Rob Griffiths.

What an 800W plug-in solar setup generates each month in London, Birmingham and Glasgow, from PVGIS data - and how deep the December trough goes.

Plug-in solar becomes legal in the UK on 27 August 2026. What is allowed, the 800W limit, certified kits, safety rules, and how to notify your DNO.

Plug-in solar batteries are not yet legal for UK socket use - the 2026 spec covers panels only. What you can do today, and what needs an installer.

How much can plug-in solar save on UK energy bills? Work out generation, self-consumption and your unit rate - and why payback is still unknown.

Plug-in solar is now legal in the UK and certified kits are on the ENA register. What certification means, what the register shows, how to check it.

How home solar battery storage works in the UK: AC vs DC coupling, sizing in kWh, round-trip efficiency, 0% VAT, SEG export, and payback realities.

Germany has 1.3 million+ balcony solar systems. Here is what drove the boom, and what the UK can learn before plug-in solar goes legal on 27 August 2026.

Plug-in solar sits inside permitted development since 27 August 2026. The limits, the exclusions, DNO notification and why wood fails both rulebooks.

Plug-in solar became legal in the UK on 27 August 2026 under SI 2026/848. Here is what the 800W rules, certification and G98 notification mean.

Two instruments commenced on 27 August 2026: SI 2026/848 made plug-in solar legal, SI 2026/896 brought it inside planning permitted development.

Plug-in solar turns sunlight into mains power via a microinverter and a standard plug. Here is how the panels, inverter and 800W limit actually work.

Plug-in solar suits renters and flats: no rooftop install, no drilling, and you take it when you move. Here is what you can and can't do in the UK.

Portable and garden solar explained for UK beginners: what it is, uses for the garden, shed and camping, how it differs from plug-in solar, and the rules.

The 2026 rule change makes plug-in solar legal, not permitted. How to ask your landlord, what tenancy agreements say, and what to do if the answer is no.

What SI 2026/848, the Interim Product Specification, G98, G99, DNO, SEG, MCS, kWp and self-consumption actually mean for a UK plug-in solar kit.

Are there grants for plug-in solar in the UK? No scheme funds it - what ECO4, GBIS and the solar VAT relief really cover, and why plug-in misses out.

Is plug-in solar safe? How UK certification, RCD-protected sockets and the no-extension-lead rule keep it safe - plus where you must not mount it.