Alliant Energy has signed a supply contract with Energy Dome for the Columbia Energy Storage Project, marking a significant advancement in the commercial-scale deployment of long-duration energy storage in the U.S. This project will feature Energy Dome's 20MW/200MWh CO2 Battery, designed to power approximately 18,000 homes in Wisconsin for 10 hours on a single charge.
The company has filed an application for the Columbia Energy Storage Project with the Public Service Commission of Wisconsin (PSC), indicating progress toward regulatory approval. Raja Sundararajan, Executive Vice President of Alliant Energy, stated that the CO2 Battery was selected after a thorough evaluation, identifying it as a cost-effective, efficient, and scalable solution.
This collaboration underscores Alliant Energy's commitment to enhancing renewable energy deployment and maintaining grid reliability and affordability. The project aims to set a benchmark for other utilities seeking to boost storage solutions and reduce carbon emissions, aligning with the company's strategic focus on a balanced energy mix.
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