How much do solar panels cost in Massachusetts?

In Massachusetts, solar panel installation averages about $3.35 per watt. For a typical $150 monthly electric bill, a 4.6 kW system (12 panels) costs approximately $16,080 before incentives, or $11,256 after the 30% federal tax credit.

Is solar worth it in Massachusetts?

Yes — with 4.7 peak sun hours per day and 29.5¢/kWh electricity rates, solar in Massachusetts typically pays for itself in 6 years. The rating is Strong.

Solar Panel Cost & Savings in Massachusetts (2026)

Quick Massachusetts Solar Facts

4.7

Peak Sun Hours/Day

29.5¢

Electricity Rate

$3.35

Install Cost/Watt

6 yrs

Avg Payback

In Massachusetts, a typical 4.6 kW system (12 panels) costs approximately $11,256 after the 30% federal tax credit. With 4.7 peak sun hours per day and 29.5¢/kWh electricity rates, annual savings average $1,867 with a payback period of 6 years. Rating: Strong. Source: NREL PVWatts v8 (PSH), US EIA July 2026 (rates), SEIA/EnergySage Q1 2026 (costs).

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How many solar panels do I need in Massachusetts?

For a typical home with a $150 monthly electric bill in Massachusetts, you need about 12 panels (4.8 kW system). Your exact number depends on your specific monthly usage and roof orientation.

What solar incentives are available in Massachusetts?

Every US homeowner qualifies for the 30% federal Investment Tax Credit (ITC) through 2032. Many states also offer additional incentives — check our main calculator's Incentives tab for Massachusetts-specific rebates, tax credits, and net metering policies.

Is Massachusetts a good state for solar?

Massachusetts has 4.7 peak sun hours per day (U.S. average: 4.98). With electricity at 29.5¢/kWh (U.S. average: 18.83¢/kWh), solar in Massachusetts typically pays for itself in 6 years. Overall rating: Strong.