Israel’s Augwind (see here previously) has signed an $8 million agreement with the Israel Electricity Corporation to build a 40-megawatt hours AirBattery (the world’s first) to store solar or wind energy as compressed air (see here also). See videos for details of the technology.

https://www.timesofisrael.com/iec-inks-8-million-deal-with-company-that-uses-air-water-to-store-energy/

https://www.youtube.com/watch?v=8j0qAbXC3VA

https://www.youtube.com/watch?v=sBF5EnK9MPs