The project utilizes e-STORAGE’s SolBank 3.0 technology, integrating battery blocks with proprietary Power Conversion Systems and an energy management control suite. By co-locating the storage capacity with the Coldwater Solar farm, Apex aims to capture low-cost solar generation and discharge it during peak demand periods. Deliveries are set to commence in early 2027, providing a stable supply as Michigan phases out its largest coal-fired power plants.
e-STORAGE to Supply 381 MWh Battery System for Michigan Solar Project
Number: The 381 MWh battery energy storage system secured by Apex Clean Energy in Branch County, Michigan, marks a significant step in the state's transition toward renewable reliability. e-STORAGE, a subsidiary of Canadian Solar, will deploy the utility-scale platform to support the existing Coldwater Solar facility by mid-2027.
This infrastructure investment aligns with Michigan’s legislative mandate requiring utilities to bring 2,500 MW of energy storage online by 2030. As coal units retire through 2032, the project serves as a critical replacement for dispatchable grid capacity. Ken Young, CEO of Apex Clean Energy, noted that the storage deployment is essential for keeping pace with rising power demand. Jeff Roy, President of e-STORAGE, emphasized that the integrated system allows his company to act as a single point of accountability for the project's entire operational lifecycle.
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