Invinity Energy Systems PLC
11 August 2026
11 August 2026
Invinity Energy Systems plc
("Invinity" or the "Company")
Progress on FlexBase Project Delivery
Invinity selects Equans Switzerland as EPC partner
Further to the announcement on 21 May 2026 that the Company had been selected to design the world's largest vanadium flow battery ("VFB") for FlexBase Group's Technology Centre Laufenburg ("TZL") project in Switzerland, Invinity Energy Systems plc (AIM: IES), a global leader in vanadium flow battery technology, is pleased to announce that it has signed an Engineering, Procurement and Construction (EPC) agreement with Equans Switzerland ("Equans"), for the preparation of delivery of the project.
Above: Daniel Zbindnen, Head of Building Services, Equans Switzerland and Jonathan Marren, CEO Invinity Energy Systems sign the agreement.
Under the agreement, Equans will be responsible for providing the mechanical, electrical and piping works as well as other ancillary technical services to Invinity's VFB battery solution as part of the wider TZL project located in Laufenburg, Switzerland. The project will feature an AI datacentre and technology campus integrated with a 1.5 GWh Invinity VFB system, believed to be the world's largest. The VFB is expected to expand to 2.1 GWh in a subsequent development phase.
This partnership builds on an established working relationship between the two companies, including collaboration on a vanadium flow battery project in Belgium announced in 2022. This experience provided both companies with direct insight into each other's technical capabilities and delivery standards, reinforcing Equans' confidence in the high-quality, reliability and suitability of Invinity's technology for deployment into the TZL project.
Above and Below: Construction progress at Technology Centre Laufenburg where key construction milestones have been achieved on schedule
Further to previous announcements, engineering and detailed design phase activities are already well advanced and are proceeding as planned. Key construction milestones have been achieved on schedule and both companies are continuing to work collaboratively alongside FlexBase and other project stakeholders to advance the project toward full delivery.
Claudio Picech, Chief Executive Officer at Equans Switzerland said:
"We are proud to partner with Invinity for this landmark project, a market leader in high quality, flexible, high-throughput BESS (Battery Energy Storage Systems), with whom Equans also works in other countries. The award recognizes our expertise in delivering complex energy and infrastructure projects and reinforces our commitment to supporting Switzerland's energy transition through innovative and sustainable technologies. Together with Invinity and FlexBase, we are helping to establish a new benchmark for large-scale energy storage."
Jonathan Marren, Chief Executive Officer at Invinity said:
"The successful deployment of a project of this scale requires a delivery partner with exceptional technical capabilities, a strong safety culture and deep local expertise. Equans Switzerland demonstrated all of these qualities throughout our demanding evaluation process and has proven to be the ideal partner to support the delivery of this landmark project."
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Enquiries:
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Invinity Energy Systems plc |
+44 (0)20 4551 0361 |
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Jonathan Marren, Chief Executive Officer Joe Worthington, Senior Director, Corporate Affairs |
Notes to Editors
Invinity Energy Systems plc (AIM: IES) is a world-leading manufacturer of vanadium flow batteries for energy storage. Built in our factories in the UK and Canada, the Company's proven, commercialised, longer duration energy storage technology has been deployed at scale and dispatched gigawatt-hours of electricity for customers across the world.
Invinity's safe, scalable and durable battery technology is a trusted and safer alternative to lithium-ion batteries. Endurium VFBs are engineered for heavy-duty, high throughput applications, they don't wear out, cannot catch fire and are designed to be operated for 30 years or more. Our products address the challenges of our global energy system, unlocking the power of renewable generation by delivering energy storage without limits.
To find out more, visit invinity.com, sign up to our monthly Investor Newsletter here or contact Investor Relations on via +44 (0)20 4551 0361 or ir@invinity.com.
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