China is set to start operating the world's largest 'super-cold air battery' in the Gobi Desert. The facility, located outside Golmund in the northwestern province of Qinghai, consists of a series of white tanks that compress air and cool it to -317 Fahrenheit (-194 degrees Celsius). Also known as the Super Air Power. Toronto-based energy storage developer Hydrostor has secured permission to build a 500-megawatt compressed-air energy storage system in the Mojave Desert and is now seeking customers to contract the project's full capacity. Final permitting approval from the California Energy Commission (CEC). A 300 MW compressed air energy storage (CAES) power station utilizing two underground salt caverns in central China's Hubei Province was successfully connected to the grid at full capacity, making it the largest operating project of the kind in the world. Construction on the project started on 18 December 2024, according to China state-owned news outlet CCTV.