Solar Installers in Maine
Compare top-rated solar companies in Maine. Average cost: $2.88/W · 4.1 peak sun hours · 27.78¢/kWh electricity rate.
Get Free Maine Solar Quote →Solar Energy in Maine: Complete Guide
Maine is one of the best states in the nation for residential solar energy. With an average electricity rate of 27.78 cents per kilowatt-hour and 4.1 peak sun hours per day, homeowners across Maine can generate significant energy savings by going solar. The average 8kW solar system in Maine costs $23,040 before incentives and $16,128 after the 30% federal tax credit.
An 8kW system in Maine produces approximately 11,972 kWh per year — enough to offset most or all of a typical household's electricity consumption. At current electricity rates, that translates to annual savings of approximately $3,326, with a payback period of around 8 years.
Maine's net metering policy is classified as full retail rate, which means homeowners receive full retail rate credit for excess energy sent to the grid — maximizing the financial return on solar investment. The state has a Renewable Portfolio Standard requiring 80% renewable energy, which supports continued solar growth.
Maine Solar Cost Breakdown
| System Size | Before Incentives | After 30% ITC |
|---|---|---|
| 5 kW | $14,400 | $10,080 |
| 8 kW | $23,040 | $16,128 |
| 12 kW | $34,560 | $24,192 |
Maine exempts solar installations from property tax assessments, meaning your home value increases without raising your property taxes. Over a 25-year period, the typical Maine homeowner saves $67,018 with solar — making it one of the best long-term investments available for your home.
Solar by County in Maine
Top Cities for Solar in Maine
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Maine Solar FAQ
How much do solar panels cost in Maine?▼
The average cost of solar panels in Maine is $2.88 per watt before incentives. For a typical 8kW system, that's $23,040 before the 30% federal tax credit, or $16,128 after. Actual costs vary based on your roof, equipment choice, and installer.
How much can I save with solar in Maine?▼
Maine homeowners with an 8kW solar system can save an estimated $67,018 over 25 years. With an average electricity rate of 27.78¢/kWh and 4.1 peak sun hours per day, solar is a strong investment in Maine. The average payback period is 8 years.
Does Maine have net metering?▼
Maine offers full retail rate net metering. This means you receive full retail rate credit for excess solar energy sent back to the grid, maximizing your savings.
What solar incentives are available in Maine?▼
Maine homeowners can take advantage of the 30% federal solar Investment Tax Credit (ITC) through 2032. Solar installations are exempt from property tax increases.
How many peak sun hours does Maine get?▼
Maine averages 4.1 peak sun hours per day annually. This means an 8kW solar system in Maine would produce approximately 11,972 kWh per year. Peak sun hours vary by season and specific location within the state.
Is solar worth it in Maine?▼
Yes, solar is worth it for most homeowners in Maine. With a 8-year average payback period and 25+ year panel lifespan, you'll enjoy 17+ years of essentially free electricity after your system pays for itself. The combination of 27.78¢/kWh electricity rates, 4.1 peak sun hours, and available incentives makes Maine a great state for solar.
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Quick Maine Solar Facts
- ☀️ Peak Sun Hours: 4.1h/day
- 💡 Electricity Rate: 27.78¢/kWh
- 💰 Cost per Watt: $2.88
- 📊 Net Metering: Full Retail Rate
- 🔋 Payback Period: 8 years
- 🌱 RPS Goal: 80%
- 🏠 Property Tax: Exempt