Balcony Solar in Massachusetts
Massachusetts folded plug-in solar into a broad energy-affordability bill with a 1,200 W cap. The House and Senate each passed their own versions; a conference committee was appointed in July 2026 to reconcile them.
Reviewed August 6, 2026 against primary sources. Laws change — the sources below let you re-check.
Would Massachusetts's bill require UL 3700?
No — the bill does not name UL 3700.
Reported to reference UL certification, a 1,200 W cap, and a ban on utility fees; the exact statutory clause could not be extracted from primary text. Does not name UL 3700.
Why this matters: “certified by UL” names an organization; “certified to UL 3700” names a plug-in-PV standard. They are not the same claim. Full explainer →
What's still unsettled
- Omnibus bill in conference committee (appointed July 16, 2026); not yet law.
- Certification specifics are from secondary sources, not confirmed verbatim.
Before you buy in Massachusetts
This bill is not law yet — until it passes and takes effect, Massachusetts's existing utility and electrical rules apply. Even once it passes, the gear has to actually be certified to what the law asks, and today no plug-in kit sold in the US carries UL 3700 yet. What "UL 3700 certified" really means →