State count
Eight signed-law states are tracked as allowed.
Utah, Colorado, Connecticut, Maine, Maryland, New Hampshire, Vermont, and Virginia are marked
green because a signed pathway is now tracked. Several still require buyers to confirm
effective dates, utility notice, and local code details.
Awaiting signature
New Jersey and New York remain pending.
New Jersey's Garden State Balcony Solar Act and New York's SUNNY Act have passed their
legislatures, but this tracker keeps them yellow until governor action and implementation
guidance are final.
Advanced bills
California and Massachusetts have cleared one chamber.
Both states are important watchlist items because passage there would expand the category
into large, high-rate markets with many renters, condo owners, and small-space households.
2027 watchlist
Deferred bills still matter.
Several states had plug-in solar bills that did not finish in 2026. Those states are shown
as pending with a deferred stage rather than inactive, because the policy queue is not empty.
Safety standards
Certification and utility notice are still the pressure points.
Recent technical coverage points to UL 3700, anti-islanding, outlet protection, and simple
utility notification as the issues most likely to shape final state rules and product choices.
Global signal
Retail adoption is moving beyond the U.S.
The United Kingdom is opening a retail pathway for plug-in solar, reinforcing the same
consumer trend seen in Germany: lower-cost solar access for flats, renters, and homes without
usable roof space.