Duke Energy, LG Chem, Greensmith to build energy storage system in Ohio

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Duke Energy, LG Chem and Greensmith will team up to build a battery-based energy storage system in Ohio, designed to enhance reliability and increase stability on the electric power grid, the companies announced today.

Duke Energy currently owns nearly 15 percent of the grid-connected, battery-based energy storage capacity in the U.S., according to independent research firm IHS Energy.

The new 2 MW storage project will assist in regulating electric grid frequency for PJM, the transmission organization that powers much of the eastern U.S.

The system will be built at Duke Energy's retired W.C. Beckjord coal-fired power plant in New Richmond, Ohio, and is expected to be operational by late 2015.  

The Ohio project adds to Duke Energy's installed base of commercially operating energy storage systems. With the addition of the new project, the company will operate a total of 4 MW of energy storage at Beckjord, where a separate 2-MW storage system already exists.

Duke Energy also operates one of the nation's largest battery-based energy storage and power management systems — a 36 MW unit completed in 2012 in partnership with the U.S. Department of Energy — at the utility's Notrees Windpower Project in Texas.

LG Chem will deliver the Ohio project's integrated operating system, comprised of advanced lithium-ion batteries. Greensmith will provide intelligent energy storage control and analytics software, and system integration services.

Parker Hannifin will provide a 2-MW power conversion inverter.

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