REG - Invinity Energy Sys - Construction Begins at LoDES Project Site

Invinity Energy SystemsAnnouncement

19/11/2025 07:00

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RNS Number : 0752I  Invinity Energy Systems PLC  19 November 2025

 

19 November 2025

Invinity Energy Systems plc

 

("Invinity" or the "Company")

 

Construction Begins at LoDES Project Site

First deliveries of 20.7 MWh battery to commence on schedule

 

Invinity Energy Systems plc (AIM: IES) (OTCQX: IESVF), a leading global
manufacturer of utility-grade energy storage, is pleased to announce that
construction has now commenced at the LoDES project site in Uckfield, East
Sussex, UK.

 

Above: Jonathan Marren, CEO, alongside project team members and partners at
the LoDES project site

 

On 1 August 2025 the Company announced that the project had been granted
planning approval
(https://irtools.co.uk/88/story/993a828b-6668-453b-ba09-da5ede2d7ce3) and that
it had received confirmation from DESNZ that the project would receive a £10m
grant, the maximum amount available.

 

The majority of the civil works associated with the project, which have now
commenced, are expected to be completed in the next eight weeks, supporting
the delivery of 20.7 MWh of Invinity Vanadium Flow Batteries (VFBs) and a 3
MWp solar array. The Company expects shipping of the VFBs to commence within
the next three weeks with delivery and installation completed in Q1 2026. As a
result, Invinity expects to receive and recognise the £10m DESNZ grant during
FY 2025, a significant amount of which has already been received to date.

 

Above: Invinity VFBs ready for collection from the Motherwell facility

 

This milestone demonstrates the Company's commitment to delivering this
strategic project, with Jonathan Marren, CEO, and other key project
stakeholders attending a groundbreaking event held earlier this week. The
site, which is currently scheduled to commence operation once connected to the
grid in the second half of 2026, will be home to the largest operating
vanadium flow battery in Europe and become an important asset both to the
Company and the UK grid.

 

The co-located VFB and PV site design allows excess solar energy generated
during the day to be stored and discharged onto the UK grid through a single
point of connection during peak periods and overnight as required. The VFB
will also provide valuable flexibility to the UK grid, including, but not
limited to, the provision of Dynamic Response Services, participation in the
Capacity Market and undertaking wholesale power trading activity in the Day
Ahead and Intraday markets.

 

As previously indicated, the Company confirmed that it would proceed with the
solar array if such a move to co-locate with a generation asset was deemed to
be commercially and operationally advantageous. Having fully assessed the
opportunity, Invinity has decided to develop and own the solar array itself as
this will enhance financial returns for the project as well as facilitating a
simpler operational structure. The incremental capex cost of the solar array
is approximately £1.4m, which will be funded from the Company's existing
resources which were augmented by the fundraising in September 2025.

 

Invinity views having the entire site under its ownership and control as a
significant advantage, improving financial returns to the Company from the
asset and maximising value on disposal or other monetisation event in the
future. This approach also offers Invinity the maximum amount of operational
flexibility in order to showcase the capabilities of its technology at a
critical time for the widespread adoption of Vanadium Flow Batteries. The
Company has also gained valuable experience in project development as a result
of this process and has already utilised learnings to further reduce
deployment costs for our customers and inform ongoing product development.

 

 

Jonathan Marren, Chief Executive Officer at Invinity said:

 

"Projects like this sit at the heart of what we at Invinity strive to achieve
- the deployment of safe, durable and UK-made long duration energy storage
that advances the country's efforts to reduce the dependence on natural gas
which has contributed to the UK having some of the highest electricity prices
globally. Deploying Invinity batteries allows for greater penetration of
low-cost renewable energy onto the grid which will reduce energy bills whilst
progressing the UK's clean power ambitions as well as supporting the creation
of numerous clean energy jobs.

 

"We are particularly grateful to DESNZ and the National Wealth Fund who have
been instrumental in supporting the delivery of this project, which is a UK
and European first of a kind. This project will provide valuable information
for us and our customers to help the future development of long duration
energy storage in the UK and globally. We look forward to delivering our
batteries in the coming weeks and connecting the project to the grid next
year."

 

Stay up to date with news from Invinity. Join the distribution list for the
Company's monthly investor newsletter here
(https://invinity.us13.list-manage.com/subscribe?u=5b8cb168d806f615c67752bf8&id=26dd4280e1)
.

 

Enquiries:

 

 Invinity Energy Systems plc                                 +44 (0)20 4551 0361
 Jonathan Marren, Chief Executive Officer

 Joe Worthington, Senior Director, Corporate Affairs

 Canaccord Genuity (Nominated Adviser and Joint Broker)      +44 (0)20 7523 8000
 Henry Fitzgerald-O'Connor / Harry Pardoe / Charlie Hammond

 VSA Capital (Joint Broker)                                  +44 (0)20 3005 5000
 Andrew Monk / Andrew Raca

 

Notes to Editors

 

Invinity Energy Systems plc (AIM: 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 30 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 1 to
hundreds 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 190 MWh of systems deployed, contracted for delivery or awarded for
projects across more than 90 sites in 17 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 trades
in the USA on OTCQX.

 

To find out more, visit invinity.com (https://invinity.com/?utm_source=rns) ,
sign up to our monthly Investor Newsletter here
(https://invinity.us13.list-manage.com/subscribe?u=5b8cb168d806f615c67752bf8&id=26dd4280e1)
or contact Investor Relations on via +44 (0)20 4551 0361 or ir@invinity.com
(mailto:ir@invinity.com) .

 

 

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