Storing solar power with compressed carbon dioxide

An Italian company has developed a system that can store energy from wind, solar and grid electricity by compressing and using CO2 without any emissions. The system draws CO2 from an inflatable atmospheric gas holder, stores it, and uses it to produce power again, when demand for stored energy arises.Italy-based Energy Dome has developed a modular, scalable system for utility-scale, long-term electricity storage based on compressed CO2. It claims that the system is a non-site-dependent solution for storing wind and solar power, as well as grid electricity. "The concept is the same as compressed ...

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