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Update on UK LDES Cap and Floor Scheme
Invinity Energy Systems plc has announced that its vanadium flow battery technology has been selected by Ofgem to progress under the UK's Long Duration Energy Storage (LDES) Cap and Floor Scheme, specifically for the 520 MWh Frontier Legacy project. Ofgem highlighted Invinity's technology as a key factor in their decision, reinforcing the company's belief in its technology's role in meeting UK energy security goals and supporting domestic manufacturing. The company will now work towards financial close for this project, while acknowledging that finalization is not guaranteed. Invinity also noted the strong global growth in energy storage, with a 49% year-on-year increase, and expressed optimism about its growth prospects in the UK and international markets. Disclaimer*
About this update from Invinity Energy Systems Plc
The information contained within this Announcement is deemed by Invinity Energy Systems plc to constitute inside information as stipulated under the Market Abuse Regulation (EU) No. 596/2014 as it forms part of UK law by virtue of the European Union (Withdrawal) Act 2018 ("MAR"). 26 June 2026 Invinity Energy Systems plc ("Invinity" or the "Company") Update on UK LDES Cap and Floor Scheme Invinity VFB technology selected by Ofgem to progress under scheme Invinity Energy Systems plc (AIM: IES), a global leader in vanadium flow battery technology, notes today's announcement from Ofgem of its "minded-to decisions" for Window 1 of the UK LDES Cap and Floor Scheme and the inclusion of the Frontier Legacy project on this list. This project has a total capacity of 520 MWh and is currently expected to be split approximately equally between Invinity's vanadium flow battery technology and zinc-halide battery technology. The Company views today's announcement positively and notes Ofgem's specific comment that the inclusion of Invinity's vanadium flow battery technology in the Frontier Legacy project was a key factor in Ofgem reaching its "minded-to decision". The Company sees this as yet another key validation of Invinity's technology and the role it has in delivering vital Long Duration Energy Storage capacity to the UK grid and globally. The Company retains its belief that projects specifying Invinity technology represent clear alignment with the UK's Industrial Strategy by supporting domestic supply chains, enhancing energy security, and growing a UK-manufacturing base for LDES. Invinity will now work to support Frontier Power in this process to advance this project towards financial close over the coming months. The Company notes that, while management retains a high degree of confidence, there can be no assurance that financial close will be achieved in the form currently envisaged, if at all. Jonathan Marren, Chief Executive Officer at Invinity said: "Ofgem's announcement today, particularly their specific reference to Invinity technology's role within the scheme, underlines the continued progress we are making as a business both in the UK and globally. "The Company views the cap and floor programme accelerating the benefits of longer duration storage for the UK market as a sign...
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