The 5 best solar installers in Maine
ReVision Energy Local
Why listed: Employee-owned, B Corp certified. Long-running NE residential and commercial installer with strong reputation across northern New England.
Sundog Solar Local
Why listed: Maine-based residential installer with strong reputation along the midcoast and statewide.
Sunergy Solutions Local
Why listed: Maine-based residential and commercial solar installer with strong statewide coverage and customer service track record.
Maine Solar Solutions Local
Why listed: Founded 2012. NABCEP-certified installers + Master Electrician on staff. Designs and installs solar electric systems, battery backup, and off-grid systems for residential and commercial customers. Uses Silfab, REC, QCells, and Canadian Solar panels.
Sunrun National
Why listed: Largest U.S. residential solar provider. Lease/PPA-focused.
Maine solar economics in 2026
| Metric | Maine average |
|---|---|
| Average residential rate | $0.20–$0.27 / 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 energy billing program (NEB) at retail-equivalent rates |
| Average cash payback | 9–12 years |
For full state-by-state cost comparison see solar cost by state.
Maine incentives and rebates
- Efficiency Maine rebates: Heat pump and electrification incentives often pair with solar projects.
- 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 Maine
- 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 Maine installers? Compare them properly.
Upload up to four solar proposals from any Maine 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 Maine solar
Does solar make sense in Maine?
Yes for most homeowners with a $150+ monthly electric bill, an unshaded roof, and 8+ years of expected ownership. Maine's specific economics are summarized in the table above.
How much does a typical Maine 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 Maine solar installers besides these?
Many. The list above represents installers with strong public profiles in Maine; reputable installers exist beyond it. Get bids from a mix and compare them objectively rather than relying on any one list.