The Learn Hub
Everything solar, in plain English
Short, honest UK guides — no sales pitch. Sunny reads them too.
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Basics · 6 min read
How Solar Panels Actually Work
How a solar panel turns sunlight into the electricity your home uses.
Myths · 4 min read
Do Solar Panels Work on Cloudy Days?
Solar panels still work on cloudy days, just at a lower output.
Money · 7 min read
Solar Panel Payback Period in the UK, Demystified
How to find the year your panels stop costing money and start making it.
How-to · 8 min read
How Many Solar Panels Do You Actually Need?
A simple way to size a solar system to your real electricity bill.
Money · 6 min read
Solar Batteries: Are They Worth It in the UK?
When a solar battery pays for itself in the UK, and when it's just peace of mind.
Products · 5 min read
Portable Power Stations: A Beginner's Guide
The plug-and-play side of solar, useful for camping and for power cuts.
Policy · 6 min read
The Smart Export Guarantee, Explained Like You're Busy
How the SEG scheme pays you for the solar power you send to the grid.
Money · 8 min read
Are Solar Panels Worth It in the UK? (2026)
The honest 2026 answer on when solar pays off for UK homeowners, and when it doesn't.
Policy · 5 min read
Will the 0% VAT on Solar End? The 2027 Deadline
The 0% VAT on home solar and batteries ends 31 March 2027.
Myths · 5 min read
Five Solar Myths, Busted by Sunny
No, panels won't wreck your roof, and yes, they work in winter.
Policy · 9 min read
Plug-In Solar in the UK: What You Can and Cannot Do
A plain guide to what's allowed, what's banned, and what you must do before you plug one in.
Policy · 5 min read
Is Plug-In Solar Legal in the UK?
Yes, since 27 August 2026, though the rules differ across the UK's nations.
Basics · 6 min read
How Do Plug-In Solar Panels Work?
The four parts, in plain English, and why it cuts your grid bill.
Policy · 6 min read
The 800W Plug-In Solar Rule, Explained
800 watts is the legal cap, but today's real limit is one device per home.
How-to · 4 min read
Do You Have to Tell Your Network Operator?
Yes, it's mandatory, and it's separate from the kit being on the register.
Money · 7 min read
What Plug-In Solar Costs, and What It Saves
A simple, honest way to work out what an 800 W plug-in kit could earn you.
Products · 5 min read
Which Plug-In Solar Kits Are Approved?
How to check yourself whether a plug-in solar kit meets the UK rules.
How-to · 6 min read
Plug-In Solar for Flats and Balconies
The building surfaces and mounting rules that decide if you can fit one.
Money · 6 min read
Plug-In Solar vs Rooftop Solar
How the two options compare, so you can pick the right one.