Strategic Partner Secures LDES Project Connections

Invinity Energy Systems PLC

16 April 2025

 

16 April 2025

Invinity Energy Systems plc

("Invinity" or the "Company")

Strategic Partner Secures Connections for LDES Projects

Frontier Power announces collaboration with Ethos Green Energy to enable pipeline of up to 20 GWh of LDES projects in UK

Further to the announcement of a strategic partnership with Frontier Power ("Frontier") to target multiple bids into the UK LDES Cap and Floor Scheme, Invinity Energy Systems plc (AIM: IES) (AQSE: IES) (OTCQX: IESVF), a leading global manufacturer of utility-grade energy storage, is pleased to note the recent announcement by Frontier that it has signed a joint development agreement with Ethos Green Energy ("Ethos") who will provide exclusive access to multiple connection points with land options to support Frontier Power's development of energy projects.

The agreement between Frontier and Ethos supports up to 20 GWh of Long Duration Energy Storage ("LDES") projects, using multiple technology solutions including flow batteries, with an initial emphasis on battery projects for the UK LDES Cap and Floor Scheme, the first bid window for which opened earlier this month.

Under the strategic partnership between Frontier and Invinity, Frontier has reserved up to 2 GWh of the Company's manufacturing capacity, on a right of first refusal basis, to support multiple project bids it is currently developing for submission into Window 1 of the LDES Cap and Floor Scheme¹.

A key part of Frontier's development process is securing land, connections and planning permission and Invinity views this collaboration between Frontier and Ethos positively and a key step forward towards multiple UK LDES Cap and Floor Scheme bid submissions using Invinity's ENDURIUM batteries.

¹See Company announcement from 18 February 2025 for full details of strategic partnership between Frontier and Invinity

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Enquiries:

Invinity Energy Systems plc	[phone]
Jonathan Marren, Chief Executive Officer Joe Worthington, Senior Director, Corporate Affairs

Notes to Editors

Invinity Energy Systems plc (AIM: IES) (AQSE: IES) (OTCQX: IESVF) manufactures vanadium flow batteries for large-scale, high-throughput energy storage requirements of business, industry and electrical networks.

Invinity's factory-built flow batteries run continually with no degradation for over 25 years, making them suitable for the most demanding applications in renewable energy production. Energy storage systems based on Invinity's batteries are safe, reliable, and economical, and range in size from less than 250 kilowatt-hours to tens of megawatt-hours.

Invinity was created in April 2020 through the merger of two flow battery industry leaders: redT energy plc and Avalon Battery Corporation. With more than 75 MWh of systems already deployed or contracted for delivery across more than 80 sites in 15 countries, Invinity is active in all major global energy storage markets and has operations in the UK, Canada, USA and China. Invinity Energy Systems plc is quoted in the UK on AIM and AQSE and trades in the USA on OTCQX.

To find out more, visit invinity.com, sign up to our monthly Investor Newsletter here or contact Investor Relations on via [phone] or [e-mail].

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