Thunder Energy · Bolt 920W
Thunder Bolt 920W
Two 460W panels and an 800W dual-input Hoymiles microinverter, with bracket sets for a garden or flat roof. Listed on the ENA register since 27 August 2026.
B4.4 £749.99
Specs & review
Balcony Solar
Solar for people without a roof to fill: plug-in kits you set up yourself, no installer needed, and take with you when you move. Germany has over 3 million of them; Great Britain made them legal on 27 August 2026, with stricter rules: only kits on the ENA register, and no batteries. Below: the rules, the systems we're tracking, and the one free registration you have to do.
Legal in Great Britain since 27 August 2026
Kits up to 800W output and 2,000W of panels can be self-installed if they're listed
Compliant on the ENA register, then register yours free at myplugin.solar within 28 days.
Kits with batteries don't qualify yet.
The rules, explained
Balcony & Plug-in Solar Kits
Compare plug-in solar kits you can legally install yourself in the UK (UKSOL, PatioSun, Perlight, Thunder Energy and more) by panel capacity, price and ENA register status.
21 comparedBalcony Solar Batteries
Plug-in balcony solar batteries in the UK (Anker Solarbank, EcoFlow STREAM, Zendure, Marstek) compared by usable kWh, PV input and price, and where the rules stand.
4 comparedNot Yet UK-Approved Plug-in Systems
EcoFlow STREAM, Anker SOLIX and Zendure balcony systems: why they can't be self-installed in Great Britain, and what the rules say.
5 comparedTop-rated register-listed kits
Every kit we rate is listed Compliant on the ENA register, so you can install it yourself.
PatioSun · PatioSun Max+
PatioSun Max+
The top of the PatioSun range: two 465W bifacial panels for 930W of capacity on the HiFlow PRO microinverter's dual MPPT inputs, on a pre-installed steel ground mount.
B4.4 £779
Specs & review
PatioSun · PatioSun Duo
PatioSun Duo
Two bifacial panels for 890W of capacity on PatioSun's pre-installed steel ground mount, run by a Hoymiles HiFlow microinverter.
B4.3 £699
Specs & review