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Solution for undersea compressed-air energy storage

REMORA OFFSHORE

Project owner
  • SEGULA Technologies
Partners
  • IMT Atlantique, University of Nantes, INSA Rouen, CETIM, CORIA, ADEME, S2E2
Areas of Expertise
  • Thermal engineering, fluid mechanics, 3D printing, power electronics, hydraulics, naval architecture

Solution for undersea compressed-air energy storage

With the growth of intermittent renewable energies in the energy mix, energy storage is becoming a major issue, guaranteeing continuous availability of electricity.

 

Whether for cooling the compression system or keeping the air under pressure, the marine environment offers significant advantages for storing energy.

REMORA, the high-efficiency storage solution patented by SEGULA Technologies, is based on the principle of isothermal air compression and provides a sustainable supply of electricity. A revolution!

 

 

The REMORA technology can be used in a subsea or land-based environment.

In its subsea version, REMORA consists of a floating platform with a capacity of 15 MW and subsea tanks with a storage capacity of 90 MWh. Its overall efficiency is 70%.

External air is compressed by the platform and then kept under pressure in the underwater tanks, which act as energy storage facilities.

As the solution is optimised for moderate depths (70 to 200 metres), it is particularly well suited to most of the world’s coastlines.

Between 2018 and 2022, as part of the ODySEA collaborative project, a land-based REMORA demonstrator validated the technology’s operating hypotheses with conclusive tests.

For this project, supported by ADEME and accredited by S2E2 Smart Electricity, SEGULA Technologies has joined forces with top-level technical partners such as Cetim, IMT Atlantique and the University of Nantes-IREENA.

As part of the Grand Prix National de l’Ingénierie (GPNI) organised by Syntec Ingénierie, SEGULA Technologies won the Industry and Technology Consulting prize for its REMORA project.

 

Media coverage:

“French national grand prize for engineering: SEGULA Technologies’ REMORA project (offshore energy storage) rewarded”, cetim-engineering.com.

“REMORA, the innovative storage system for offshore wind energy”, seatitan.eu.

 

For any questions: remora@segula.fr

Project profit
Highly efficient storage, increased network flexibility, synergy with marine energies. Use of standard and robust technologies, installation in accessible areas at sea, modular power and capacity as required. A non-polluting process based on air and water, visual discretion, completely inert underwater equipment.
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