Hydrostor is a Canadian company that develops systems of storing energy in the form of compressed air.
[1] In 2024, Hydrostor built a compressed air storage facility in Goderich, Ontario.
The unit repurposed a deserted salt cave near the Maitland River.
In order to recover the energy, the compressed air is run through a turbine, generating power.
The air compressors are powered by renewable energy.