Toronto, Canada · Founded 2010 · Privately Held (backing)
Provider of advanced compressed air energy storage services intended to replace the use of fossil fuels. Hydrostor is based in Toronto, Canada and was founded in 2010. Its last reported valuation was $9.2 million in Oct 2016. It has raised $2.3 billion.
Last reported valuation
$9.2M
Oct 2026
Priced at
—
Total raised
$2.3B
Last round
—
Cap table — not yet on record
Hydrostor's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.
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·The complete investor list: 15 names
·Watch Hydrostor: the Monday email on marks, rounds and moves
