Powering a reliable and resilient grid

Learn more about Advanced Compressed Air Energy Storage

Our company

We’re a leading global developer and operator of long duration energy storage projects, with a team of dedicated clean energy professionals committed to a proven proprietary technology that can cut carbon pollution at scale.

Our proprietary A-CAES technology integrates compressed air, purpose-built hard-rock caverns, and water with proven components from traditional mining and gas operations to provide a low-impact and low-cost energy storage solution for 8 hours to multi-day durations.

Advanced Compressed Air Energy Storage

Our investors

Hydrostor is backed by Goldman Sachs Asset Management, Canada Pension Plan Investment Board, and other forward-thinking investors, providing us with the financial strength and security to commit to high impact clean energy projects.

Goldman Sachs
Asset Management
Canada Pension Plan
Investment Board
Canoe Financial
ArcTern Ventures
Lorem Partners

Our technology

Long duration energy storage is the missing
link to support carbon free electricity

Using purpose-built hard-rock caverns, Hydrostor’s Advanced Compressed Air Energy Storage (A-CAES) technology provides a proven solution for delivering long duration energy storage of eight hours or more to power grids around the world, shifting clean energy to distribute when it is most needed, during peak usage points or when other energy sources fail.

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Using compressed air and water to store energy, A-CAES allows grid operators to draw on clean energy, even when there is no sun to fuel solar panels and no wind to generate energy from turbines.

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Hydrostor’s technology has the benefit of using existing technology components and well-established engineering processes in a unique and patented application.

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A-CAES benefits

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Low cost, long life

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Proven, reliable equipment

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Customized system design

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Ancillary services

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Emission free operation

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Get in touch

Get in touch

    Toronto office

    333 Bay Street, Suite 520
    Toronto Ontario M5H2R2
    Canada
    (416) 548-7880

    Denver office

    1125 17th Street, Suite 700
    Denver, Colorado 80202 USA

    Melbourne office

    Suite 8.02, Level 10, 420 St.Kilda Road
    Melbourne, Victoria 3004
    Australia