Finnish mine to host 75 MW/530 MWh underground pumped hydro facility

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Suomen Energiavarasto Oy has secured €26.3 million ($27.5 million) from the Finnish government European Commission to build an underground pumped hydro project at a former zinc and copper mine. mine in Finland.
https://www.pv-magazine.com/2022/12/07/finnish-mine-to-host-75-mw-530-mwh-underground-pumped-hydro-facility/
#policy, #r&d, #utility, #technology, #storage, #energy, #markets

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