Gov. Ayotte signs SB 540 into law

New Hampshire's plug-in solar bill, SB 540-FN, moved through the legislature in 2026 and was enrolled in mid-June after passing both bodies. Gov. Kelly Ayotte signed the balcony solar bill in early July, clearing the last hurdle for the measure to become law.

What the bill does

SB 540 establishes a category for plug-in solar generation systems in New Hampshire, giving residents a legal, straightforward path to use small portable panels that connect to a standard outlet.

Timing

With the governor's signature secured, attention turns to the effective date and any implementation details. Confirm the current requirements with your utility before installing.