RCS - Ampeak Energy Ltd. - Offshore works completed at MeyGen site

Ampeak EnergyAnnouncement

18/12/2025 11:45

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RNS Number : 1461M  Ampeak Energy Limited  18 December 2025

18 December 2025

 

 

 

 

AMPEAK ENERGY LIMITED

("Ampeak Energy" or the "Company")

 

 

Offshore works completed at MeyGen site

 

 

Ampeak Energy and Proteus Marine Renewables have successfully completed works
at the world-leading MeyGen tidal stream project in Scotland's Pentland Firth.

The offshore works involved three of the four turbines, and a series of
inspection, maintenance and redeployment operations were successfully
completed.  Two of the three turbines (TTG 2 and TTG 4) were serviced
offshore and returned to operation, whilst the third (TTG 1) was returned to
Nigg for servicing and will be redeployed at a future date. No intervention
was required on TTG 3, which has now accumulated seven years of operation,
maintenance-free.

 

Meygen is the largest tidal stream site in the world and has produced over 84
GWh of tidal energy, reinforcing its position as the world's number one tidal
stream site and the home of the technology. With the site responsible for over
90% of the UK's tidal stream output, the team is focused on taking the lessons
and experience to deliver a true large-scale tidal stream array.

 

With revenue support to take the site to 65MW capacity and planning to go all
the way to c.400MW, Ampeak Energy, Proteus Marine Renewables Limited and the
project partners are all focused on unlocking the true potential of the site
and technology.

The successful completion of the latest offshore work demonstrates the
strength of collaboration that is vital to MeyGen's and the industry's
success.

Fraser Johnson, MeyGen Director of Operations & Assets, said:

 

"Collaboration is at the heart of industry, and these offshore operations were
a great example of everyone coming together for the same outcome. I would like
to thank all those involved in these successful efforts. Every step of the
MeyGen journey is a step towards large-scale deployment and unlocking the full
potential of tidal stream. For all involved, seeing firsthand the capabilities
and opportunities makes it clear that tidal stream can and should play a major
role in our energy future. It is predictable, scalable, and has the potential
to be cost-competitive with other forms of predictable generation."

Drew Blaxland, Proteus CEO, said:

 

"The operation that we have just completed is another world record. Five
turbine interventions in three days, without leaving site, servicing two of
those on deck and returning them into operation subsea. Our continued works
like this at MeyGen validate the commercial viability of subsea founded
turbines. Our offshore services team works hand in hand with our turbine
designers to ensure fit for purpose machines that can be handled safely and
efficiently in high flow marine conditions. I am proud, not just of what has
been achieved, but also of the professional manner in which it has been
completed. Our low risk, repeatable and scalable methods help underpin tidal
stream energy's bankable investment proposition."

 

 

 

 

 

 

 

For further information, please contact:

 

 Ampeak Energy                                            +44 (0)7739 832 446

 Sean Parsons, Director of External Affairs

 Strand Hanson Limited (Nominated and Financial Adviser)  +44 (0)20 7409 3494

 Richard Johnson

 Rory Murphy

 David Asquith

 Zeus Capital Limited (Broker)                            +44 (0)20 3829 5000

 Louisa Waddell

 Simon Johnson

 

Notes to Editors

 

Ampeak Energy is a global developer, owner and operator of sustainable energy
projects. Ampeak Energy owns the world's flagship tidal stream project,
MeyGen, and the Uskmouth Power Station site, which is being repurposed into a
sustainable energy park that will become one of the UK's largest battery
energy storage sites. www.ampeak.energy (http://www.ampeak.energy)

 

Ampeak Energy's strategy: "Building a Sustainable Future to 2035", can be
viewed here (https://ampeak.energy/strategy/)

 

Proteus Marine Renewables is a UK-based marine energy technology and offshore
services provider with more than 20 years of tidal development heritage.
Emerging from a 2022 management buyout, its ARSeries turbines have delivered
over 20 GWh of clean power across 25 deployments worldwide.  Proteus
continues to advance tidal technology for global markets.
https://proteusmr.com/ (https://proteusmr.com/)

 

 

 

Proud to be part of London's universe of Green Economy Equities

 

 

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