“World first” as flow batteries combine with tidal power to produce green hydrogen


The European Marine Energy Centre (EMEC) has announced a “world-first” project where flow battery technology will be combined with tidal power to produce continuous renewable hydrogen.

On 9 November, EMEC said it will deploy an Invinity Energy Systems 1.8MWh flow battery at its tidal energy test site on the island of Eday. The combination of tidal power and flow batteries will be used to power EMEC’s hydrogen production plant, resulting in a demonstration of continuous hydrogen production from variable renewable generation.

EMEC highlighted how commercialisation of green hydrogen marks an essential step towards a 100% renewable future, drawing on the Offshore Renewable Energy Catapult’s estimations that developing a green hydrogen industry could result in 120,000 jobs and £320bn to the UK economy by 2050.

The project has been funded by the Scottish government, through the Highlands and Islands Enterprise, and is expected to go live next year.

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