Providing grid-scale electricity storage by storing renewable energy as compressed air.
Currently Operating in Five Regions
Press Mentions
November 24, 2019
This abandoned Goderich salt mine could hold the key to a greener, cleaner future in Ontario
A Toronto-based energy company has converted an old Goderich salt mine into an energy storage facility that uses compressed air instead of batteries. The company says the technology is fuel-free...

January 10, 2022
Hydrostor Secures US$250 Million Investment from Goldman Sachs Asset Management to Accelerate Growth
Hydrostor Inc. (“Hydrostor”), a leading long-duration energy storage solution provider, today announced a preferred equity financing commitment of US$250 million from the Private Equity and...

August 4, 2021
Hydrostor Secures $10M from Business Development Bank of Canada (“BDC”) To Support the Rollout of Long-Duration Energy Projects Globally
Toronto, Ontario, Aug. 04, 2021 (GLOBE NEWSWIRE) -- Hydrostor, a leading Canadian-based long-duration energy storage solution provider, today announced...
September 21, 2019
Storing energy in compressed air could finally become cheap enough for the big time
To achieve a zero-carbon electric grid, we'll need technologies that can store solar and wind energy.

February 8, 2019
Underground mine project to turn hot air to electricity
A new power project is transforming a closed underground mine and compressed air into a battery capable of providing instant electricity.

February 5, 2019
Businesses Should Invest More in Society. Here's Where to Start.
Our portfolio company, Hydrostor, is working on solving just that. We expect ventures to continue to iterate on how they are solving the problem over time, but expect that the problem endures and...
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