SB 540-FN — Relative to Plug-In Solar Devices
Sponsored by: Sen. Rebecca Perkins Kwoka
Passed One Chamber
pipeline complete
Passage Likelihood
88%
Passed Senate. House committee voted 6-0 'Ought to Pass' — effectively a near-certain House floor passage. NH has highest electricity rates in the continental US ($0.281/kWh), creating strong consumer demand. Bipartisan support.
Session Deadline
June 30, 2026
Legislative calendar cutoff
Expected Timeline
Full House vote expected April–May 2026. Governor Kelly Ayotte (R) has not signaled opposition. Likely signed by June 2026.
Prohibits utilities from charging any extra fees or requiring prior approval for plug-in kits. Caps systems at 1,200 watts per meter. Allows self-installation without a permit.
If passed: install up to 1,200W without utility approval or fees.
Law not yet enacted. Eversource and Unitil currently require interconnection agreements.
New Hampshire has no state sales tax — solar equipment purchases are fully tax-free. NEM 2.0 credits solar exports at ~85% of retail rate, locked through 2041. Property tax exemption available in ~66% of NH towns. Eversource offers a battery storage rebate ($230/kWh, up to $3,000). The federal 30% ITC (Section 25D) expired December 31, 2025.
Program Links
Opens official state legislature website in a new tab.
New Hampshire has a fully deregulated electricity market. You may be able to get plug-in solar bundled with your electricity plan through a Retail Energy Provider (REP) — potentially at lower cost than buying hardware outright.
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This information is for educational purposes only. Laws change frequently. Consult a local attorney for legal advice specific to your situation.