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ITM Power to provide 0.5MW electrolyzer to EMEC for integrated H2 system for tidal energy storage

ITM Power won a competitive tender to supply an integrated hydrogen system for use at the European Marine Energy Centre (EMEC) tidal test site on Eday, Orkney, Scotland. The system’s principal component is a 0.5MW polymer electrolyte membrane (PEM) electrolyzer with integrated compression and up to 500 kg of storage.

The company has also offered an additional maintenance contract alongside the integrated system as well as a fuel cell for local back up power. The total contracted value of the project is £1.79 million (US$2,67 million).

The 0.5MW electrolyzer will be used to absorb excess power generated by the tidal turbines testing at EMEC. The hydrogen gas generated will be compressed and stored, with some of the gas being used in (an optional) hydrogen fuel cell to provide backup power to critical EMEC systems. The remainder of the hydrogen gas will be used off-site by a further project being developed separately which plans to absorb output of a local community wind turbine operated by Eday Renewable Energy Ltd.

Subject to contract ITM will supply, integrate, commission and maintain all parts of this system. The electrolyzer will be packaged in a standard 20' x 10' ISO container and features:

  • Hydrogen generation capacity up to 220kg/24hours
  • Self-pressurisation up to 20 bar
  • Rapid response
  • Hydrogen purity satisfying ISO 14687
  • CE compliant



Interesting way to get clean 24/7 highly compressed H2 for FCEVs and fixed FCs.

Multiple factory built units in standard transportable containers could reduce cost and favor exports.

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