Abandoned Finnish Mine to Be Converted into Underground Energy Storage Facility
One of the deepest mines in Europe is poised to spend the next portion of its life as stationary energy storage. Located in Pyhäjärvi, a remote Finnish community 279 miles north of Finland’s capital Helsinki, the 1,400-plus-meter-deep copper and zinc mine was decommissioned in 2022 after more than 50 years of service. The mine opened in 1962 and extracted more than 60 million tons of zinc and copper ore over its decades-long lifetime. The mine was a major employer through the years, and its closure led to the loss of many jobs in the local community. Scottish energy-storage-solution provider Gravitricity…
