Plug-in solar in Vermont: is it worth it for you?
Payback, savings and what is allowed in Vermont. With your own power price, no email and no sign-up.
What applies in Vermont
Allowed with limits- Up to 1,200 W inverter output
- In force since July 1, 2026
- Plug type: NEMA 5-15 (standard 120 V outlet)
Registration steps
- Buy a device certified to UL 3700 (or equivalent NRTL certification) that operates per IEEE 1547-2018 and prevents energizing the building during an outage. ↗
- Plug the cord into a receptacle on a smart-metered service; combined inverter capacity max 1,200 W per meter. Secure the device to the ground or a structure. ↗
- Renters: give the landlord 10 days' notice; landlord may reply with reasonable restrictions within 10 days, else you may proceed. ↗
- Act 149 (S.202), signed 2026-06-16, effective 2026-07-01. Only on smart-meter services.
- Customers with a net-metering system may not also install a plug-in device; exports are not compensated.
- Strictest certification: UL 3700 (or equivalent) required.
Rules checked November 5, 2026. Sources
Typical payback by mounting spot
Standard kit (2 panels), about $2,160 at the average Vermont power price of $0.24 per kWh, with someone home part of the day.
| Mounting spot | Generated per year | Saved per year | Payback |
|---|---|---|---|
| Balcony railing, facing south | 775 kWh | $166 | 11–15 years |
| Balcony railing, facing east | 642 kWh | $141 | 14–17 years |
| Balcony railing, facing west | 642 kWh | $141 | 14–17 years |
| Tilted, facing south | 1,107 kWh | $226 | 8–11 years |
| Tilted, facing east | 941 kWh | $197 | 10–12 years |
| Tilted, facing west | 941 kWh | $197 | 10–12 years |
| Flat (roof or garden) | 996 kWh | $207 | 9–12 years |
Kits allowed in Vermont
Filtered by the local limit, not by commission. We earn a fee on affiliate links; your price does not change.
Common questions
Tenants and flat owners
Tenant may install after 10 days' notice; landlord may set reasonable restrictions (incl. requiring a licensed electrician at tenant's cost) but need not pay for electrical work. Zoning bylaws and deed covenants may not bar the device.
Grid operator
No notice required. Utility may not require approval, fees or extra equipment, but may recover costs if the device overloads the service.
Still being confirmed
Still being confirmed
We could not yet confirm the following from an official source. Treat them as provisional.
- plugType: Act says 'electrical cord plugged into a receptacle'; NEMA 5-15 assumed.
Sources
- Vermont Act 149 (S.202) as enacted (2026-11-05)
- Bright Saver legislation tracker (2026-11-05)
- EIA Electric Power Monthly, Table 5.6.A: Average Price of Electricity by State, August 2026 (2026-11-05)
- The Green Watt: Average peak sun hours by state (NREL PVWatts v8 / NSRDB, largest city per state) (2026-11-05)