Solution for undersea compressed-air energy storage
A MAJOR CHALLENGE IN MANAGEMENT OF INTERMITTENT RENEWABLE ENERGIES, ENERGY STORAGE ENSURES CONTINUOUS AVAILABILITY OF ELECTRICITY.
Energy storage needs are becoming increasingly important due to the growing share of intermittent renewable energies in the energy mix.
Whether for cooling the compression system or maintaining air pressure, the marine environment has significant advantages when it comes to storing energy.
The REMORA solution, patented by SEGULA Technologies, is based on the principle of isothermal compression of air.
REMORA consists of a 15MW floating platform and underwater tanks with storage capacity of 90MWh. Its overall efficiency is 70%.
The platform compresses the outside air and keeps it under pressure in these underwater tanks which are then used to store energy.
As the solution is ideal for moderate depths (70 to 200 metres) it is particularly suitable for most of the world’s coastlines.
THE ODYSEA COLLABORATIVE PROJECT LED TO THE IMPLEMENTATION OF THE F IRST LAND-BASED REMORA DEMONSTRATOR IN EARLY 2020
To achieve this, SEGULA joined forces with high-level technical partners such as Cetim, Université de Nantes-IREENA and IMT Atlantique. The ODySEA project is supported by ADEME and has a S2E2 Smart Electricity Cluster label.
After winning the Sea-GRID call for expressions of interest, SEGULA is now working on the development of SEAMAC, a sea-based demonstrator of the REMORA solution. SEAMAC should be installed on the sea trial site of the SEM REV of the Ecole Centrale Nantes by 2023.As part of the Grand Prix National de l’Ingénierie (GPNI) organised by Syntec Ingénierie, SEGULA won the Industry and Technology Consulting prize with REMORA. Find out more and watch the video.
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