SunPowerPeek

New HampshireSolar Panel Costs & Savings

New Hampshire averages 3.7 hrs of peak sun per day with an average payback period of 7.2 years. Homeowners can save $44,600 over 20 years.

Peak Sun Hours

3.7 hrs

per day

6kW System Cost

$20,100

before incentives

Payback Period

7.2 yrs

average

20-Year Savings

$44,600

estimated

Solar Cost Breakdown in New Hampshire

ItemAmount
6kW System Cost ($3.35/W)$20,100
Federal Tax Credit (30%)-$6,030
Net Cost$14,070

Net Metering

Full Net Metering

Electricity Rate

25.78¢/kWh

Avg Monthly Bill

$136/mo

Solar Incentives in New Hampshire

Federal Solar Investment Tax Credit (ITC)

The federal ITC allows homeowners to deduct 30% of solar installation costs from federal taxes. Available for systems installed through 2032, stepping down to 26% in 2033 and 22% in 2034.

30% of system cost
tax creditExpires: 2034-12-31

View all state solar incentives

Solar Potential by ZIP Code in New Hampshire

ZIPCitySun HoursAnnual SavingsPayback
03801Portsmouth3.8 hrs$1,7638 yrs
03001Amherst3.7 hrs$1,7178.2 yrs
03101Manchester3.7 hrs$1,7178.2 yrs
03301Concord3.7 hrs$1,7178.2 yrs

Compare With Other States

More Data for New Hampshire

Frequently Asked Questions

How much do solar panels cost in New Hampshire?

A typical 6kW solar system in New Hampshire costs approximately $20,100 before incentives. After the 30% federal tax credit ($6,030), the net cost is approximately $14,070.

How long does solar take to pay for itself in New Hampshire?

The average solar payback period in New Hampshire is 7.2 years, faster than the national average of 9.4 years. After payback, homeowners enjoy free electricity for the remaining system life.

Does New Hampshire have net metering?

New Hampshire has full net metering. Homeowners receive full retail rate credits for excess solar energy sent to the grid.

How much sun does New Hampshire get for solar?

New Hampshire averages 3.7 peak sun hours per day, which is 0.8 hours below the national average. A 6kW system produces approximately 8,103 kWh per year.

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Data verified March 2026 · Source: NREL, DSIRE, EIA