Pressemitteilungen

Callio Press Release: The world’s highest hydraulic head in the underground energy storage plant – Pyhäjärvi, Finland

  Re-using the deepest base metal mine in Europe enhances Finnish renewable energy and climate strategies.  According to a feasibility study report made by Pöyry Energy GmbH this unique project can now be realized. Energy Storage in Mine project financed by the Northern Ostrobothnia Centre for Economic Development, Transport and the Environment (ELY Centers) shows that the underground energy...