West Greenville Drive & Casaloma Drive, Grand Chute, Outagamie County, WI 54913Clean Energy Developers / American Transmission Company
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Public Service Commission of Wisconsin[3] filings and MISO generator interconnection queue schedules set commercial operation for October 2026.The Werner West Energy Storage Project is a 150 MW / 600 MWh 4-hour battery energy storage system located near Grand Chute and Appleton in Outagamie County, Wisconsin. Positioned adjacent to American Transmission Company's (ATC) Werner West 138 kV Substation in MISO, the battery facility provides critical fast-responding peak capacity and voltage regulation for the Fox River Valley paper manufacturing, packaging, and industrial hub.
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