Is plug-in solar legal in New Hampshire?
Not yet. SB 540 (Chapter 262, 2026) has been signed and takes effect on 1 Jan 2027. Until then, your utility's normal rules for connecting solar apply.
New Hampshire law
Signed, not in force yetState law: signed, and takes effect on 1 Jan 2027. Until then, your utility's normal rules apply.
- In force from
- 1 Jan 2027
- Size cap
- 1,200 W (AC inverter output; one system per metered customer)
- Law
- SB 540 (Chapter 262, 2026)
- Progress
- Signed on 2 Jul 2026.
- Certification
- Not verified yet
- Landlord
- Statute is silent.
- HOA
- Statute is silent.
- Tell your utility?
- No approval, fee or extra equipment. Utility may set up an optional post-install notification.
- Export credit
- None — not subject to net energy metering.
More about plug-in solar in New Hampshire
How big a plug-in solar kit is allowed in New Hampshire?
State law: up to 1,200 W (AC inverter output; one system per metered customer).
Do I need to tell my utility in New Hampshire?
State law: No approval, fee or extra equipment. Utility may set up an optional post-install notification.
Can a landlord or HOA stop plug-in solar in New Hampshire?
State law. Landlords: Statute is silent. HOAs: Statute is silent.
Do I get paid for power a plug-in kit sends to the grid in New Hampshire?
State law: None — not subject to net energy metering.
How much would a plug-in solar kit save in New Hampshire?
It depends on which way the panels face, their tilt, how much of the power your home uses as it is made, and your utility's rate. The average residential electricity price in New Hampshire was 26.8¢/kWh (our 12-month average of EIA data, Aug 2025–Jul 2026). The calculator on canipluginsolar.com models it hour by hour for your address.