Some new plug-in solar kits are rated at 890W, 1,030W or even 1,260W despite Britain’s 800W limit – here’s why they can still comply with the rules

Plug-in solar panels can legally go on sale in Great Britain from 27 August – and the first compliant systems are now appearing at UK retailers

Regulations come into force allowing 800 W plug-in solar kits to be installed in England, Wales and Scotland. Plug-in batteries currently excluded, but under investigation.