Solar panels in New Hampshire
What a residential solar system actually costs in New Hampshire in 2026 — plus incentives, payback, and how to pick a vetted installer.
The real cost of solar in New Hampshire
A typical 8.5 kW rooftop system in New Hampshire runs about $26,775 installed. The federal Residential Clean Energy Credit knocks 30% off — around $8,033 — bringing the net price to roughly $18,742.
New Hampshire adds its own incentive: $1,000 residential rebate. Stack that on top of the federal credit.
What you'll produce — and save
- ~10,673 kWh/year from a 8.5 kW system at 4.3 peak sun hours.
- At 22.9¢/kWh that's $2,444/yr off your electric bill in year one.
- Estimated payback: 7.7 years.
- 25-year net savings (2.5% annual rate escalation): $64,740.
Estimates only. Actual production depends on roof orientation, shade, equipment and your utility's specific tariff.
Net metering in New Hampshire
New Hampshire operates under a net billing policy for residential solar exports. Exports are credited at a wholesale/avoided-cost rate rather than the retail rate. Batteries usually improve payback under this policy.
Top New Hampshire metros we cover
FAQ
How much do solar panels cost in New Hampshire?
A typical 8.5 kW residential system in New Hampshire costs about $26,775 before incentives, or roughly $3.15 per watt installed. After the 30% federal tax credit that drops to about $18,742.
Is solar worth it in New Hampshire?
With an average residential electricity rate of 22.9¢/kWh and 4.3 peak sun hours per day, a properly sized system typically pays for itself in about 7.7 years and saves roughly $64,740 over 25 years.
Does New Hampshire have net metering?
New Hampshire operates under a net billing policy for residential solar exports. Exact credit values vary by utility — always confirm with the specific utility serving your address.
What state incentives are available in New Hampshire?
State incentive: $1,000 residential rebate. Property tax exemption: No. Sales tax exemption: No. The 30% federal Residential Clean Energy Credit also applies.
Get vetted New Hampshire installer quotes.
SolarPros only lists installers who pass our licensing, insurance and reputation checks. Free to request — no pressure.
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Sources: EIA average residential electricity rates, NREL PVWatts sun hour data, DSIRE state incentive database, LBNL "Tracking the Sun" installed-cost benchmarks. Figures are estimates for guidance only, not a binding quote.