15 June 2012 (Renew Grid)
“East Penn Manufacturing Co. Inc. and its subsidiary Ecoult have…[launched a] U.S. Department of Energy (DOE) smart grid storage demonstration project… powered by East Penn's Deka UltraBattery technology [that provides] 3 MW of continuous frequency-regulation services to PJM Interconnection. The new system will also be used for peak demand management services by the local utility, Met-Ed. “The Deka UltraBattery uses lead-acid technology that operates in continuous partial state of charge use. It enables an optimal balance of an energy-storing lead-acid battery with the quick charge acceptance, power discharge and longevity of a capacitor…”
click to enlarge“The PJM demonstration project has been implemented in both a building and a containerized format to demonstrate the modularity and mobility of the storage solutions…It connects to the grid from inside the East Penn Manufacturing site in Lyon Station, Pa. “Ecoult engineered and implemented the energy-storage system, and developed the platform for the UltraBattery energy resource that controls both the batteries and the power conversion system. The DOE supported the project with $2.2 million of funding under the American Recovery and Reinvestment Act of 2009…”
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