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Maine

Maine offers net metering and Solar Energy Credits to support adoption.

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ME context
Avg residential price: 30.7¢/kWh (2026-01)Emissions: 0.12 kgCO₂/kWh (eGRID)
State pageData
Updated Apr 4·Sources:U.S. EIA Open Data API v2U.S. EIA Open Data API v2All sources →
Energy Freedom Report Card
B-67/100
Solar Policy
75
Incentives
65
Rate Environment
75
Battery & Storage
50
EV & Electrification
55
Net metering: UnknownCommunity solar: Unknown
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title: Solar & Energy in Maine state: Maine overview: "Maine offers net metering and Solar Energy Credits to support adoption." tags: ["Net metering", "Solar credits"] summary: State-specific policies, incentives, and renewable energy information for Maine.

Solar & Energy in Maine

Maine provides strong incentives including net metering and solar energy credits.

Key Programs

Federal Solar Investment Tax Credit (ITC)

  • 30% federal tax credit through 2032

Net Energy Billing

  • Retail rate credit for excess generation
  • Rollover of credits
  • Community solar available

Solar Energy Credits

  • Additional revenue stream
  • Performance-based incentives

Property Tax Exemption

  • Solar equipment exempt from property tax

Sales Tax Exemption

  • No sales tax on solar equipment

Community Solar

Shared Solar Programs

  • Available for renters and non-ideal roofs
  • Subscribe to local solar farms
  • Receive bill credits

Getting Started in Maine

  1. Explore net billing vs community solar
  2. Register for solar energy credits
  3. Calculate total incentive value
  4. Compare installer options

Visit Efficiency Maine or try our Solar Sizing Tool.

Frequently Asked Questions About Maine

Does Maine have net metering?▾
Net metering availability in Maine varies by utility. Contact your local utility for current policies and export compensation rates.
Is community solar available in Maine?▾
Community solar options in Maine are currently limited or not widely available. Check EnergySage or your utility's website for any new programs.
What solar incentives are available in Maine?▾
In addition to the 30% federal Investment Tax Credit (ITC), Maine offers: Federal clean energy credit (demo). Incentive details change frequently — use our Incentive Finder tool for the latest information and verify with official sources.
What's the average electricity rate in Maine?▾
Demo only: electricity pricing varies by provider, plan, time-of-use, and fees. Replace with real rate data later. For accurate, up-to-date pricing, check your most recent utility bill or use our Bill Decoder tool. Higher rates generally mean faster solar payback periods.
How long does solar installation take in Maine?▾
The physical installation typically takes 1-3 days for a residential system. However, the full process — from signing a contract to having your system producing power — usually takes 2-4 months in Maine. This includes site assessment, permitting, installation, inspection, and utility interconnection approval. Timelines vary by contractor and local jurisdiction.
Find all incentives for Maine →

Major Metro Areas

Explore solar conditions and costs for specific cities in Maine.

Portland4 sun hrs · 22¢/kWh
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