As of August 2025, the average solar panel system costs $3. 23/W including installation in Boston, MA. For a 5 kW installation, this comes out to about $16,175 before incentives, though prices range from $13,749 to $18,601.
How much do solar panels cost in Massachusetts?
As of 2025, the average cost of solar panels in Massachusetts is $3.13 per watt, making a typical 7.2 kilowatt (kW) solar system $15,775 after claiming the 30% federal solar tax credit now available. This is higher than the average price of residential solar power systems across the United States, which is currently $3.03 per watt.
Is it worth installing solar panels in Boston, MA?
Yes, solar panels are worth it in Boston, MA. However, certain factors such as the cost of electricity, available incentives, climate, and sun angle will impact how quickly you break even on your investment relative to other areas.
How much does a solar system cost?
This is higher than the average price of residential solar power systems across the United States, which is currently $3.03 per watt. The size of a solar panel system also plays a role in how much the installation will cost. Larger solar installations typically have a lower cost per watt because the panels can be purchased at a 'bulk price.'
How much does it cost to install solar panels?
Installing residential solar panels can cost between $10,000 and $30,000 or more, though individual costs vary significantly based on your system's power output, how much sun your home gets and other factors. On the higher end, Sarin in Leominster installed a large system (36 panels, two solar batteries and two inverters) in 2021.
Can I get a solar tax credit in Boston MA?
At a minimum, solar installations in Boston, MA are eligible for the 30% solar tax credit. Learn more about other local Boston, MA incentives, tax credits & rebates to help you lower the overall cost of going solar even more. The 30% tax credit applies to solar installations in Boston, MA. What solar financing options are available to you?
Are solar panels tax deductible in Massachusetts?
The state of Massachusetts also offers its own solar tax credit. The Massachusetts solar tax credit is equal to 15% of solar installation costs, up to $1,000. Are solar panels worth it in Massachusetts in 2025?