Solar Panel Savings in Barnstable, MA

Calculate how much you can save with solar panels in Barnstable, Massachusetts. Based on 4.2 peak sun hours/day and 24.0¢/kWh average electricity rate.

4.2

Peak Sun Hours/Day

24.0¢

Avg Rate (¢/kWh)

8.5 yr

Payback Period

$60k

25-Year Savings

Barnstable Solar Overview

Population:44,641
Sunny Days/Year:204
Avg Temperature:52°F
Solar Penetration:2.5%
Utility Company:Eversource
Net Metering:Available

Calculate Your Barnstable Solar Savings

3 kW15 kW

Barnstable average: $216/mo

South-facing roofs produce the most energy

Add $8,000-$12,000 for whole-home battery backup

Annual Production

7,358

kWh/year

Annual Savings

$1,765

per year

Net System Cost

$14,658

after 30% ITC

Payback Period

8.3 yr

break-even time

25-Year Total Savings

$60,288

Monthly Savings

$147

Federal Tax Credit

$6,282

Cumulative Savings vs System Cost

$0k$16k$32k$47k$63kYr 0Yr 5Yr 10Yr 15Yr 20Yr 25System CostBreak-even
Cumulative Savings System Cost

Cost Breakdown

ItemBarnstableNational Avg
Gross System Cost (6kW)$20,940$17,100
Federal Tax Credit (30%)-$6,282-$5,130
Net System Cost$14,658$11,970
Cost Per Watt$3.49/W$2.85/W

Solar Potential in Barnstable

Sun Hours vs National Average

4.2 hrs
4.5 hrs

Barnstable gets 7% less sun than the national average, but high-efficiency panels compensate.

Climate Advantages

  • 204 sunny days per year
  • Average temperature: 52°F — cooler temps actually improve panel efficiency
  • Average roof size: 1,548 sq ft — enough for a 86-panel system

Barnstable Solar Incentives & Programs

Federal Investment Tax Credit (ITC)

30% of total system cost deducted from federal taxes. For a $20,940 system, that's a $6,282 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 Barnstable. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.

Environmental Impact in Barnstable

3.1

Tons CO2 Offset/Year

51

Equivalent Trees Planted

0.7

Homes Worth of Energy

Based on 7,358 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 Barnstable, Massachusetts

Barnstable, Massachusetts receives an average of 4.2 peak sun hours per day, offering adequate solar resources for homeowners looking to reduce their electricity bills. With electricity rates averaging 24.0¢ per kWh from Eversource, well above the national average of 16.63¢/kWh, solar panels offer exceptional savings potential.

A typical 6kW solar system in Barnstable produces approximately 7,358 kWh per year, saving homeowners an estimated $1,765 annually. The system pays for itself in about 8.3 years, after which you enjoy essentially free electricity for the remaining 17+ years of the system's warranty life.

Barnstable has a solar penetration rate of 2.5% — indicating early-stage solar adoption with tremendous growth potential as prices continue to fall. The cost of living index of 125.3 (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 Barnstable, MA?

The average cost of a 6kW solar panel system in Barnstable is approximately $20,940 before incentives ($3.49/watt). After the 30% federal Investment Tax Credit, the net cost is about $14,658. SMART program; income tax credit (15%, up to $1,000).

How many peak sun hours does Barnstable get?

Barnstable, MA receives an average of 4.2 peak sun hours per day and approximately 204 sunny days per year. This is near the national average, providing good conditions for residential solar panels.

What is the solar payback period in Barnstable?

The average solar payback period in Barnstable is approximately 8.5 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 $60,288.

Does Barnstable have net metering?

Yes, Barnstable 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 Barnstable, MA?

Absolutely. With a 8.5-year payback period and $60,288 in 25-year savings, solar is an excellent investment in Barnstable. The 30% federal tax credit and above-average electricity rates help make solar financially attractive.

Related Calculators