Test environments for Oulu and Pyhäjärvi for the development of robotic tools and heavy drones. Arctic Business Journal 4.4.2024. Read more.

Callio press release 1.11.2022: Callio FutureMINE digital testmine of the future – 2,1 m€ Business Finland funding has been secured. Read more.

Callio press release 18.5.2022: A huge solar power plant to the mine tailing ponds – on green electricity operating concentrator plant is the first of its kind in Finland and in the world. Read more.

Callio press release 10.5.2022: Centria University of Applied Sciences and Pyhäjärvi Callio will commercialize MineTRAIN training for the mining industry and underground construction in the Pyhäsalmi mining area. Read more.

Callio press release 22.4.2021. Europe’s deepest bore hole in Pyhäsalmi, Finland? GA Drilling from Slovakia, Finest Bay Area Development Oy and Pyhäjärvi Callio from Finland agreed to cooperate in the development and testing of new drilling technology. Read more.

Callio Underground Rescue animation video released from ACUUS 2021 seminar 3-4.February 2021.

Callio press release 21.12.2020: Better Underground Occupational Safety – first trainings have started in Callio Pyhäjärvi. Read more.

Callio press release 10.12.2020: The World Deepest Protein Factory is Placed in Pyhäsalmi Mine. Read more.

BSUIN Closing Seminar 29.9.2020: Postmining use of underground mines – safety, sustainability, social acceptance & economy – presentations and materials. Read more.

Natural background radiation at Lab 2 of Callio Lab, Pyhäsalmi mine in Finland. Released 21.7.2020. Read more.

Press Release 3.12.2019: Pumped Hydro Storage to implement demonstration plant in Callio Pyhäjärvi. Read more.

Callio Press Release 29.8.2019: The Europe’s deepest active base metal mine is now being reused for food production. Read more.

Callio Press Release 19 Dec 2018: FutureMINE – Callio Pyhäjärvi transforms to multi-functional and customized testing environment. Read more.

Callio Pyhäjärvi underground agriculture mentioned in the new publication to give inspiration and encouragement to cities and decision makers on the possibilities of Underground Space Use. Author Ilkka Vähäaho, City of Helsinki. Read more.

Callio Press Release 21 Jun 2018: Pyhäsalmi Mine gets a new zoning plan and a new life as “Callio Pyhäjärvi”. Read more.

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)

Energystorage 3D model (Sketchfab model)

Callio Wikipedia