RES completes 20 MW energy storage project in Illinois

Renewable Energy Systems completed construction on the McHenry Storage Project, in McHenry, Illinois. McHenry is the sixth energy storage project completed by RES.

The company has now constructed more than 85 MW of flexible resources with a total +/- range of more than 170 MW, and 33 MWh of energy storage either in operation or under construction across North America, ranking near the top of the industry.

RES served as the engineering, procurement and construction contractor for McHenry, a project that includes eleven containers of lithium ion batteries manufactured by BYD. Together the containers form a system of 20 MW nameplate and 40 MW of flexible capacity. Construction of the system began in June 2015.

“RES is a proven market leader in delivering energy storage projects and solutions to economically solve grid reliability challenges for our customers,” said Matthew Krivos, Director, Energy Storage for RES. “We are pleased to once again work with EDF and the Illinois community to successfully construct an energy storage project.”

RES has now constructed battery storage systems in three grid operator jurisdictions and has contracted with utilities, independent power producers and financial investors. The company’s skills and experience as a developer, constructor, owner and operator of battery storage projects, coupled with substantial commercial innovation and flexibility, have enabled RES to deliver value to its energy storage customers in a wide variety of ways.  

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The Clarion Energy Content Team is made up of editors from various publications, including POWERGRID International, Power Engineering, Renewable Energy World, Hydro Review, Smart Energy International, and Power Engineering International. Contact the content lead for this publication at

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