Is Plug-In Solar Legal in Massachusetts?
Bill pending — not law Avg rate ~30¢/kWh
Last verified: August 18, 2026 · source data
A grid-tie kit feeds power into your home while the sun is up, which lowers what you draw from the utility. It shuts down in a blackout by design, so that line workers are not exposed to your power.
A power station does the opposite. It will run your fridge in an outage and it lowers nothing on an ordinary day.
Most people who arrive on this page want the first one. If you want backup as well, that is a second purchase, not a bigger version of the first.
→ For daily bill offset: balcony solar kits
→ For outages: power stations
Two systems, one job. For plug-in solar that feeds your home and lowers the bill, the head-to-head worth reading is EcoFlow Stream vs Anker SOLIX — two balcony systems doing that same job.
A different job: a portable power station is backup power for an outage. It is not a substitute for a grid-tie kit and it does not lower your bill. If that is what you are after: Anker C1000 vs EcoFlow DELTA 3 · C1000 vs C2000 · Anker vs EcoFlow at brand level
High rates make even small systems worthwhile. Plug-in specifics undefined; confirm interconnection with your utility.
H.5175 — the bill, and where it stands
There is no plug-in solar statute in Massachusetts. There is a bill, and it is further along than in most states.
The House passed H.5175, an energy bill, on 26 February 2026 by 128 votes to 27. The Senate replaced its text with its own version on 1 July 2026 and passed that 32 to 8. The House then refused to accept the Senate’s version on 16 July, and a six member conference committee was appointed to settle the difference: Cusack, Michlewitz and Jones for the House, Barrett, Creem and Tarr for the Senate.
The plug-in solar language sits in the Senate version. The Legislature’s own full text search returns the Senate engrossed text, Senate No. 3166, as the only document in the current session containing the phrase “plug-in solar”. We have not read the section itself, so we are not quoting a wattage limit or a certification standard here.
That is the part worth understanding. The version the House declined is the one carrying plug-in solar. Whether Massachusetts gets a plug-in solar law this session depends on what those six people agree.
Nothing has moved since 16 July 2026. Read on 18 August 2026.
Before you buy in Massachusetts
Call your electric utility and ask: (1) do they allow small plug-in / behind-the-meter grid-tied solar, and (2) is any notification or interconnection form required? Stay within the wattage they specify, use a UL-listed microinverter, and keep written confirmation.
Then estimate your numbers with our savings calculator (pre-loaded with Massachusetts's rate).
Ready to start? If you want backup power for outages rather than a grid-tied kit, see our power stations guide →
Nearby states: Rhode Island · Connecticut · New York · New Hampshire · Vermont · see the full 50-state tracker.