Hydrostor

Hydrostor is a developer and operator of long duration energy storage systems, using a patented Advanced Compressed Air Energy Storage (A-CAES) technology that stores energy with compressed air and water in purpose-built underground hard rock caverns. Founded in 2010, it has offices in Toronto, Canada (global headquarters), Melbourne, Australia, and Denver, USA, and is backed by Goldman Sachs Alternatives, CPP Investments, Canada Growth Fund and other institutional investors. It has an operational project in Ontario, Canada and a pipeline of A-CAES projects in North America, Australia and Europe, including the 500 MW / 4,000 MWh Willow Rock Energy Storage Center in California.