Where plug-in and balcony solar is legal, state by state and country by country: wattage limits, certification, utility notification and landlord rules.
California's SB 868 would legalize plug-in solar up to 1,200 watts from January 2027. It passed the Legislature in 2026; here is what it says and what happens next.
Read more California SB 868: Where the Plug-In Solar Bill StandsNine US states now have plug-in solar laws. Here is what almost all of them say about wattage, safety certification, utilities, net metering and landlords.
Read more Plug-In Solar Laws Explained: What the 2026 State Laws Have in CommonPlug-in solar became legal in Great Britain on 27 August 2026. Here is what the new rules allow, the 800W limit, which kits qualify and what Northern Ireland residents should know.
Read more Is Balcony Solar Legal in the UK? The August 2026 Rules ExplainedColorado's HB 26-1007 allows plug-in solar up to 1,920 watts, the highest limit in the US, and protects renters and HOA members from blanket bans starting in 2027.
Read more Colorado Plug-In Solar Law (HB 26-1007): The 1,920W Limit ExplainedVirginia's HB 395 and SB 250 legalize plug-in solar up to 1,200 watts from January 1, 2027. Here is how the SCC notification works and what renters can do.
Read more Virginia Balcony Solar Law: What Changes on January 1, 2027New Jersey legalized plug-in solar on September 1, 2026, with rules taking effect March 1, 2027. No utility notification, a 1,200W cap and 14 days' notice for tenants.
Read more New Jersey’s Garden State Balcony Solar Act: Rules and DatesWhether a landlord or HOA can block plug-in solar depends on your state. Here is where renters have real rights, how to ask, and a sample notice you can adapt.
Read more Can My Landlord or HOA Stop Me From Installing Balcony Solar?Utah was the first US state to legalize plug-in solar. HB 340 allows 1,200W without permits or utility approval. Here is what it requires and what it means for your bill.
Read more Utah’s Plug-and-Play Solar Law (HB 340): A Practical GuideFour New England states legalized plug-in solar in 2026. Their rules differ on notification, electricians and start dates. Here is a side-by-side comparison.
Read more Plug-In Solar in New England: Maine, Vermont, New Hampshire and Connecticut ComparedMaryland's HB 1532 allows plug-in solar up to 1,200 watts per meter, but you must notify your utility first. Here is the process and the rules on certification.
Read more Maryland Plug-In Solar Law (HB 1532): Limits, Utility Notice and the Disconnect SwitchNeither Australia nor Canada has legalized plug-in solar yet, but both are moving. Here is where things stand in late 2026 and what you can legally do today.
Read more Plug-In Solar in Australia and Canada: Current RulesUL 3700 is the first US safety standard written specifically for plug-in solar. What it tests, which laws require it, and how to check whether a kit is really certified.
Read more UL 3700 Explained: The Safety Standard for Plug-In Solar