Solar Panel Costs in Massachusetts (2026)
Avg cost: $3.30/watt | 3.8 sun hours/day | Fair
Massachusetts Solar Overview
$3.30/W
Cost Per Watt
3.8 hrs
Peak Sun Hours
4,500 MW
Installed Capacity
Fair
Solar Rating
A typical 7 kW residential system in Massachusetts costs $29,568 before the federal tax credit and $20,698 after. With 3.8 peak sun hours per day, the system produces approximately 7,767 kWh annually, saving an estimated $1,243/year. The payback period is approximately 16.7 years.
Net Metering in Massachusetts
Available at retail rate with capacity caps per utility
State Incentives & Tax Credits
Federal ITC (30%)
Save $8,870 on a 7 kW system. Available through 2032.
Massachusetts State Incentive
SMART program pays performance-based incentives; SRECs; state income tax credit of 15% (max $1,000)
Solar Service Costs in Massachusetts
| Service | Low | High | MA Avg |
|---|---|---|---|
| Residential Solar Installation | $19,200 | $38,400 | $28,800 |
| Commercial Solar Installation | $64,000 | $256,000 | $128,000 |
| Battery Storage Installation | $6,400 | $19,200 | $12,800 |
| Solar Panel Removal | $1,920 | $6,400 | $3,840 |
| Solar Panel Cleaning | $192 | $768 | $384 |
| Inverter Replacement | $1,280 | $4,480 | $2,560 |
| Solar Roof Tiles | $51,200 | $96,000 | $70,400 |
| Solar Water Heater | $3,840 | $8,960 | $6,400 |
Top Solar Installers in Massachusetts
- SunBug Solar
- Sunrun
- Trinity Solar
- Boston Solar
Always verify NABCEP certification, state licensing, insurance, and customer reviews. Get at least 3 written quotes.