DOER accepts Program Year 2026 applications through December 31, 2026. Source: mass.gov (accessed 2026-10-20)
• DOER has published a draft report for Program Year 2027, open for public comment until November 2, 2026. Rates for 2027 aren't final. Source: same page (accessed 2026-10-20)

Is solar worth it in Massachusetts?

It depends on your bill, roof and utility rules. Here is an estimate for a home with a $150 monthly electric bill and a south-facing, unshaded roof, before any incentives:

• Residential electricity averaged an estimated 30.14¢/kWh in Massachusetts (January–July 2026), above the U.S. average of 18.19¢ (3 of 51, highest first). Source: EIA Electric Power Monthly, Table 5.6.B (accessed 2026-10-20)
• Small rooftop systems in Massachusetts produced an estimated 1,442 kWh per kW of panels in 2024 (2024 small-scale solar generation divided by average 2023–2024 small-scale capacity). Source: EIA Electric Power Annual 2024, Tables 3.21 and 4.7.B (accessed 2026-10-20)
• Estimated system size: 3–4 kW, producing about 5,047 kWh a year (estimated).
• Estimated installed cost: $10,500–$18,200 before incentives, using $3.00–$5.20 per watt. Source: Lawrence Berkeley National Laboratory (2024 installed prices, 20th–80th percentile; accessed 2026-10-20)
• Estimated simple payback: 6–14 years. Savings depend on how your utility credits exported energy (see above).

Estimates only, based on public data and simple assumptions. Actual production, cost, and savings vary by home, utility, rate plan, and installer. Not a quote, and not a guarantee of savings. Ask your installer about any state, local, or utility incentives that apply. State and local programs: DSIRE.

Run the numbers for your home with the solar calculator

A note on the federal tax credit

The federal residential clean energy credit (25D) doesn't apply to expenditures made after December 31, 2025. The IRS treats an expenditure as made when installation is completed. Source: irs.gov (accessed 2026-10-20). This page isn't tax advice.

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