EDF Group’s first battery storage project in North America, developed and built by EDF Renewable Energy, reached commercial operation on December 20, 2015. The energy storage system, located in McHenry County, Illinois, added 40 megawatts (MW) of flexible capacity (20 MW nameplate) to the PJM Regional Transmission Organization (RTO) and will participate in both the regulation and capacity markets.

EDF Renewable Energy acquired 100% interest in the project late in the first quarter of 2015 from Chicago-based GlidePath Power; construction commenced in June 2015. The system is interconnected at the distribution level into Commonwealth Edison Company (ComED). The battery and power electronics were supplied by BYD America, consisting of 11 containerized units totaling 20 MW (22MVA) and is performing at expectation ***Note the 19.8 MW number comes from GlidePath's website www.glidepath.net

Lithium-ion Battery