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Is Plug-In Solar Legal in Your State? (Full 50-State Tracker)

Is plug-in (balcony) solar legal in the US? It depends on your state and utility. There is no federal ban; it’s allowed in most states with a UL-listed (UL 3700) microinverter and compliance with your utility’s interconnection rules. 7 states have signed plug-in solar into law (CO, ME, MD, UT, VA, CT, VT); New York and New Hampshire have passed and await the governor. Check your state below. Last verified July 2, 2026.
Thinking about installing? See our best plug-in solar kits for 2026 and estimate your yearly savings.

Plug-in solar sits in a legal gray area across most of the U.S. — but 2026 is changing that as states and the UL 3700 standard catch up. Here's where every state stands, with a detailed page for all 50.

Tracker last verified: July 2, 2026 · see changelog

General information, not legal advice. Your utility's interconnection policy matters as much as state law, and rules change fast. Always confirm before you buy or install.

Most-read state pages: New Hampshire · New York · Georgia · Kansas · Wisconsin

Renting or in an apartment? See our plug-in solar for renters guide.

Data table
StatePlug-in status (2026)Avg rate*
AlabamaGray area - check utility~15¢/kWh
AlaskaGray area - check utility~24¢/kWh
ArizonaStrong sun, check utility~15¢/kWh
ArkansasGray area - check utility~13¢/kWh
CaliforniaLeaning permissive~31¢/kWh
ColoradoLegal — signed (eff. Jan 1, 2027)~15¢/kWh
ConnecticutLegal — signed (eff. Oct 1, 2026)~29¢/kWh
DelawareGray area - check utility~17¢/kWh
FloridaPermissive climate, check utility~15¢/kWh
GeorgiaGray area~14¢/kWh
HawaiiGray area - check utility~42¢/kWh
IdahoGray area - check utility~11¢/kWh
IllinoisGray area~17¢/kWh
IndianaGray area - check utility~16¢/kWh
IowaGray area - check utility~14¢/kWh
KansasGray area - check utility~14¢/kWh
KentuckyGray area - check utility~13¢/kWh
LouisianaGray area - check utility~12¢/kWh
MaineLegal — signed (eff. Jul 15, 2026)~24¢/kWh
MarylandLegal — signed~17¢/kWh
MassachusettsGray area, high rates~30¢/kWh
MichiganGray area, higher rates~19¢/kWh
MinnesotaGray area - check utility~15¢/kWh
MississippiGray area - check utility~13¢/kWh
MissouriGray area - check utility~13¢/kWh
MontanaGray area - check utility~13¢/kWh
NebraskaGray area - check utility~12¢/kWh
NevadaGray area - check utility~15¢/kWh
New HampshirePassed legislature — awaiting Governor~24¢/kWh
New JerseyGray area - check utility~18¢/kWh
New MexicoGray area - check utility~15¢/kWh
New YorkPassed legislature — awaiting Governor~25¢/kWh
North CarolinaGray area~14¢/kWh
North DakotaGray area - check utility~12¢/kWh
OhioGray area~16¢/kWh
OklahomaGray area - check utility~13¢/kWh
OregonGray area - check utility~13¢/kWh
PennsylvaniaGray area~18¢/kWh
Rhode IslandGray area - check utility~29¢/kWh
South CarolinaGray area - check utility~15¢/kWh
South DakotaGray area - check utility~13¢/kWh
TennesseeGray area - check utility~13¢/kWh
TexasGray area~15¢/kWh
UtahLegal — signed (HB 340)~11¢/kWh
VermontLegal — signed (eff. Jul 1, 2026)~21¢/kWh
VirginiaLegal — signed (eff. Jul 1, 2026)~14¢/kWh
WashingtonLow rates, gray area~11¢/kWh
West VirginiaGray area - check utility~15¢/kWh
WisconsinGray area - check utility~17¢/kWh
WyomingGray area - check utility~12¢/kWh

*Approximate average residential rate, for savings estimates only. Click any state for the details and its main utility.

Developers: machine-readable version of this tracker is available as JSON at /data/plug-in-solar-laws.json (50 states, updated as bills move). Per-state files at /data/states/ — see the developer docs for schema, endpoints, and examples.

Cite this tracker

Source: PlugInSolarHub — 50-State Plug-In Solar Legality Tracker (last verified July 2, 2026), https://pluginsolarhub.org/state-legality/

Download the data (JSON)

Free to use under CC BY 4.0 — please credit & link to pluginsolarhub.org.

License: CC BY 4.0