How much do solar panels cost in 02118?

A standard 6kW residential solar system in 02118 (Boston, MA) costs approximately $19,080 before incentives. After the 30% federal Investment Tax Credit, the net cost is $13,356.

How much will I save with solar panels in 02118?

Homeowners in 02118 can expect to save approximately $2,056 per year on electricity bills with a 6kW solar system, for a total of around $51,400 over 25 years.

How long is the payback period for solar in 02118?

The estimated payback period for a 6kW solar installation in 02118 is 6.5 years after the federal tax credit. This is based on 4.1 kWh/m²/day average solar irradiance and local electricity rates of $0.286/kWh.

Solar Panel Cost in 02118

Last updated April 14, 2026 · Source: NREL and SEIA

Boston, Massachusetts · Excellent ROI

Payback 6.5 years

6kW System Cost Breakdown

Gross Installation Cost $19,080 $3.18/W installed

Federal Tax Credit (30%) −$5,724 ITC through 2032

Net Cost After Credit $13,356 Your out-of-pocket cost

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Savings & ROI for 02118

Annual Electricity Savings $2,056 At $0.286/kWh local rate

Annual Solar Production 7,190 kWh 4.1 kWh/m²/day irradiance

Break-Even Point 6.5 years Excellent ROI

25-Year Net Savings +$38,044 After total system cost

Solar Loan Calculator

Financing a 6kW solar system in Boston? Estimate your monthly payment and total interest below.

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Assumes fixed-rate loan. Actual rates vary by lender and credit score. Solar-specific loans from Mosaic, GoodLeap, or Sunlight often offer lower rates than personal loans.

Solar Resource in Boston

Boston (02118) receives an average of 4.1 kWh/m²/day of solar irradiance, based on latitude 42.334°N and Massachusetts regional weather patterns from NREL data. At the local electricity rate of $0.286/kWh, a 6kW system generates roughly $2,056 per year in bill savings.

Solar irradiance vs. US average (4.5 kWh/m²/day)

07.5 kWh/m²/day

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Nearby Zip Codes in Boston

02101 Boston, MA 6.5 yr payback $2,056/yr savings 02108 Boston, MA 6.5 yr payback $2,056/yr savings 02116 Boston, MA 6.5 yr payback $2,056/yr savings

How We Calculate Solar Costs for 02118

Costs are based on the average price per watt for Massachusetts ($3.18/W), applied to a standard 6kW residential system. Solar irradiance is derived from NREL PVWatts data for latitude 42.334°N, adjusted for local weather patterns. Electricity rate uses the Massachusetts EIA average of $0.286/kWh.

The 30% federal Investment Tax Credit (ITC) applies as a credit against your federal income tax liability. Many states offer additional credits; check your state's energy office for local incentives.