Solar by state › Massachusetts › Boston
Solar panels in Boston, MA: cost and savings
In Boston, MA, each kW of solar produces about 1,200 kWh a year. A home with a $150 monthly Eversource bill needs roughly 4.5 kW, which costs about $14,900 before incentives and saves about $1,620 in the first year.
Updated 2026-10-20. Production uses the Massachusetts average until city data is refreshed. See methodology.
Savings by electric bill in Boston
| Monthly bill | System size | Cost before incentives | Year-1 savings | Payback (buy) |
|---|---|---|---|---|
| $100 | 3 kW | $9,900 | $1,080 | 9 yrs |
| $150 | 4.5 kW | $14,900 | $1,620 | 9 yrs |
| $250 | 7.5 kW | $24,800 | $2,700 | 9 yrs |
| $350 | 10.5 kW | $34,700 | $3,780 | 9 yrs |
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Frequently asked questions
How much do solar panels cost in Boston?
In Boston, MA, each kW of solar produces about 1,200 kWh a year. A home with a $150 monthly Eversource bill needs roughly 4.5 kW, which costs about $14,900 before incentives and saves about $1,620 in the first year.
Who is the electric utility in Boston?
Most Boston homes are served by Eversource. Investor-owned utility customers receive net metering credits for exported solar, and the SMART program pays for production on top of that.
How many solar quotes should I get in Boston?
Get two or three quotes, and compare price per watt, equipment, warranty and the installer's financial strength. Several large installers have gone bankrupt since 2024, so ask who will honor the workmanship warranty if the company closes.