Geko Energy

Advice

Real answers on solar.

No marketing fluff. Just honest guides written by our MCS engineers — the same people who'd be designing your system.

Buying guide
Buying guide 5 min

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

Residential solar, battery and heat pump installs are zero-rated for VAT until 31 March 2027. After that, the rate reverts to 5%. Here's what that means for a typical install.

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Buying guide
Buying guide 7 min

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

Panel prices, SEG rates, grid electricity, battery economics and MCS standards — what's shifted in two years and what it means for a typical homeowner's quote.

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Buying guide
Buying guide 5 min

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

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

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Buying guide
Buying guide 8 min

Is solar still worth it in 2026? An honest answer.

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.

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Battery
Battery 6 min

Battery or no battery? When it actually pays off.

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

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Bills & SEG
Bills & SEG 5 min

Smart Export Guarantee, explained without the jargon.

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

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EV Charging
EV Charging 7 min

Charging your EV from solar: real numbers, not marketing.

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

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Buying guide
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.

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Solar PV
Solar PV 4 min

Does your roof really need to face south?

East-west arrays often beat south-facing systems for typical UK usage patterns. Here's why.

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Buying guide
Buying guide 5 min

MCS certification: what it is and why it matters.

If your installer isn't MCS-certified, you can't access SEG. That's just the start of why it matters.

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Free consultation

Let's find the right system for your home.

Book a free video consultation. We'll talk through your needs, your property, and your options — no obligation, no pressure.

0% VAT on installs commissioned before 31 March 2027