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United Kingdom / Great Britain

Plug-In Solar Rules in Great Britain

Qualifying plug-in solar can now be used in Great Britain under a new framework that took effect on 27 August 2026.

That does not mean any solar equipment with a plug can be connected to a home.

The new route applies to qualifying products that meet the current product specification and G98 network requirements. There are limits on output, panel capacity and the number of devices, and the local Distribution Network Operator still has to be notified.

Current Great Britain plug-in solar rules

In force
27 August 2026
Maximum apparent power to mains
800 VA
Maximum current to mains
3.5 A
Maximum combined PV-module capacity
2,000 W DC
Above 960 W DC
Manufacturer must advise you to consider professional assessment of the existing electrical installation
Current G98 network route
One plug-in microgenerator per customer installation
DNO
Notification required
Plug-in batteries
Outside the current plug-in solar specification
Checked
30 August 2026

Is plug-in solar legal in Great Britain now?

Yes, if the product and its use fall within the new qualifying framework.

The regulatory changes came into force on 27 August 2026 and created a route for qualifying plug-in solar in England, Scotland and Wales. The current product requirements are set out in the Plug-in Solar Device Interim Product Specification, Version 2.0, July 2026.

The word qualifying matters.

The change does not mean that:

  • any solar panel can be connected to a socket
  • any product advertised as "plug and play" meets the GB requirements
  • a product sold online is automatically within the framework
  • property permission no longer matters

The product, network rules and property still have separate requirements.

What changed on 27 August 2026?

The plug-and-socket rules and electricity-system rules were amended so that qualifying plug-in microgenerators could operate through the new route.

At the same time, the amended G98 network framework created the connection and notification process for qualifying plug-in microgeneration.

For an ordinary consumer, the practical change is simpler:

Great Britain now has a defined route for small, compliant, manufacturer-supplied plug-in solar products.

It is not a general exemption from electrical, product or property rules.

What counts as a qualifying plug-in solar device?

The current Product Specification treats plug-in solar as a complete manufacturer-supplied product rather than an arbitrary collection of solar components.

At a high level, that product includes the solar PV module or modules, a grid-following inverter, the manufacturer-supplied plug connection and associated components, and a mounting system.

The practical consequence is important:

The new route is for products designed and supplied as qualifying plug-in solar devices. It should not be read as permission to assemble unrelated solar and electrical components into an arrangement that feeds power back into the home's wiring.

What are the main size limits?

Current GB product rule Limit
Maximum apparent power supplied to mains 800 VA
Maximum current supplied to mains 3.5 A
Maximum combined PV-module DC power 2,000 W
Professional-assessment advisory threshold Above 960 W DC

These numbers describe different things.

The 2,000 W figure is the maximum combined rated DC power of the solar modules under the current Product Specification.

The 800 VA figure is a limit on apparent power supplied to the mains installation.

They are not two ways of describing the same panel capacity.

The legislation also uses an 800 W maximum rated AC output in its definition of a plug-in microgenerator. The detailed size page explains why the 800 W, 800 VA and panel-capacity figures should not be treated as interchangeable.

800 VA is not the panel limit

A qualifying device can have more than 800 W of rated solar-panel capacity.

The current Product Specification allows up to 2,000 W DC of combined PV-module capacity, while applying separate limits to what the device supplies to the mains.

What happens if the panels total more than 960 W?

960 W is not a second maximum.

A qualifying product can have up to 2,000 W of combined PV-module DC capacity.

Above 960 W, the Product Specification requires the manufacturer to advise the consumer to consider professional assessment of the existing electrical installation before installation.

So:

960 W is an advisory threshold, not a prohibition.

It does not mean every system above 960 W automatically requires an electrician, and it does not change the 800 VA mains-side limit.

Does plug-in solar always need an electrician?

No universal electrician requirement applies simply because a product uses the qualifying plug-in solar route.

The framework is intended to allow qualifying products to be used without the conventional dedicated installation route associated with normal rooftop solar.

That does not mean professional help can never be needed.

For example, above 960 W of PV-module capacity the manufacturer must advise the consumer to consider professional assessment of the existing electrical installation. A particular property may also require electrical work or assessment for reasons separate from the plug-in product itself.

Do I need permission from my DNO before connecting it?

For a single qualifying plug-in device using the current G98 route, conventional prior DNO approval is not the normal process.

The route is based on connection followed by mandatory notification.

Prior DNO approval
Not the normal requirement for the qualifying single-device plug-in route.
DNO notification
Mandatory.

A DNO is the Distribution Network Operator responsible for the local electricity network. It is not necessarily the company that sends your electricity bill.

When do I have to notify the DNO?

For a qualifying plug-in solar device, the current consumer route is to register it through myplugin.solar before you start using it, following Energy Saving Trust and Energy Networks Association guidance.

The underlying G98 framework separately sets a network-notification timetable of no later than 28 days after commissioning. Treat that as a backstop, not a reason to wait: register before use.

The consumer-facing process can still differ between network operators while the new plug-in solar route is being introduced, so follow the current instructions supplied with the product and by your DNO.

No conventional prior application does not mean no paperwork.

How do I notify the DNO?

For a qualifying plug-in solar device, consumers can now use the dedicated UK Plug-In Solar Registration service: myplugin.solar

The current Energy Saving Trust guidance directs plug-in solar owners to this service and states that registering the device is a legal requirement.

The registration process asks for basic details including your name, postcode and the make and model of the device. The service handles the network notification for the qualifying plug-in solar route.

The product documentation should also explain the registration requirement.

This consumer service is specifically for the qualifying plug-in solar route. Do not assume it replaces the normal G98 processes for other types of generation.

How many plug-in solar devices can I use?

Currently, the G98 route limits plug-in microgeneration to one device per customer installation, which for an ordinary household means one plug-in device.

This can look confusing if you read the Product Specification itself.

The Product Specification refers to one plug-in solar product per final ring circuit, but it also notes that the current G98 network rules are stricter and take precedence.

For the present route, the number that matters is one qualifying plug-in device per household under the current G98 rules.

Do not assume that having several ring circuits means several devices can currently be connected.

Current G98 rule

One plug-in microgenerator per customer installation.

How do I know a product fits the current framework?

The manufacturer has responsibilities before a qualifying device reaches the market.

The device must be type tested against the applicable G98 requirements and registered through the relevant ENA process.

Crucially, the manufacturer must obtain confirmation that the device has been assessed and identified as compliant before placing it on the market.

That means:

"Submitted for registration" is not the same as "identified as compliant".

A retailer simply offering a product for sale is also not, by itself, evidence that the exact product satisfies the current Great Britain plug-in solar route.

This page does not assess individual products.

Does the new route include plug-in batteries?

No, not under the current Plug-in Solar Device Interim Product Specification.

The specification excludes plug-in battery systems and plug-in solar PV devices integrated with plug-in battery systems.

That does not mean batteries in general are prohibited.

It means a plug-in battery or battery-integrated plug-in product should not be assumed to fall within this particular plug-in solar route.

Does legal plug-in solar mean my property is automatically suitable?

No.

There are two separate questions:

Does the product qualify for the plug-in solar route?

and:

Can you use it in the place you have available?

Government guidance tells consumers to check whether permission may be needed from a landlord, building owner or freeholder and whether planning permission or listed-building consent may apply.

The national plug-in solar framework does not automatically make every balcony, rented property or proposed mounting position suitable.

Product compliance also does not establish that a particular electrical installation or physical mounting position is suitable.

What about Northern Ireland?

The Great Britain route should not be copied across to Northern Ireland.

The G98 framework described on this page applies to Great Britain.

Northern Ireland has its own G98/NI network framework, and the current Plug-in Solar Device Interim Product Specification says its application in Northern Ireland needs further consideration and may require amendment.

Do not assume that a product or connection route permitted under the Great Britain framework can be used in Northern Ireland on identical terms.

What should I check before buying?

  1. 1

    Is the complete product intended for the current Great Britain plug-in solar route?

    Do not rely only on labels such as "plug and play", "balcony solar" or "800 W".

  2. 2

    Has the device actually been identified as compliant through the relevant ENA/G98 process?

    Submission or pending registration is not the same thing.

  3. 3

    What are the panel and inverter/output figures?

    Keep the panel DC rating separate from the mains-side output limits.

  4. 4

    Does the panel capacity exceed 960 W DC?

    If so, check the manufacturer's advice about considering professional assessment.

  5. 5

    Does the documentation explain DNO notification?

    Connection and disconnection notification are mandatory.

  6. 6

    Are you already using another plug-in microgenerator at the property?

    The current G98 route permits one per customer installation.

  7. 7

    Do you have any necessary property permission?

    Landlord, freeholder, building and planning considerations are separate from product compliance.

Official sources

Checked 30 August 2026.

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