Scientists develop environment-friendly and cost-effective approach to store energy and cool buildings in hot climates

https://techxplore.com/news/2023-12-scientists-environment-friendly-cost-effective-approach-energy.html

"1 ton conventional cooling replaced with 20 bar, 500-L air tank operating for hour... large-scale compressed air energy storage using depleted oil wells using compressed air tanks, air motor, gear box, and generator... cooling effect produced by adding heat during air expansion producing chilled water as low as 5°C to circulate in cooling systems... heating produced during air compression into storage tanks during winter... large-scale industrial settings or combined power plants"

Related: Breakthrough in Energy Storage: Compressed Air Rivals Batteries
https://ts2.space/en/breakthrough-in-energy-storage-compressed-air-rivals-batteries/