Italy-based Energy Dome, the maker of a proprietary CO2-based long-duration energy storage system, has closed the second tranche of its Series B, raising another €15 million bringing the total to €55 million (US$62 million).

Energy Dome, the European startup with a long-duration energy storage system technology based on CO2, has closed its Series B funding round.

‘CO2 Battery’ startup Energy Dome was only founded in 2020 but has drawn the attention of media and investors alike already.