Exelon Generation and RES Announce 10 MW Battery Storage Project

KENNETT SQUARE, Pa., April 19, 2016 /PRNewswire/ -- Exelon Generation and Renewable Energy Systems (RES) announced today the development of a 10 megawatt (MW) battery storage facility in Clinton County, Ohio. Exelon Generation is the storage facility owner and operator, and RES is the project developer and constructor.

RES, a leader in the energy storage industry, will begin construction during the second quarter of 2016, with the battery storage units expected to be fully operational by the end of the year.

Three semi-trailer sized units will be housed next to a substation to allow for easy interconnection to electrical lines within the PJM grid. The entire storage unit footprint is less than one-third of an acre. Construction is expected to be completed by the fall of 2016. The monitoring, dispatch and control of the system will be handled by the RESolve energy platform, a proprietary technology developed by RES. RESolve will manage the system to maximize revenue and minimize battery degradation.

"Having constructed over 70 MW of energy storage projects with 140 MW of operational range throughout North America, RES is excited to work with Exelon to provide frequency regulation service to PJM," said Matthew Krivos, director, Energy Storage of RES. "We look forward to continuing to provide energy solutions to ensure longstanding benefits to the ever changing grid."

Battery storage facilities are an innovative, emerging technology that provide fast-response frequency regulation service to help electric grid operators manage the momentary mismatch between load and generation across the grid. The units take and return small amounts of electricity from the grid throughout the day and have the flexibility to discharge it within seconds, when needed.

"Exelon continues to invest in new technologies, such as battery storage, to further diversify our generation portfolio," said Corey Hessen, vice president, Exelon Generation Development. "Exelon's deployment of battery storage technology provides customers and grid operators with innovative solutions to meet their technical requirements and enhance system reliability."

The Clinton battery storage project will be powered by Samsung SDI's battery energy storage system, which uses lithium-ion batteries. Samsung SDI will provide more than 16,000 high-power batteries that are produced with top-quality and safety standards. The facility will also utilize five Parker Hannifin 2-MW power conversion systems, which use Parker's two-phase refrigerant cooling solution. The conversion systems are self-contained and require no chilled water or external condenser, allowing for more efficient operation and longer life.

"We are proud to have our advanced battery technology selected to be part of this Exelon project," remarked Sewoong Park, head of ESS Business at Samsung SDI. "We look forward to further collaborating with RES and Exelon as they continue to expand in the energy storage market."

Exelon Generation and RES closed the transaction on Feb. 1. This is the second joint project between the companies. In January, Exelon Generation and RES announced the 198 MW Bluestem Wind Project in Beaver County, Oklahoma, with a power purchase agreement executed with Google. RES will construct the Bluestem project for Exelon Generation this year. This is RES' 10^th energy storage project in North America and first utilizing Samsung SDI batteries.

Exelon will have a total of approximately 20 MW of battery storage capacity in its portfolio upon project completion: 10 MW through the Clinton battery storage project and nearly 10 MW through Exelon's competitive energy company, Constellation.

About Exelon Corporation                                                
Exelon Corporation (NYSE: EXC), now including the Pepco Holdings utilities, is the nation's leading competitive energy provider, with 2015 revenues of approximately $34.5 billion. Headquartered in Chicago, Exelon does business in 48 states, the District of Columbia and Canada. Exelon is one of the largest competitive U.S. power generators, with more than 32,700 megawatts of owned capacity comprising one of the nation's cleanest and lowest-cost power generation fleets. The company's Constellation business unit provides energy products and services to approximately 2 million residential, public sector and business customers, including more than two-thirds of the Fortune 100. Exelon's six utilities deliver electricity and natural gas to approximately 10 million customers in Delaware, the District of Columbia, Illinois, Maryland, New Jersey and Pennsylvania through its Atlantic City Electric, BGE, ComEd, Delmarva Power, PECO and Pepco subsidiaries. Follow Exelon on Twitter @Exelon.

About RES
Since 1997, RES has been providing development, engineering, construction, and operations services to the energy storage, solar, wind, transmission, and demand side management markets across the Americas. RES has a construction portfolio over 87MW and over 200 MW in development. RES currently operates 47.6 MW of energy storage projects using RESolve. The company employs more than 500 full-time professionals and has over 8,000 MW of utility-scale renewable energy and energy storage projects and has constructed more than 1,000 miles of transmission lines throughout the U.S., Canada, and Chile. RES' U.S. corporate office is located in Broomfield, CO with regional offices located in Austin, TX, Minneapolis, MN, Old Saybrook, CT, and San Francisco, CA. RES has developed and/or built over 10 GW of renewable energy capacity worldwide, has an asset management portfolio exceeding 1 GW, and is active in a range of renewable technologies including onshore wind, solar, energy storage, transmission, and demand side management.  For more information, visit www.res-group.com.

About Samsung SDI
Samsung SDI Co., Ltd., established in 1970, is an affiliate of the Samsung Group and has been the global leading manufacturer of lithium-ion batteries for Mobile Applications. Leveraging this position, Samsung SDI is focused on the technology leadership for electric vehicles and energy storage systems (ESS) and is recognized as a leader in supplying lithium-ion ESS batteries.

SOURCE Exelon Generation

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