Plug-in solar in Maine
Law in effect
Yes. Maine's plug-in solar law (LD 1730) is in effect since July 29, 2026. It covers kits with up to 1,200 W of output, combined inverter output per service address.
The device
- Power limit
- 1,200 W (combined inverter output per service address)
- Small-device threshold
- 420 W
- Certification
- UL 3700 or comparable
- Electrical code (NEC)
- Must meet the National Electrical Code
- Stops when the grid goes down
- Required
Your utility
- Approval
- Not required
- Notice
- Notify the utility within a set number of days (30 days)
- Details
- Notice to the utility within 30 days for systems over 420 W.
- Fees
- Utility may not charge fees
- Interconnection agreement
- Not needed
Renters
- Protected
- Not addressed by this law
Homeowners associations
- Protected
- Not addressed by this law
Local permits
- May apply
- Not specified
Electricity price
- Average home rate
- 27.9¢ per kWh
Sources
Data as of October 8, 2026. Reference only, not legal advice. Check the bill text, your utility and your landlord or association.
Other states with plug-in solar laws
- California Signed, not yet effective
- Colorado Law in effect
- Connecticut Law in effect
- Maryland Law in effect
- New Hampshire Signed, not yet effective
- New Jersey Signed, not yet effective
- Utah Law in effect
- Vermont Law in effect
- Virginia Signed, not yet effective