Category
Rules, Grants & Savings.
The 27 August 2026 rule change, notification requirements, and realistic payback maths for plug-in solar at UK electricity prices.
plug-in solar
Plug-in Solar Savings: How Much Can You Save in the UK?
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
Which Plug-In Solar Kits Are Certified in the UK?
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.
plug-in solar
Do You Need Planning Permission for Plug-in Solar?
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
Is Plug-In Solar Legal in the UK? The 2026 Rules Explained
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.

plug-in solar
UK Plug-in Solar 2026: What Changed on 27 August?
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 and Your Landlord: Getting Permission
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.
Plug-in Solar Terms Explained: G98, SEG, MCS and More
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.
plug-in solar
Are There Grants for Plug-in Solar in the UK?
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.