Solar Panel Cost in New Hampshire (2026)
Solar panel costs in New Hampshire depend on system size, roof type, local labor rates, and your utility's net metering rules. In New Hampshire, a typical 6 kW residential system runs $14,140–$24,990 before incentives, with 30% federal tax credit reducing net cost to about $9,900–$17,490. Average electricity rate: 22.5¢/kWh.
Quick answer
In New Hampshire, a 6 kW solar panel system costs about $18,150 installed (7.4-year payback). After the 30% federal tax credit, net cost is roughly $12,700. Annual savings: ~$1,720/year at 22.5¢/kWh.
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Estimate for New Hampshire
$8,500 net after tax credit
~4 kW system · $12,100 before 22.5¢/kWh incentives
Annual savings
$1,145
Payback
7.4 years
30-year savings
$30,915
New Hampshire vs US Average
| Metric | NH | US avg |
|---|---|---|
| 6 kW system (before credit) | $18,150 | $16,271 |
| Net cost after 30% ITC | $12,700 | $11,390 |
| Cost per watt | $3.03/W | — |
| Annual electricity savings | $1,720 | $1,335 |
| Payback period (years) | 7.4 yrs | 9 yrs |
| Electricity rate | 22.5¢/kWh | — |
Updated 2026-07-07. Estimates only.
What affects solar costs in New Hampshire?
- Installer pricing in New Hampshire averages $3.03/watt — above the US median
- 4.1 peak sun hours/day drives production and payback speed
- Federal Investment Tax Credit (ITC) covers 30% of system cost through 2032 for qualifying homeowners
- New Hampshire utility rates at 22.5¢/kWh affect monthly bill savings
Solar installation costs in New Hampshire reflect local labor rates, permit fees, and utility interconnection rules. A typical 6 kW system runs $14,140–$24,990 before the 30% federal tax credit, with net cost around $9,900–$17,490.
New Hampshire averages 22.5¢/kWh and 4.1 peak sun hours per day — moderate solar production potential for rooftop systems.
Incentives in New Hampshire
New Hampshire homeowners may qualify for the 30% federal ITC plus any active state or utility rebates. Verify current programs at dsireusa.org before signing a contract.
How to maximize solar ROI in New Hampshire
- Compare at least three installer quotes in New Hampshire
- Model payback using your actual utility rate and usage
- Ask whether net metering or buyback rates apply in your utility territory
- Confirm ITC eligibility with a tax professional
New Hampshire install costs average $3.03/W with estimated 7.4-year payback on a 6 kW system — above US national averages.
Cost snapshot — NH
- 6 kW system
- $14,140 – $24,990
- After 30% tax credit
- $9,900 – $17,490
- Annual savings
- $1,410 – $1,980
- Battery add-on
- $7,420 – $13,360
Frequently Asked Questions
How much do solar panels cost in New Hampshire?
A 6 kW solar system in New Hampshire typically costs $14,140–$24,990 installed. After the 30% federal tax credit, net cost is about $9,900–$17,490. Cost per watt ranges from $2.57–$3.57.
What is the solar payback period in New Hampshire?
In New Hampshire, estimated payback is 5.5–10.4 years for a 6 kW system, with an average around 7.4 years. Higher electricity rates and sun exposure shorten payback.
How much can I save on electricity in New Hampshire?
A 6 kW system in New Hampshire may save $1,410–$1,980 per year on electricity, depending on usage, shading, and net metering. Over 25–30 years, cumulative savings can reach $35,250–$59,400.
Is solar worth it in New Hampshire in 2026?
Solar in New Hampshire is worth evaluating if you pay 22.5¢/kWh or more, have a south-facing roof with minimal shade, and plan to stay in your home past the payback period (~7.4 years). Use our calculator for a personalized estimate.
Related solar resources
How We Calculate Solar Costs
MySunROI estimates combine NREL residential PV installed-price benchmarks, EIA state electricity rates, and regional labor modifiers — updated 2026-07-07.
Estimates for informational purposes only. Last updated 2026-07-07. Estimates based on NREL PV cost benchmarks, EIA electricity rates, and 2026 installer pricing surveys.