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New Hampshire · NH

Solar Panels in New Hampshire:
Is It Worth It in 2026?

New Hampshire averages 1264.3 kWh per kWp per year with 4.5 peak sun hours per day. At 26.32¢/kWh, an 8 kW system saves roughly $2,662/year and pays back in about 5.7 years.

New Hampshire Solar at a Glance

Peak sun hours / day4.5 hrs
Avg solar yield1264.3 kWh/kWp/yr
Electricity rate26.32¢ / kWh
Avg payback (8 kW)5.7 years
Annual savings (8 kW)$2,662/yr
Net meteringFull retail net metering ✓

EIA data updated: April 11, 2026 · EIA, PVGIS v5.3

Solar Incentives in New Hampshire

Federal ITC
30%

The 30% federal solar tax credit (Section 25D) expired December 31, 2025. Cash and loan purchases no longer qualify. State incentives below still apply.

State Programs
Rebates & Exemptions

SREC-II program, Eversource/Liberty net metering, property tax exemption

Total Savings
Varies

Utility rebates, exemptions, and net metering still apply. Federal ITC expired Dec 2025. Property value increase is tax-exempt.

All Available Incentives in New Hampshire

Federal ITC (Section 25D) — Expired December 31, 2025 — no longer available for residential cash/loan
Property Tax Exemption — Solar-added home value not taxed
SREC Market — Earn certificates for energy produced
Net Metering — Full retail net metering ✓

How Much Solar Power Do New Hampshire Cities Get?

Real PVGIS yield data and EIA electricity rates for all 3 cities. Click any city for detailed payback calculations.

Manchester
1264.3 kWh/kWp · 5.7 yr payback
Nashua
1267.2 kWh/kWp · 5.7 yr payback
Concord
1261.3 kWh/kWp · 5.7 yr payback
Personalized estimate

Enter your monthly bill — get exact payback numbers for New Hampshire.

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All New Hampshire incentives

Full breakdown of credits, rebates, net metering, and SREC programs.

Incentives

Solar in New Hampshire: Frequently Asked Questions

Is solar worth it in New Hampshire?
Yes — New Hampshire is one of the best solar states in the US. At 26.32¢/kWh and 1264.3 kWh/kWp/year, an 8 kW system pays back in just 5.7 years and generates an estimated $48,996 over 25 years. New Hampshire has the highest electricity rates in New England (~26¢/kWh), making solar highly cost-effective despite fewer sun hours.
What solar incentives are available in New Hampshire?
New Hampshire homeowners can stack multiple incentives: the state solar incentives (federal ITC expired Dec 2025) (ITC) — $6,480 on a typical 8 kW system; a property tax exemption (solar-added home value not taxed); and net metering through Eversource NH / Liberty Utilities. New Hampshire has the highest electricity rates in New England (~26¢/kWh), making solar highly cost-effective despite fewer sun hours.
How much electricity do solar panels produce in New Hampshire?
New Hampshire averages 1264.3 kWh per kWp of solar per year — 16% below the US average. An 8 kW system produces roughly 10,114 kWh/year, with a monthly average of 105.4 kWh/kWp. Output varies by location: southern New Hampshire produces more than the north.
How much do solar panels cost in New Hampshire?
The average 8 kW system in New Hampshire costs approximately $21,600.0 before incentives. After the 30% federal ITC ($6,480), your net cost is around $15,120. Prices range from $2.40–$3.20/watt installed depending on installer, panel brand, and cold winters and snow — rear-tilt helps shed snow.

Going Solar in New Hampshire: Step by Step

From first quote to first kilowatt — here is the typical timeline for a residential solar installation in New Hampshire. Most homeowners complete this process in 6–12 weeks.

  1. 1
    Get 3 quotes

    Prices in New Hampshire average $22,400 for an 8 kW system before incentives. Getting three quotes typically saves 10–15%. Use the same system size so you can compare apples to apples.

  2. 2
    Review your electricity bill

    Your last 12 months of usage determines the right system size. At 26.32¢/kWh in New Hampshire, a system that offsets 90% of your bill hits the best cost-per-kWh sweet spot.

  3. 3
    Check state incentives

    New Hampshire does not have a statewide solar tax credit, but utility rebates and net metering may still apply. SREC-II program.

  4. 4
    Sign contract & apply for permits

    Your installer pulls the building permit and files interconnection paperwork with your utility. Permit approval in New Hampshire typically takes 1–4 weeks depending on your county.

  5. 5
    Installation day

    A standard 8 kW residential installation takes 1–2 days. Racking goes on first, then panels, then the inverter is wired to your main panel. The crew usually keeps the power on throughout.

  6. 6
    Utility inspection & interconnection

    After installation your utility inspects the system and approves grid connection. This final step can take 1–3 weeks. Once approved, your meter tracks both import and export.

Data summary for New Hampshire: New Hampshire averages 1264.3 kWh/kWp/year with 4.5 peak sun hours/day. Electricity costs 26.32¢/kWh. An 8 kW solar system saves ~$2,662/year and pays back in 5.7 years. SREC-II program, Eversource/Liberty net metering, property tax exemption.