Long-duration storage on a compressed timeline

For most of its history, not much changed in compressed air energy storage (CAES). The first plant was deployed in 1978, but the technology never really caught on. Now, with a sudden flurry of record-breaking utility-scale plants coming online in China, increased deployment in Europe, North America and Australia, and growing calls to get off gas, might CAES finally have its moment in the sun?

Issue 05-2026 Issue 2026

Hydrostor describes its 10 MWh Goderich Energy Storage Centre as the world’s first commercially contracted advanced CAES facility. The project is contracted to Ontario’s independent electricity system operator for peaking capacity, ancillary services, and full participation in the merchant energy market.

Image: Hydrostor

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