Greenwater Energy Storage Facility, West Valley Highway East Corridor, Sumner, Pierce County, WA 98390BrightNight / Cordelio Power
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BrightNight financing announcement confirms project financial close and schedules commercial operation for December 2026.[1]BrightNight and joint venture partner Cordelio Power secured approximately $400 million in project financing for the 200 MW / 800 MWh Greenwater Energy Storage Project in Pierce County near Sumner, Washington. Delivering four hours of continuous firm capacity directly into Puget Sound Energy White River Substation, the utility-scale lithium-ion battery system strengthens Pacific Northwest grid reliability under Washington Clean Energy Transformation Act.
$400M
