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 Savings: How Much Can You Save in the UK?

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.
Rob Griffiths11 September 2026
Which Plug-In Solar Kits Are Certified in the UK?

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.
Rob Griffiths11 September 2026
Do You Need Planning Permission for Plug-in Solar?

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.
Rob Griffiths11 September 2026
Is Plug-In Solar Legal in the UK? The 2026 Rules Explained

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.
Rob Griffiths11 September 2026
UK Plug-in Solar 2026: What Changed on 27 August?

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.
Rob Griffiths11 September 2026
Plug-in Solar and Your Landlord: Getting Permission

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.
Rob Griffiths8 August 2026
Plug-in Solar Terms Explained: G98, SEG, MCS and More

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.
Rob Griffiths8 August 2026
Are There Grants for Plug-in Solar in the UK?

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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.
Rob Griffiths7 August 2026