Plug-in solar in Connecticut
Law in effect
Yes. Connecticut's plug-in solar law (HB 5340) is in effect since October 1, 2026. It covers kits with up to 1,200 W of output, maximum per electric meter.
The device
- Power limit
- 1,200 W (maximum per electric meter)
- Certification
- UL 1741 by UL or equivalent, IEEE 1547 and State Building Code
- Electrical code (NEC)
- Must meet the National Electrical Code
- Stops when the grid goes down
- Required
Your utility
- Approval
- Not required
- Notice
- No notice to the utility required
- Fees
- Utility may not charge fees
- Interconnection agreement
- Not needed
Renters
- Protected
- Not addressed by this law
- Details
- The law gives renters no right to install; get written permission from the landlord.
Homeowners associations
- Protected
- Not addressed by this law
- Details
- Nothing in the law stops an HOA or condo association from restricting plug-in solar.
Local permits
- May apply
- Yes
- Details
- Local ordinances, the State Building Code and fire codes still apply.
Electricity price
- Average home rate
- 28.6¢ per kWh
Sources
- pluginsolarus.com/states
- environmentamerica.org/connecticut/updates/gov-lamont-signs-solar-energy-bill/
- pluginsolarguide.com/compare-laws
- pluginsolarguide.com/connecticut
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
- Maine 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