How much can balcony solar save in New Hampshire?

At New Hampshire's average residential rate of about 26.9¢/kWh, a typical 800W plug-in kit saves roughly $188/year. Use the balcony solar calculator for a precise estimate based on your home and sun exposure.

Is plug-in solar legal in New Hampshire?

Legal — signed into law

Yes. New Hampshire has signed plug-in solar into law (SB 540). Signed by Gov. Ayotte on May 28, 2026 as Chapter 89 (7th state). Effective July 27, 2026.

SB 540 — key provisions

No utility fees or prior approval; self-install without a permit.
Highest electricity rates in the continental US.

Avg electricity rate

26.9¢/kWh

Est. savings, 800W kit

~$188/yr

Legal size cap

1,200W

Safety basics (everywhere)

Regardless of your state's law, use a kit with a UL 1741 (or UL 3700) certified microinverter, plug into a GFCI-protected outlet on a dedicated circuit, and don't exceed the circuit's rating. These are the same safety rules the new state laws are built around.

Thinking about balcony solar in New Hampshire?

Ask the free Energy Advisor about the rules and your savings, or jump straight to the calculator.

Estimate your exact payback

Our balcony solar calculator models production, savings, and payback for New Hampshire using your home's sun exposure and the best available kits.

Open the balcony solar calculator →

General guidance, not legal advice. Plug-in solar law is changing quickly; this reflects our reading of New Hampshire legislative records and reporting as of June 18, 2026. Confirm the current rule with the New Hampshire legislature and your utility before installing. See all states →