Kilowatlas

Plug in solar rules in United Kingdom

Checked on 7 November 2026 · Confidence: high

Inverter limit800 VA and 3.5 A, one device per household
PanelsUp to 2,000 W and four panels
RegistrationTell your network operator via myplugin.solar within 28 days
BatteriesExcluded from the plug in route; a government safety study runs until 2028
Tenants and ownersNot 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

Yield per year in kWh
CityPanelsSouth, 35°South, verticalWest, verticalOwn use and savings (south, vertical)
London800 Wp794 kWh581 kWh395 kWh392 kWh, £101.97
PVGIS 5.3 data, European Commission Joint Research Centre, calculated on 8 November 2026 with the same model as our calculator. No shade, inverter limit applied. Own use for a household of 2500 kWh a year with nobody home during the day, savings at a typical local electricity price. The Commission is not responsible for our use of the data.

Yield calculator

Guides for this country

Not yet confirmed

  • BS 7671 wiring regulation changes for plug in generators.

Sources

This is a summary for orientation, not legal advice. Rules change; check with your grid operator before you install.

Yield calculator

Plug in solar rules in United Kingdom | Kilowatlas