From Pilot to Scale: Advanced-Compressed Air Energy Storage

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Recording of Friday, May 09, 2025 | The smarter E Europe | Exhibition Program | Language: English | Duration: 10:22 .

Hydrostor Inc. Expands Global Presence with Innovative Long-Duration Energy Storage Projects in Australia and California

Hydrostor Inc., founded in Toronto, Canada over a decade ago, is an innovative long-duration energy storage company with offices across Australia and Europe. The firm has raised approximately $550 million from key investors like Goldman Sachs and the Canadian Pension Plan Investments. Hydrostor's technology builds on traditional compressed air energy storage but incorporates several advancements for improved efficiency. Their system uses electricity to compress atmospheric air while capturing generated heat through a proprietary thermal management system. This process involves storing compressed air in hard rock caverns rather than salt caverns, offering flexible siting options globally due to geological abundance. The company's projects include a two-megawatt project operational in Ontario for five years and larger initiatives such as Silver City Project in New South Wales set for 2028 completion, supported by local permits and contracts. In California’s Kern County, they are developing another large-scale project backed by state support including a conditional Department of Energy loan guarantee worth $1.7 billion received recently. Hydrostor continues expanding its portfolio into emerging markets worldwide including North America (Ontario) and the UK driven by new commercial pathways recognizing longer-duration needs beyond conventional limits up until now seen elsewhere previously encountered along way thankfully enough indeed!

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Oonagh O'Grady
VP
International Origination
Hydrostor Inc.

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