The Columbia Energy Storage Project is the first long-duration energy storage project of its kind to be developed in the United States. This project will create new construction jobs as well as ongoing positions in operations and. . DOE's Office of Clean Energy Demonstrations (OCED) is proposing to provide funding to Alliant in support of the Columbia Energy Storage Project. The closed-loop system will take energy from the grid and convert CO2 gas into a compressed liquid form for long-term storage.