Gerard Last reviewed: 4 September 2026. Checked against SI 2026/848, the DESNZ Interim Product Specification version 2.0 (July 2026) and ENA Engineering Recommendation G98 Issue 2 Amendment 1. No. One plug-in solar kit per household. That is the rule today, it is a network connection rule rather than a product rule, and it applies however many … Read more
Last reviewed: 4 September 2026. Figures and legal points checked against primary sources (legislation.gov.uk, gov.uk, Ofgem and the relevant network operator). Last reviewed: 3 September 2026. This page cites the statutory instrument and the regulations it amends, and nothing else. Where a date or a limit comes from the government’s specification rather than from the … Read more
Last reviewed: 4 September 2026. Figures and legal points checked against primary sources (legislation.gov.uk, gov.uk, Ofgem and the relevant network operator). Last reviewed: 3 September 2026. Every figure on this page is taken from the statutory instrument, the government’s Interim Product Specification or the DESNZ impact assessment, each of which is linked below. Where a … 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 It is an interim document and will be superseded; we re-check this page when it is.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
Last reviewed: 3 September 2026, against HMRC VAT Notice 708/6. We re-check this page after every Budget and Spring Statement, and obligatorily before 31 March 2027. This is general information, not tax advice on your transaction. Three sentences carry most of what you need. The supply and installation of a home battery in residential accommodation … Read more
Last reviewed: 4 September 2026. Northern Ireland has its own network operator, its own connection standard and its own building control, so this page is written separately rather than adapted from the Great Britain guidance. Plug-in solar kits can be sold and used in Northern Ireland, but almost every practical detail differs from England, Scotland … Read more
Last reviewed: 4 September 2026. Legal points checked against the Plug-In Solar Amendment (SI 2026/848) and gov.uk guidance on tenancies. This page explains the general position; it is not legal advice about your particular tenancy agreement. Plug-in solar is the first form of home solar that genuinely works for renters, because nothing is wired in … Read more
Last reviewed: 3 September 2026. Operator names and the postcode lookup were checked against the Energy Networks Association on that date. If you find a link that has moved, please tell us. Your distribution network operator, or DNO, is the company that owns the cables, poles and substations in your street. It is almost certainly … Read more
Last reviewed: 3 September 2026. Checked against Electricity North West’s published guide to completing G98 Form B and the DESNZ government response of July 2026. Forms differ slightly between operators; tell us if yours asks for something not listed here via contact. A G98 notification is a one-page form telling your network operator that you … Read more
Last reviewed: 4 September 2026. Yield figures are our own rounded estimates built from the public 750–1,050 kWh/kWp range for the UK, and every assumption is stated on this page. They are not MCS figures and should not be used for a warranty claim. An 800 W plug-in kit in the UK generates somewhere between … Read more