[REVISION HISTORY]

UK legalises plug‑in balcony solar, rollout continues

Updated 5 times since CLSTR started tracking revisions of this situation.

What changed

2026-08-22 12:17 UTC → 2026-08-26 23:43 UTC · added ~~removed~~

In May 2026, a low-cost DIY balcony solar kit entered the UK market, offering a plug-in solution via standard sockets. By mid-June, APsystems and UKSOL began supplying systems with module-level micro-inverters, and Lidl announced its own £500 kits. New safety rules allowed installations up to 800 W but required landlord consent and network-operator notice. A government-backed round-table involving retailers like B&Q, Currys, and Amazon promoted these panels as a way to cut bills for low-income households. On 27 August 2026, a statutory amendment to the Plug-and-Socket Safety Regulations officially legalised plug-in balcony panels, capping output at 800 W and lifting the ban on feeding electricity back into sockets while maintaining the battery prohibition. Retailers prepared stock expected to retail from approximately £400, with the Department for Energy Security and Net Zero forecasting annual savings of £70–£110. By August 2026, UK solar capacity exceeded 22.8 GW, with June 2026 seeing the second-largest monthly installation total on record. Data from the first half of 2026 shows a significant surge with 142,536 new installations, bringing the total number of installations to over 2 million. This growth follows a record-breaking 2025, which saw 269,000 completed installations. Drivers for this increase include falling upfront costs and a desire among homeowners to reduce reliance on the grid. Parallel innovations include vertical fence-mounted arrays and a £15 billion “Solar Housing Plan” targeting three million homes by 2030. In Germany, SKYWORTH Solar is also launching balcony PV systems in August 2026 to target similar demographics. Leading up to the ~~August 27~~ legalisation, UKSOL became the first company to have its products listed as compliant in the Energy Networks Association's Connect Direct database. ~~UKSOL announced ground-mount kits,~~ Ahead of the August 27 rollout, retailers including ~~a single-panel 460W model for £849~~ Argos and ~~a two-panel 890W model for £1,199.~~ City Plumbers confirmed availability, though some experts noted initial costs might exceed the £400 estimate. While the kits do not require professional installation or planning permission in England, Electrical Safety First advised consumers to ensure older Residual Current Devices (RCDs) are upgraded to Type A bidirectional models to safely manage reverse electricity flows. Environmental groups, including Friends of the Earth, welcomed the move, though some expressed concern that without subsidies, the technology might primarily benefit those who can already afford energy-saving measures.

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