A-CAES system
Technology
Advanced Compressed Air Energy Storage combining air, water and purpose-built underground hard rock caverns, with above-ground thermal storage for efficiency.
Learn more
Hydrostor
Cleantech & Climate TechToronto, ON
Toronto-based developer of Advanced Compressed Air Energy Storage facilities that store energy using compressed air and water for eight or more hours of grid-scale discharge.
Canadian innovation builds a brighter tomorrow.
About
Source: hydrostor.caHydrostor describes itself as a leading developer and operator of long duration energy storage systems, using a proven, patented technology that stores energy with compressed air and water for power grids around the world. Founded in 2010 and headquartered in Toronto, it also runs offices in Melbourne and Denver.
Announced US$200M in funding in February 2025 - a $150M convertible note and $50M development-expenditure loan - from Canada Growth Fund, Goldman Sachs Alternatives and CPP Investments. hydrostor.ca
Announced the Quinte Energy Storage Centre in Greater Napanee, Ontario, with the Mohawks of the Bay of Quinte as an Indigenous equity partner. hydrostor.ca
Co-developer NRStor announced completion of the Goderich, Ontario facility, described as the world's first commercial advanced CAES plant. nrstor.com
States it was founded in 2010 and has 130+ employees located around the world, from 333 Bay Street, Toronto. hydrostor.ca
Products & Services
Company site: hydrostor.caProducts Hydrostor publishes on its own site. Each card links to the page it was taken from.
Deployment & Services
Company site: hydrostor.caHow Hydrostor says its technology can be deployed and delivered.
Goderich Energy Storage Centre
Operational facility in Goderich, Ontario, described as the world's first commercially contracted A-CAES plant.
Quinte Storage Centre
Proposed 500 MW, 8+ hour facility in Lennox & Addington County, Ontario, in development.
Willow Rock Energy Storage Center
Proposed 500 MW, 8+ hour facility in Kern County, California, in development.
Funding & Investors
Announced rounds only, newest first. Undisclosed amounts are shown as undisclosed.
Convertible note and development loan (US$200M)
Feb 13, 2025
Undisclosedhydrostor.caInvestors: Canada Growth Fund, Goldman Sachs Alternatives, CPP Investments
Latest: Convertible note and development loan (US$200M) · Feb 13, 2025
Recent News
- Feb 13, 2025Funding
Hydrostor announces US$200 million in funding
Hydrostor announced US$200M in funding, a $150M convertible note and $50M development-expenditure loan, from Canada Growth Fund, Goldman Sachs Alternatives and CPP Investments.
People
Sourced from the company's own pages or announcements.
Curtis VanWalleghem
Co-Founder & Chief Executive Officer
Jon Norman
President
Chris Phebus
Chief Technology Officer
Beth Summers
Chief Financial Officer
Technology Focus
Company site: hydrostor.caTerms the company uses about its own work.
Advanced Compressed Air Energy StorageLong duration energy storageGrid-scale storageUnderground hard rock cavernsThermal energy recoveryEmissions-free storage
Similar Companies
Other companies in Cleantech & Climate Tech.
