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Advice

Your solar questions, answered.

Guides written by our in-house engineers, the people who'd design your system.

Aerial view of solar panels being installed by Geko Energy on a bungalow in Somerset

FeaturedBuying guide 18 min

Warm Homes Loan for solar panels: the complete guide

How the government's Warm Homes Loan works for solar panels: loan limits, eligibility, lenders, costs and savings, explained by MCS-certified engineers.

Sixteen black solar panels on a tiled roof in Somerset, fitted by Geko Energy

Budget 2026: what it means for solar panels on your home

The 2026 Budget confirms 0% VAT on solar panels and batteries ends on 31 March 2027. What changes for your bills, savings, payback and existing panels.

Buying guide 7 min

Buying solar online in the UK: a step-by-step (and what to watch for).

Online solar quotes are increasingly the norm in the UK. How the virtual buying process works, what it does better, and where to be careful.

Buying guide 6 min

Why 2026 is the strongest year for UK solar in a decade.

Cheaper panels, higher export rates, stable grid prices and 0% VAT to March 2027. Four favourable factors at once, and at least one has a known end date.

Buying guide 5 min

The 0% VAT window closes April 2027: what it saves you.

Solar, battery and heat pump installs are zero-rated for VAT until 31 March 2027, then 5%. Here's what that means for a typical install.

Buying guide 7 min

What's changed for UK solar between 2024 and 2026.

Panel prices, SEG rates, grid electricity, batteries and install standards: what's shifted in two years and what it means for a typical quote.

Buying guide 5 min

What will solar cost from April 2027 when VAT comes back?

Worked numbers for what a typical 2026 install would cost on the same spec after the VAT change. Not catastrophic, but a price rise on a known date.

Buying guide 8 min

Is solar still worth it in 2026? Here's the maths.

Energy prices have stabilised, panel prices have dropped, SEG export rates are up. We break down whether the maths still works for a typical UK home.

A Fox ESS inverter and battery installed in a UK garage

Battery or no battery? When it pays off.

Most UK households break even on a 10kWh battery in under 12 years. Here's the maths and when it doesn't.

Bills & SEG 5 min

Smart Export Guarantee, explained.

What SEG pays, how to switch suppliers, and the tariffs paying the most in 2026.

A wall-mounted home EV charger fitted to the exterior wall of a UK home

EV Charging 7 min

Charging your EV from solar: the numbers, season by season.

How much of a typical EV charge comes from your own panels in a UK winter vs summer.

Buying guide 9 min

Solar panel warranties: what installers hope you don't read.

Performance vs product vs workmanship warranties, and the fine print that catches people out.

Does your roof need to face south?

East-west roofs can come close to south-facing ones for typical UK usage. Here's why.

A wall-mounted home EV charger fitted to the exterior wall of a UK home

EV Charging 6 min

How much does a home EV charger cost to install? The 2026 numbers.

Charger unit, installation labour, and the grant most homeowners don't realise they no longer qualify for. The full cost of a UK home EV charger in 2026.

How much do solar panels cost in the UK in 2026?

What you'll pay for a solar panel system in 2026, and what affects the price.

What is MCS certification and why does it matter for solar?

MCS certification separates regulated UK solar installers from the rest. What it means for your installation, your warranty and your wallet.

Buying guide 7 min

How to avoid solar panel scams in the UK.

Pressure sales, fake accreditations, and quotes that expire tonight. How to spot the warning signs before signing anything.

Buying guide 6 min

How to compare solar quotes in the UK.

Three quotes on the table and none of them look the same. How to read a solar quote, what the numbers mean, and what to watch for.

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