Plug in solar rules in United Kingdom
Checked on 7 November 2026 · Confidence: high
| Inverter limit | 800 VA and 3.5 A, one device per household |
|---|---|
| Panels | Up to 2,000 W and four panels |
| Registration | Tell your network operator via myplugin.solar within 28 days |
| Batteries | Excluded from the plug in route; a government safety study runs until 2028 |
| Tenants and owners | Not verified yet |
Since 27 August 2026 (SI 2026/848) a complete plug in solar kit can be connected with a normal BS 1363 plug in Great Britain. Northern Ireland is not included.
The kit must follow the government's interim product specification: inverter at most 800 VA and 3.5 A on the G98 type test register, a fused plug of at most 5 A, no extension leads or adaptors. Above 960 W of panels the maker must recommend a professional check.
What a balcony system produces here
| City | Panels | South, 35° | South, vertical | West, vertical | Own use and savings (south, vertical) |
|---|---|---|---|---|---|
| London | 800 Wp | 794 kWh | 581 kWh | 395 kWh | 392 kWh, £101.97 |
Guides for this country
Is plug in solar legal in the UK? The rules since 27 August 2026What the new route allows, what it excludes, how to register within 28 days, and why batteries are left out until at least 2028.Home battery without solar in the UK: when charging at night paysCharging from the grid on a cheap rate and using it at peak: the price spread, round trip losses and cost per stored kWh in a worked example, plus the rules in Great Britain.
Not yet confirmed
- BS 7671 wiring regulation changes for plug in generators.
Sources
- SI 2026/848 (legislation.gov.uk) official
- myplugin.solar notification portal (ENA) official
- UK plug-in solar rules summary secondary
This is a summary for orientation, not legal advice. Rules change; check with your grid operator before you install.