Featured in The Long Game – 02-2023

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.

By

Tristan Rayner

08 Feb 2023

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

As the penetration of renewables into the grid increases, storing intermittently supplied energy becomes increasingly valuable. The benefits of long-duration energy storage are evident: storing intermittent clean energy and pouring said solar and wind electricity back into the grid at periods of peak demand, ideally cheaper than conventional fossil fuel power.The trick remains storing energy …

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