The 5 best solar installers in New Hampshire
ReVision Energy Local
Why listed: Employee-owned, B Corp certified. Long-running northern New England residential and commercial installer.
Granite State Solar Local
Why listed: NH-based residential solar installer with strong statewide reputation.
NH Solar Garden Local
Why listed: NH-focused residential solar installer.
Sundog Solar Local
Why listed: Maine-based regional installer with NH coverage.
Sunrun National
Why listed: Largest U.S. residential solar provider. Lease/PPA-focused.
New Hampshire solar economics in 2026
| Metric | New Hampshire average |
|---|---|
| Average residential rate | $0.22–$0.28 / kWh |
| Typical 8 kW system cost (cash) | $22,000–$28,000 before incentives |
| Average $/W | $2.85–3.60 |
| Average annual production (kWh per kW) | ~1,150–1,300 kWh/kW/year |
| Net metering structure | Net metering at retail (under cap) |
| Average cash payback | 9–12 years |
For full state-by-state cost comparison see solar cost by state.
New Hampshire incentives and rebates
- State residential rebate: Public Utilities Commission residential rebate (verify current availability).
- Property tax exemption: Added home value from solar exempt from property tax.
- Federal commercial ITC for lease/PPA financing.
- Federal commercial ITC: Lease and PPA structures benefit from the commercial ITC pass-through. See federal tax credit guide.
What to verify before signing in New Hampshire
- Contractor license: Verify with your state contractor licensing authority before signing.
- NABCEP certification: Most reputable installers carry NABCEP-certified installers on staff. Ask which crew member holds the certification.
- Insurance: General liability + workers comp + roofer's insurance separate from electrical insurance.
- References from your county: Permitting and inspection requirements vary. Ask for 2–3 references from your specific county.
- Get at least three bids: Solar bids vary by 20–35% on the same scope of work. See how to compare solar bids.
Got bids from New Hampshire installers? Compare them properly.
Upload up to four solar proposals from any New Hampshire installer. The analyzer compares $/W, production estimates, equipment, and financing structure — and tells you which one to sign.
Analyze My Bids →Frequently asked questions about New Hampshire solar
Does solar make sense in New Hampshire?
Yes for most homeowners with a $150+ monthly electric bill, an unshaded roof, and 8+ years of expected ownership. New Hampshire's specific economics are summarized in the table above.
How much does a typical New Hampshire solar install cost in 2026?
$22,000–$28,000 for an 8 kW system before incentives. Effective net cost depends on your state and utility incentives.
Should I get more than three bids?
Yes — three is a minimum. Four or five is better. Solar bids vary by 20–35% on the same scope of work. See how to compare solar bids.
Are there other reputable New Hampshire solar installers besides these?
Many. The list above represents installers with strong public profiles in New Hampshire; reputable installers exist beyond it. Get bids from a mix and compare them objectively rather than relying on any one list.