A long time coming

Long-duration energy storage (LDES) is essential for decarbonizing the grid, but gigawatt-hour scale systems continue to be tricky for companies with big ideas. Tristan Rayner checks on the latest innovations across a flourishing array of new and old ideas.

Issue 02-2023

Canada’s Hydrostor is developing a 300 MW to 500 MW advanced-CAES facility in Ontario.

Image: Hydrostor

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