Guides, filed in one place.
Every guide here is written against the same evidence the ledger uses: the ENA G98 type-test register, SI 2026 No. 848, and prices we check by hand. Each one carries its sources and the date it was last checked.
The shelf
Best plug-in solar kits UK 2026 (ledger-ranked)
The eight ENA G98-certified plug-in solar kits on sale in Great Britain, ranked on real price, watts and payback. Plus the widely advertised brands that are not certified yet.
Updated 29 Aug 2026 → KitENA register vs "800W-class" marketing
Why UKSOL and Perlight are certified today and EcoFlow, Anker and Zendure are not. The phrases that mean nothing, and how to check the register yourself in two minutes.
Updated 29 Aug 2026 → Kit800W vs 400W plug-in solar: which should you buy?
£599 for 515W or £849 for 890W? The marginal cost of the second panel, why extra panel beats the 800W ceiling on a poor site, and when the small kit is genuinely right.
Updated 29 Aug 2026 → LegalIs plug-in solar legal in the UK? SI 2026 No. 848 explained
Plug-in solar became lawful in Great Britain on 27 August 2026. What SI 2026 No. 848 actually says, what the 800W limit means, and what you must do about G98.
Updated 29 Aug 2026 → MoneyHow much do plug-in solar panels cost in the UK?
Certified kits run £599 to £989, with a realistic all-in budget of £400 to £1,200. The full cost breakdown, including the freeholder fee nobody mentions.
Updated 29 Aug 2026 → MoneyPlug-in solar payback: how long to break even?
Payback of 5.4 to 14.1 years on the government’s own £70 to £110 estimate — with the assumptions shown in full, including the cases where plug-in solar does not pay back at all.
Updated 29 Aug 2026 → InstallG98 notification step by step (DNO)
How to notify your Distribution Network Operator after fitting plug-in solar. Free, about twenty minutes, due within 28 days — and the cases where you do not need it at all.
Updated 29 Aug 2026 → RentersBalcony solar for renters and flat owners
Legality was never the obstacle for renters and leaseholders — permission is. Landlord consent, freeholder licences to alter, planning, and the route that avoids most of the argument.
Updated 29 Aug 2026 →Want it fitted rather than fitted yourself?
Tell us your postcode and property type and we will pass it to vetted installers covering your area. Free to you, no obligation, and we never sell your details on.
Get installer quotesInstallers pay us a fixed fee per qualified enquiry. That is how the ledger stays free — and it never changes what we list as certified.