H 4744 / H 5151 — An Act Relative to Plug-In Solar Devices
Sponsored by: Rep. Jeff Roy (H 4744)
Passed One Chamber
pipeline complete
Passage Likelihood
78%
Passed the House. Now in Senate. Massachusetts has the 3rd highest electricity rates in the US ($0.294/kWh). Strong consumer and environmental advocacy. Senate leadership supportive. No fixed session deadline — can pass any time.
Session Deadline
Year-round (no fixed adjournment)
Legislative calendar cutoff
Expected Timeline
Senate vote expected May–June 2026. Governor Healey (D) expected to sign if passed.
Exempts certified plug-in solar devices from utility interconnection requirements. Prohibits utilities from charging extra fees. Allows self-installation.
If passed: self-install without Eversource or National Grid approval.
Law not yet enacted. Massachusetts utilities currently require interconnection agreements.
Massachusetts SMART (Solar Massachusetts Renewable Target) program provides monthly incentive payments for solar generation. Massachusetts Renewable Energy Source Credit: 15% state tax credit on solar costs (up to $1,000). Sales and property tax exemptions apply to solar equipment. The federal 30% ITC (Section 25D) expired December 31, 2025.
Program Links
Opens official state legislature website in a new tab.
Massachusetts 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.