10 November 2023 - Romania agreed with Green Gravity to study gravity energy storage technology in 17 coal mine shafts in the Jiu Valley complex
07 August 2023 - Energy Vault is commissioning the world’s first grid-scale gravity energy storage system. It is adjacent to a wind power plant near Shanghai.
29 October 2021 - Premogovnik Velenje has projects for methane extraction, a gravity power plant, underground energy storage and farming. Its subsidiary builds PV plants.