***Invinity has completed delivery of its 20.7 MWh Copwood VFB Energy Hub in East Sussex, set to become Europe’s largest VFB installation when it enters service later this year.*** 

Tuesday 12 May 2026

Invinity Energy Systems has completed the delivery of 20.7 MWh of Vanadium Flow Batteries to the Copwood VFB Energy Hub (Copwood) in East Sussex, set to become Europe’s largest vanadium flow battery (VFB) installation when it enters service later this year. The project pairs 90 vanadium flow batteries – a form of long‑duration energy storage (LDES) – with a 3 MW solar array to enable more home-grown, low‑cost solar power to be used when Britain actually needs it – in the evenings, overnight and at peak demand. It will reduce reliance on comparatively more expensive fossil fuel generation, primarily in the form of imported natural gas.

Read the full article…

[https://invinity.com/invinity-super-battery-delivered-uk-first/](https://invinity.com/invinity-super-battery-delivered-uk-first/)

And the corresponding London Stock Exchange announcement…

[https://www.londonstockexchange.com/news-article/IES/invinity-delivers-europe-s-largest-vfb/17586997](https://www.londonstockexchange.com/news-article/IES/invinity-delivers-europe-s-largest-vfb/17586997)

Invinity “Superbattery Delivered” in UK First