In June 2012, Aquion Energy, Inc. completed the testing and demonstration requirements for the DOE's program with its low-cost, grid-scale, ambient temperature Aqueous Hybird Ion (AHI) energy storage device.

For more information about how OE performs research and development on a wide variety of storage technologies, including batteries, flywheels, electrochemical capacitors, superconducting magnetic energy storage (SMES), power electronics, and control systems, visit the Energy Storage page.