Thunder Energy Storm 710W Balcony Solar Kit

The Storm 710W steps up to four flexible panels for households with more usable balcony or garden-wall space. The law changed on 27 August 2026 to permit self-installation of a compliant sub-800W plug-in kit without a CPS-registered electrician — but only for kits whose maker explicitly states compliance with DESNZ's Interim Product Specification (v2.0). As of 13 September 2026, Thunder Energy's own product page makes no such compliance claim (its FAQ copy is stale and still frames fused-spur installation by a qualified electrician as the only permitted route to market), so this kit should still be treated as needing a qualified electrician for the connection. Included G98 DNO notification is unaffected and still handled by Thunder Energy as part of the package.

Who it suits

Homes with more available mounting space wanting a more meaningful generation figure than the entry-level kit.

What I'd watch for

17kg across 4 panels needs secure mounting — check your balcony railing or wall fixing can take the load safely before ordering. Also confirm with Thunder Energy directly whether they have since published an explicit DESNZ Interim Product Specification (v2.0) compliance statement, which is the only thing that would make self-install of the connection legal for this kit.