Solar cost & payback in Massachusetts
Short answer
In Massachusetts, a home with a $150/month electric bill needs about a 5.2 kW solar system — roughly $10,893 after the 30% federal tax credit, saving about $1,801/year and paying back in ~6 years.
System size
5.2 kW
Cost after 30% credit
$10,893
Payback
6 yrs
20-yr net savings
$35,112
Solar in Massachusetts
Massachusetts averages about 4.1 peak sun hours a day and pays roughly 29¢/kWh. The figures above assume a $150/month bill and ~$3/watt installed, with the 30% federal tax credit. A bigger bill needs a bigger system; shading, roof orientation, and net-metering rules change the payback.
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Frequently asked questions
How much do solar panels cost in Massachusetts?
For a $150/month bill, about a 5.2 kW system — roughly $15,562 before incentives, or $10,893 after the 30% federal tax credit. Larger bills need bigger, pricier systems.
Is solar worth it in Massachusetts?
Massachusetts gets about 4.1 peak sun hours a day and pays ~29¢/kWh. A typical system pays back in ~6 years and saves about $35,112 net over 20 years — a strong case.
What is the solar tax credit in Massachusetts?
The 30% federal Residential Clean Energy Credit applies everywhere, including Massachusetts — about $4,669 on the example system. Massachusetts may add its own state incentives on top; check current programs.