Comparing with other energy storage methods (Pump hydro, batteries, etc.), our UWCAES solution is advantageous in several parameters: 

  • Low LCC storage solution for grid scale applications
  • significant increase of potential CAES sites
  • Improved efficiency compared to underground CAES
    • Constant pressure vs. constant volume operation
  • Startup reliability and greater flexibility compared with gas turbine (As underground CAES)
  • Relatively easy Certification and Regulation processes due to its distance from populated areas.
    • Fewer safety issues 
  • Environmentally friendly 
  • Optional: water desalination
  • Suitable construction and materials for marine environment


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