REG - EnergyPathways PLC - EnergyPathways Engages Siemens Energy for MESH

EnergypathwaysAnnouncement

21/07/2025 12:00

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RNS Number : 8988R  EnergyPathways PLC  21 July 2025

21 July 2025

EnergyPathways plc

 

("EnergyPathways" or the "Company")

 

EnergyPathways engages Siemens Energy for MESH: offshore hydrogen, compressed
air and gas energy storage project

 

EnergyPathways (AIM: EPP), an energy transition company, is pleased to
announce that Siemens Energy Limited ("Siemens Energy") has been engaged to
carry out a feasibility assessment in support of the Company's planned
large-scale integrated energy storage and decarbonisation project, MESH.

 

The overall objective of Siemens Energy's feasibility assessment is to
identify the optimal technical, financial and business solutions for the MESH
integrated energy system that is expected to provide low to zero-carbon
dispatchable electricity to the grid, enhancing the UK's energy security and
flexibility ("Feasibility Assessment"). The Feasibility Assessment will
achieve this through a comprehensive assessment of system-wide UK energy
market requirements and viable technological pathways. The Feasibility
Assessment will establish a foundation for the MESH integrated energy system
solution that can be progressed to detailed design, modelling and
optimisation.

 

The engagement with Siemens Energy provides the MESH project with access to
leading edge expertise, in particular, in LDES compressed air systems,
electrical gas compression systems and, critically, a deep understanding of
integrated energy systems. These technologies will be at the heart of the UK's
smart grid revolution as it transitions to a renewables-dominated power
system.

 

The Siemens Energy engagement is an important milestone in establishing MESH
as a significant energy infrastructure asset for the UK's energy future, and
for the Company to become a leader in the deployment of grid integrated
systems.

 

Ben Clube, CEO of EnergyPathways said:

 

"We're pleased to have entered into this engagement with Siemens Energy who
are truly market leaders in innovative energy solutions and a global dominant
force in sustainable energy transition. This represents yet another engagement
by EnergyPathways with a Tier-1 energy company demonstrating the Company's
commitment to working with the leaders in the energy transition, as we seek to
deliver a compelling economic and technical energy solution for the UK.

 

"The UK government, in our view correctly, seeks to take a total energy system
approach to fulfil the nation's ambitions to transition to net zero and
establishing a renewables dominated energy system. With the National Energy
System Operator (NESO) formed to lead this approach, it has already flagged
that a clear priority for the UK is the need for more energy storage for it to
meet its ambitious energy transition targets.

 

"The Siemens Energy engagement will ensure the MESH project optimally joins up
UK energy assets so that the MESH LDES and gas storage systems efficiently
harnesses curtailed offshore wind power and converts it into low carbon
flexible power supply when needed by consumers. It will also ensure MESH
provides a secure and reliable supply of stored natural gas that will be
critical for hydrogen production and backup decarbonised dispatchable power
supply for when the wind does not blow. The engagement will also help future
proof the MESH project and to become the UK's largest hydrogen storage
facility and provide the UK with material bolt on hydrogen production
capability."

 

About Siemens Energy

 

Siemens Energy is one of the world's leading energy technology companies. The
company works with its customers and partners on energy systems for the
future, thus supporting the transition to a more sustainable world. With its
portfolio of products, solutions and services, Siemens Energy covers almost
the entire energy value chain - from power and heat generation and
transmission to storage. The portfolio includes conventional and renewable
energy technology, such as gas and steam turbines, hybrid power plants
operated with hydrogen, and power generators and transformers.

 

An estimated one-sixth of the electricity generated worldwide is based on
technologies from Siemens Energy. Siemens Energy employs around 100,000 people
worldwide, including more than 6,500 employees in the UK and Ireland.

 

About MESH

 

MESH is a new large scale energy storage facility that is expected to provide
a secure and dependable supply of natural gas and clean hydrogen and low
carbon flexible power for the UK market for over 25 years. MESH is an
integrated energy system solution. It is electrifying and integrating existing
infrastructure, connecting gas storage, hydrogen storage, and compressed air
storage technologies with offshore wind and decarbonised power generation to
establish a new major decarbonised energy hub for the UK.

 

The MESH system is designed to harness curtailed offshore wind power in an
offshore LDES salt cavern storage as compressed air and hydrogen. Associated
with this will be large scale natural gas storage in offshore gas field
reservoirs. During periods of low renewable energy availability, stored energy
resources will be utilised as follows: compressed natural gas will generate
electricity via a gas turbine; compressed air will be expanded through a
turbine to produce power; and in the future, hydrogen will be used in a
hydrogen-compatible gas turbine or fuel cell to generate electricity.

 

This integrated system is expected to provide low- to zero-carbon dispatchable
electricity to the grid, enhancing energy security and flexibility. Emissions
can also potentially be captured and stored in nearby CCS reservoirs.
Additionally, the stored hydrogen can be supplied to the UK's emerging
"Project Union" hydrogen network, contributing to emissions reduction across
the broader UK energy system.

 

MESH is expected to be the UK's largest integrated energy storage facility
combining natural gas, compressed air and hydrogen storage. Its target is to
store up to 20 TWh of energy. The MESH project is intended to contribute to
delivering on the Government's 2030 Clean Power timeline and will ensure a
reliable and secure supply of energy for the UK. MESH has been designed as a
fully decarbonised and electrified zero emission facility that is to be
powered by the renewable wind farms of the UK East Irish Sea region.
EnergyPathways aims to play its role in supporting the Government in
accelerating the UK's energy transition.

 

Investor Engagement with EnergyPathways

Engage with us by asking questions, watching video summaries and seeing what
other shareholders have to say. Navigate to our Interactive Investor website
here: https://energypathways.uk/link/PljjJe
(https://energypathways.uk/link/PljjJe)

 

Enquiries

 

 Investor questions on this announcement                                      https://energypathways.uk/announcements
 We encourage all investors to share questions on this announcement via our   (https://energypathways.uk/announcements)
 investor hub
 EnergyPathways                                                               Tel: +44 (0)207 466 5000, c/o Burson Buchanan (Financial PR)
 Ben Clube / Max Williams

                                                                              Email : info@energypathways.uk
 Cairn Financial Advisers LLP (Nominated Adviser)                             Tel: +44 (0)20 7213 0880
 Jo Turner / Louise O'Driscoll / Sandy Jamieson
 SP Angel Corporate Finance LLP (Broker)                                      Tel: +44 (0)20 3470 0470
 Richard Hail / Adam Cowl
 Global Investment Strategy UK Limited (Joint Broker)                         Tel: +44 (0)20 7048 9000
 Callum Hill / James Sheehan

 

Subscribe to our news alert service: energypathways.uk
(http://energypathways.uk/auth/signup) /auth/signup
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For further information on EnergyPathways visit www.energypathways.uk and
@energy_pathways on X (formerly Twitter).

 

Forward Looking Statements

This announcement contains forward-looking statements relating to expected or
anticipated future events and anticipated results that are forward-looking in
nature and, as a result, are subject to certain risks and uncertainties, such
as general economic, market and business conditions, competition for qualified
staff, the regulatory process and actions, technical issues, new legislation,
uncertainties resulting from potential delays or changes in plans,
uncertainties resulting from working in a new political jurisdiction,
uncertainties regarding the results of exploration, uncertainties regarding
the timing and granting of prospecting rights, uncertainties regarding the
timing and granting of regulatory and other third party consents and
approvals, uncertainties regarding the Company's or any third party's ability
to execute and implement future plans, and the occurrence of unexpected
events.

 

Actual results achieved may vary from the information provided herein as a
result of numerous known and unknown risks and uncertainties and other
factors.

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