Energy Dome has signed a contract with Alliant Energy for a 200MWh long-duration energy storage (LDES) project in Wisconsin, which the US utility considers the “first of many.”

US utility company Alliant Energy has moved forward with a long-duration energy storage project based on carbon dioxide-based technology.

This edition of our news in brief focuses on activities in the long-duration energy storage space.

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.