Solar Panel Savings in Exeter, NH

Calculate how much you can save with solar panels in Exeter, New Hampshire. Based on 4.4 peak sun hours/day and 21.6¢/kWh average electricity rate.

4.4

Peak Sun Hours/Day

21.6¢

Avg Rate (¢/kWh)

7.9 yr

Payback Period

$57k

25-Year Savings

Exeter Solar Overview

Population:16,189
Sunny Days/Year:194
Avg Temperature:46°F
Solar Penetration:2.3%
Utility Company:Eversource
Net Metering:Available

Calculate Your Exeter Solar Savings

3 kW15 kW

Exeter average: $194/mo

South-facing roofs produce the most energy

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

Annual Production

7,709

kWh/year

Annual Savings

$1,662

per year

Net System Cost

$12,852

after 30% ITC

Payback Period

7.7 yr

break-even time

25-Year Total Savings

$56,770

Monthly Savings

$139

Federal Tax Credit

$5,508

Cumulative Savings vs System Cost

$0k$15k$30k$45k$60kYr 0Yr 5Yr 10Yr 15Yr 20Yr 25System CostBreak-even
Cumulative Savings System Cost

Cost Breakdown

ItemExeterNational Avg
Gross System Cost (6kW)$18,360$17,100
Federal Tax Credit (30%)-$5,508-$5,130
Net System Cost$12,852$11,970
Cost Per Watt$3.06/W$2.85/W

Solar Potential in Exeter

Sun Hours vs National Average

4.4 hrs
4.5 hrs

Exeter gets 2% less sun than the national average, but high-efficiency panels compensate.

Climate Advantages

  • 194 sunny days per year
  • Average temperature: 46°F — cooler temps actually improve panel efficiency
  • Average roof size: 1,868 sq ft — enough for a 103-panel system

Exeter Solar Incentives & Programs

Federal Investment Tax Credit (ITC)

30% of total system cost deducted from federal taxes. For a $18,360 system, that's a $5,508 credit. Valid through 2032.

New Hampshire State Incentives

Residential solar rebate program.

Net Metering — Eversource

Eversource offers net metering in Exeter. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.

Environmental Impact in Exeter

3.2

Tons CO2 Offset/Year

53

Equivalent Trees Planted

0.7

Homes Worth of Energy

Based on 7,709 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 Exeter, New Hampshire

Exeter, New Hampshire receives an average of 4.4 peak sun hours per day, offering adequate solar resources for homeowners looking to reduce their electricity bills. With electricity rates averaging 21.6¢ 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 Exeter produces approximately 7,709 kWh per year, saving homeowners an estimated $1,662 annually. The system pays for itself in about 7.7 years, after which you enjoy essentially free electricity for the remaining 17+ years of the system's warranty life.

Exeter has a solar penetration rate of 2.3% — indicating early-stage solar adoption with tremendous growth potential as prices continue to fall. The cost of living index of 113.7 (national average: 100) means higher electricity costs, which amplifies solar savings.

Other Cities in New Hampshire

Frequently Asked Questions

How much do solar panels cost in Exeter, NH?

The average cost of a 6kW solar panel system in Exeter is approximately $18,360 before incentives ($3.06/watt). After the 30% federal Investment Tax Credit, the net cost is about $12,852. Residential solar rebate program.

How many peak sun hours does Exeter get?

Exeter, NH receives an average of 4.4 peak sun hours per day and approximately 194 sunny days per year. This is near the national average, providing good conditions for residential solar panels.

What is the solar payback period in Exeter?

The average solar payback period in Exeter is approximately 7.9 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 $56,770.

Does Exeter have net metering?

Yes, Exeter 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 Exeter, NH?

Absolutely. With a 7.9-year payback period and $56,770 in 25-year savings, solar is an excellent investment in Exeter. The 30% federal tax credit and above-average electricity rates help make solar financially attractive.

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