Solar Panel Savings in Somerville, MA
Calculate how much you can save with solar panels in Somerville, Massachusetts. Based on 4.1 peak sun hours/day and 22.9¢/kWh average electricity rate.
4.1
Peak Sun Hours/Day
22.9¢
Avg Rate (¢/kWh)
7.5 yr
Payback Period
$28k
25-Year Savings
Somerville Solar Overview
Calculate Your Somerville Solar Savings
Somerville average: $206/mo
South-facing roofs produce the most energy
Add $8,000-$12,000 for whole-home battery backup
Annual Production
kWh/year
Annual Savings
per year
Net System Cost
after 30% ITC
Payback Period
break-even time
25-Year Total Savings
$56,292
Monthly Savings
$137
Federal Tax Credit
$5,184
Cumulative Savings vs System Cost
Cost Breakdown
| Item | Somerville | National Avg |
|---|---|---|
| Gross System Cost (6kW) | $17,280 | $17,100 |
| Federal Tax Credit (30%) | -$5,184 | -$5,130 |
| Net System Cost | $12,096 | $11,970 |
| Cost Per Watt | $2.88/W | $2.85/W |
Solar Potential in Somerville
Sun Hours vs National Average
Somerville gets 9% less sun than the national average, but high-efficiency panels compensate.
Climate Advantages
- 193 sunny days per year
- Average temperature: 51°F — cooler temps actually improve panel efficiency
- Average roof size: 1,636 sq ft — enough for a 90-panel system
Somerville Solar Incentives & Programs
Federal Investment Tax Credit (ITC)
30% of total system cost deducted from federal taxes. For a $17,280 system, that's a $5,184 credit. Valid through 2032.
Massachusetts State Incentives
SMART program; income tax credit (15%, up to $1,000).
Net Metering — Eversource
Eversource offers net metering in Somerville. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.
Environmental Impact in Somerville
3.0
Tons CO2 Offset/Year
49
Equivalent Trees Planted
0.7
Homes Worth of Energy
Based on 7,183 kWh annual production with a 6kW system. EPA average: 0.417 metric tons CO2 per MWh, 10,632 kWh per US home.
Solar Energy in Somerville, Massachusetts
Somerville, Massachusetts receives an average of 4.1 peak sun hours per day, offering adequate solar resources for homeowners looking to reduce their electricity bills. With electricity rates averaging 22.9¢ per kWh from Eversource, well above the national average of 16¢/kWh, solar panels offer exceptional savings potential.
A typical 6kW solar system in Somerville produces approximately 7,183 kWh per year, saving homeowners an estimated $1,648 annually. The system pays for itself in about 7.3 years, after which you enjoy essentially free electricity for the remaining 18+ years of the system's warranty life.
Somerville has a solar penetration rate of 6.3% — showing growing adoption of residential solar, with significant room for expansion. The cost of living index of 148.5 (national average: 100) means higher electricity costs, which amplifies solar savings.
Other Cities in Massachusetts
Frequently Asked Questions
How much do solar panels cost in Somerville, MA?
The average cost of a 6kW solar panel system in Somerville is approximately $17,280 before incentives ($2.88/watt). After the 30% federal Investment Tax Credit, the net cost is about $12,096. SMART program; income tax credit (15%, up to $1,000).
How many peak sun hours does Somerville get?
Somerville, MA receives an average of 4.1 peak sun hours per day and approximately 193 sunny days per year. This is near the national average, providing good conditions for residential solar panels.
What is the solar payback period in Somerville?
The average solar payback period in Somerville is approximately 7.5 years. After payback, your solar panels generate essentially free electricity for the remaining 15-20 years of their warranty. Over 25 years, total savings can reach $28,079.
Does Somerville have net metering?
Yes, Somerville has access to net metering through Eversource. This allows you to earn credits for excess solar energy sent to the grid, significantly improving your solar investment returns.
Is solar worth it in Somerville, MA?
Absolutely. With a 7.5-year payback period and $28,079 in 25-year savings, solar is an excellent investment in Somerville. The 30% federal tax credit and above-average electricity rates help make solar financially attractive.