Voith Hydro and Mine Storage team up for underground pumped storage development

8 June 2021

Voith Hydro and Mine Storage have entered into a development partnership in a bid to become forerunners in the development of pumped storage hydropower in former mines.

Swedish company Mine Storage focuses on the rapidly emerging market for large-scale, fast-responding energy storage and plans to build sustainable pumped storage facilities in underground mines. There are more than one million abandoned mines in the world, and with mature, proven energy storage technology, mine storages could be a game changer for the environment, the company said.

Replicating traditional pumped storage with upper and lower reservoirs in a new setting, like underground mines, puts new demands on the technology available. Voith Hydro said it will take on these specific challenges, and, in collaboration with Mine Storage, it is now engaged in the early project development at two specific sites Sweden in order to develop the necessary technical solutions.

”We are committed to sustainable technologies and concepts for a decarbonized future. As Mine Storage has shown an innovative approach, impressive speed and competence in this field, we are delighted to now bring in our long-standing expertise in pumped storage technology in order to develop first projects together,” commented Uwe Wehnhardt, President & CEO Voith Hydro.

“Mine storages can have a huge impact on global CO2 emissions by enabling renewable energy production to scale. We do not have time to wait; we must act now,” added Thomas Johansson, CEO of Mine Storage. “Voith Hydro has shown a great flexibility and good understanding for the dynamics in early project development. Their approach and our shared vision of the global potential for mine storages make this partnership a valuable piece in our strategy to contribute to the phase-out of fossil fuels.”


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