co2 battery

July 25, 2025
Google has partnered with and made a strategic investment in carbon dioxide-based long-duration energy storage (LDES) company Energy Dome.
July 22, 2025
Energy Dome and Alliant Energy’s 200MWh long-duration energy storage (LDES) project in Wisconsin, US, has been approved by state regulators.
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March 25, 2025
ESN Premium speaks with Ben Potter of Energy Dome about NTPC’s adoption of the startup’s long-duration energy storage technology.
January 31, 2025
Power producer NTPC will deploy Energy Dome’s CO2 Battery technology at a power plant in Karnataka, India. 
December 19, 2024
Engie has signed an ‘energy storage as a service’ contract with technology provider Energy Dome for a long-duration energy storage (LDES) project in Sardinia, Italy.
October 23, 2024
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.”
August 20, 2024
US utility company Alliant Energy has moved forward with a long-duration energy storage project based on carbon dioxide-based technology.
November 9, 2023
This edition of our news in brief focuses on activities in the long-duration energy storage space.
July 20, 2023
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).
April 27, 2023
Energy Dome, the European startup with a long-duration energy storage system technology based on CO2, has closed its Series B funding round.

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