Callio Pyhäjärvi Energy Storage in mine event on 5.4.2018 materials and presentations

Callio Press Release 27 Feb 2018: The world’s highest hydraulic head in the underground energy storage plant – Pyhäjärvi, Finland. Read more.

EnergyVaasa 2018 infographic presentation available here.

Callio Extreme Run 2018 A4 size flyer available here.

New Callio Pyhäjärvi Data Center Campus video launched. Youtube.

Callio Pumped Hydro Energy Storage (animation)

Callio Data Center Campus (video)

Callio brochure (PDF)

Callio Program (video)

Callio Wikipedia