Guides · Plug-in solar
Plug-in solar guides
Small solar kits that plug into a wall socket: how they work, where they are allowed, and whether one makes sense for your home.
- ToolRules mapCheck whether plug-in solar is allowed in your US state or the UK.Open the tool
- ToolSavings calculatorSee what a kit could take off your bill and how long it takes to pay back.Open the tool
All plug-in solar guides
- Plug-in solar for apartments: how to choose a kit in the USWhat to check before you buy a balcony solar kit in the US: your state law, UL 3700, kit size, mounting, your lease, and the kits on sale in 2026.
- How plug-in solar works: panels that plug into a wall socketPlug-in solar panels feed power into your home through an ordinary socket. How the microinverter works, what a kit makes, safety, and where it is legal.
- Is plug-in solar safe? The real risks and how to avoid themPlug-in solar is designed to be safe, but electrical bodies have raised concerns. The real risks, from old wiring to extension leads, and what to check.
- Plug-in solar in the UK: the rules, the 800 W limit and registering your kitPlug-in solar became legal in Great Britain on 27 August 2026. The 800 W limit, approved kits, registering at myplugin.solar, costs and savings.
- Is plug-in solar legal in the US? State laws in 2026Ten US states have signed plug-in (balcony) solar laws. The size limits, start dates, UL 3700 rules, and what to do if your state has no law yet.
- Is plug-in solar worth it? Real savings and payback in 2026What a plug-in solar kit really saves in the UK and US in 2026, using current electricity prices, with payback times for good, typical and poor spots.