Gigawatt-scale compressed air: World’s largest non-hydro energy-storage projects announced

May 03, 2021 | Technology and services

The two 500MW/5GWh 'advanced' compressed-air projects in California would each be bigger than the current record holder


Key takeaways:

  • Toronto-based Hydrostor is working with experienced US renewables developer Pattern Energy and French infrastructure investment giant Meridiam on the 500MW Rosamond project in Kern County, near Los Angeles, which would have a storage capacity of 4-6GWh.
  • The company hopes that both projects will be commissioned within three to five years.
  • Hydrostor claims that it offers the lowest installed cost per MWh for large-scale long-duration energy storage, but a spokesman for the company was not able to provide Recharge with a figure to back this up.

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