Author name: Annita Selwyn

Scientists Unveil CO2 Battery Tech for Grid-Scale Energy Storage, Set for Global Rollout in 2026

A groundbreaking CO2 battery system, capable of storing and releasing grid-scale energy, has been successfully demonstrated and is poised for worldwide deployment starting in 2026. Developed by Milan-based Energy Dome, the technology uses a closed-loop process to compress and expand carbon dioxide, driving a turbine that generates up to 200 megawatt-hours of electricity—or 20 MW over 10 hours. This innovation promises to deliver reliable, round-the-clock clean power, addressing one of the most persistent challenges in renewable energy: long-duration storage.

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