Plug-in Solar is here

As of 27 August 2026, plug-in solar panels are legal to buy and use across Great Britain for the first time. It’s a genuinely new option for UK homes, giving people a straightforward way to generate some of their own electricity without a full rooftop installation. The change follows independent safety testing carried out with government and industry, and major UK retailers are now bringing these products to market.

Whether you’re a homeowner without a suitable roof, or a renter or leaseholder with access to a garden or outdoor ground space, plug-in solar opens up a simple way to start generating clean power and taking a bit of control over your energy bills.

What is plug-in Solar?

Plug-in solar panels are small, self-contained solar kits that connect straight into an existing socket in your home, rather than being wired in by an electrician. A typical kit includes one or two solar panels, a microinverter that converts the power into a usable form, a cable fitted with a UK plug, and mounting brackets.

Unlike traditional rooftop solar, there’s no need for scaffolding, roof work, or a certified installer to fit the panels themselves. The system can sit on an outside wall, a balcony, or in the garden, feeding electricity directly into your home’s wiring for immediate use.

How does it work?

During daylight hours, the panels convert sunlight into electricity. A microinverter changes this into the alternating current used by household appliances, and it flows straight into your home’s circuit through the plug. Any appliance that’s switched on, such as a fridge, a television or a laptop charger, will draw on this solar power first, reducing how much you need to buy from your energy supplier.

Output depends entirely on daylight, so the panels generate more on bright days and little to nothing after dark. Because the electricity can’t currently be stored in a battery or exported back to the grid, you get the most value by using power as it’s generated, during the day.

How much could I save?

Government estimates suggest households could save up to £110 a year, with a typical setup covering as much as a fifth of an average home’s daytime electricity use. That’s roughly enough to keep a fridge, a broadband router and everyday devices like a laptop running while the sun is out.

Actual savings vary quite a bit and depend on where you live, how sunny and unshaded your chosen spot is, and how much electricity your household uses during the day. Homes that are occupied during daylight hours, with a south-facing position free from shade, tend to see the best results.

Is it suitable for my home?

Plug-in solar is designed for households that can’t fit, or don’t want, a full rooftop system. That includes renters and leaseholders with garden or outdoor ground space, and homeowners whose roof is shaded, north-facing or otherwise unsuitable for panels. This kit is a ground-mount system, so you’ll need a suitable spot at ground level, such as a garden or patio, rather than a balcony or wall.

If you rent your home or share ownership of the building, you’ll usually need permission from your landlord or freeholder before fitting anything to the property. Certain buildings, such as listed properties or those in conservation areas, may also have extra restrictions worth checking first.

Is it safe?

The rules allowing plug-in solar were only introduced after extensive independent safety testing, and the UK’s requirements are more stringent than those already in place in countries where the technology has been used for years. Compliant kits include built-in safety features, such as automatically shutting off if a fault is detected.

Even so, it’s worth having your home’s electrics checked before installing a system, particularly if your property hasn’t been rewired recently. Older fuse boards may not include the type of protection needed to handle electricity flowing back into the circuit, so ask a qualified electrician if you’re at all unsure.

Is it easy to install?

Yes, that’s the whole idea behind plug-in solar. Most kits are designed to be fitted without an electrician, using the mounting brackets provided, then simply plugged into a normal socket. There’s no need to drill into your consumer unit or rewire anything.

That said, a few rules apply. Only one kit is permitted per household, extension leads and multi-socket adaptors can’t be used, and the system needs to be registered with your electricity network operator within 28 days of installation. Always check that any kit you’re considering is listed as compliant with UK safety standards before buying.

Plug-in solar or rooftop solar?

If you own your home and have a suitable roof, a professionally installed rooftop system will generate significantly more power and greater savings over its lifetime. For everyone else, plug-in solar offers a practical and affordable way to start generating your own energy.

What to check before you buy

Before choosing a kit, make sure it’s listed as compliant with the UK’s safety specification, that it’s sold as a complete matched system rather than mixed components, and that you have a suitable socket to plug it into, since extension leads aren’t allowed. You’ll also need to notify your Distribution Network Operator once installation is complete.

It’s worth thinking through where the panels will go, how much sunlight that spot gets across the day, and how much of that power you’re realistically likely to use, before you commit to a purchase. Ground-mount kits also need ballast to weigh down and secure the frame, which typically isn’t included, so factor this into your setup.

Please check the UK Government website for additional information before purchasing.