Highview Power to build 300 MWh liquid air storage plant in UK

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From pv magazine ESS News

Highview Power is ready to start building a 300 MWh liquid air energy storage (LAES) plant in the United Kingdom after securing GBP 300 million ($383 million) from a syndicate of investors.

The British LAES company raised the capital in a funding round led by the state-owned UK Infrastructure Bank and energy multinational Centrica. Other investors include Rio Tinto, Goldman Sachs, Kirkbi and Mosaic Capital.

Construction at the site in Carrington, Manchester, will begin immediately, according to Highview Power. The commercial-scale LAES is expected to have an output power of 50 MW per hour for six hours. Highview Power said the facility will be operational in early 2026.

LAES works by using excess energy to power an industrial liquefier that produces liquid air, which can then be stored in an insulated tank. When there is demand, stored air is pumped at high pressure, reheated and expanded, resulting in high pressure gaseous air which can be directed through a turbine to produce electricity.

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