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UK Solar Panel Output by Month: Real PVGIS Data
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Portable & Garden Solar

UK Solar Panel Output by Month: Real PVGIS Data

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.

Rob Griffiths Sept 2026 9 min read Read the guide →

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Latest

Plug-in Solar in the UK: The Complete 2026 Guide

Plug-In Solar Kits

Plug-in Solar in the UK: The Complete 2026 Guide

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.

Sept 2026

Can You Add a Battery to Plug-In Solar in the UK?

Batteries & Storage

Can You Add a Battery to Plug-In Solar in the UK?

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.

Sept 2026

Plug-in Solar Savings: How Much Can You Save in the UK?

Rules, Grants & Savings

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.

Sept 2026

Solar Battery Storage Explained for UK Homes

Batteries & Storage

Solar Battery Storage Explained for UK Homes

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.

Sept 2026

Balcony Solar: What the UK Can Learn From Germany

Plug-In Solar Kits

Balcony Solar: What the UK Can Learn From Germany

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.

Sept 2026

Do You Need Planning Permission for Plug-in Solar?

Rules, Grants & Savings

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.

Sept 2026

Is Plug-In Solar Legal in the UK? The 2026 Rules Explained

Rules, Grants & Savings

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.

Sept 2026

UK Plug-in Solar 2026: What Changed on 27 August?

Rules, Grants & Savings

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.

Sept 2026

How Does Plug-In Solar Work? Microinverters & Sockets

Plug-In Solar Kits

How Does Plug-In Solar Work? Microinverters & Sockets

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.

Aug 2026

Plug-in Solar for Renters and Flats: What You Can Do

Plug-In Solar Kits

Plug-in Solar for Renters and Flats: What You Can Do

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.

Aug 2026

Portable & Garden Solar: A UK Beginner's Guide

Portable & Garden Solar

Portable & Garden Solar: A UK Beginner's Guide

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.

Aug 2026

Plug-in Solar and Your Landlord: Getting Permission

Rules, Grants & Savings

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.

Aug 2026

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