Last reviewed: 6 September 2026. Practical maintenance guidance for a compliant plug-in kit. Nothing here involves opening equipment or working at height; if a task needs a ladder, it needs a professional or a different mounting position. A plug-in solar kit is close to maintenance-free, and the marketing is right about that. What it is … Read more
Last reviewed: 6 September 2026. General guidance on measuring what a plug-in kit does. We name no products and quote no prices for monitoring hardware, because we have not made a verified price sample. Most people monitor a plug-in solar kit for a fortnight, then stop. That is fine, and it is the honest starting … Read more
Last reviewed: 6 September 2026. General information about consumer law in the UK, not legal advice. Citizens Advice gives free case-specific help, and Trading Standards acts on the reports it receives. Almost every plug-in solar listing leads with a warranty: fifteen years on the panels, ten on the microinverter, sometimes twenty-five on “performance”. Those numbers … Read more
Last reviewed: 6 September 2026. Import rules, duties and product requirements change; the product requirements described here are taken from the published UK specification and from SI 2026/848. This is general information, not customs or legal advice. German balcony solar is cheaper, better supplied and years ahead of ours. A Balkonkraftwerk is a normal consumer … Read more
Last reviewed: 6 September 2026. We have not measured bifacial gain on a British balcony and we do not publish numbers we have not verified, so this page explains the mechanism and the decision rather than quoting a percentage. A bifacial panel has cells that generate from both faces and a transparent or glass rear … Read more
Last reviewed: 4 September 2026, against version 2.0 of the DESNZ Plug-in Solar Device Interim Product Specification, read in the original PDF. Output and money figures use the same assumptions as our savings calculator and are our own estimates, not MCS figures. The legal answer is up to four modules, with no more than two … Read more
Last reviewed: 4 September 2026. Requirements and figures below are from the DESNZ Interim Product Specification version 2.0 (July 2026) and SI 2026/848; standards are named as the specification names them. In a plug-in solar kit the panel is the part you look at and the microinverter is the part that does the regulated work. … Read more
Last reviewed: 4 September 2026. Product requirements are from the DESNZ Interim Product Specification version 2.0 (July 2026). Planning and building matters are signposted rather than advised on; we are publishers, not surveyors or electricians. If you have a garden, a ground-mounted frame is usually the best plug-in solar decision available to you — and … Read more
Last reviewed: 3 September 2026. Every requirement quoted here is taken from the DESNZ Plug-in Solar Device Interim Product Specification, version 2.0, July 2026. It is an interim document and will be superseded; we re-check this page when it is. Disclosure: this is an article about products. Some retailer links on WattNest are affiliate links … Read more