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 King County Executive Dow Constantine today congratulated a project team for completing construction of a unique high-voltage battery system that provides stable power to West Point Treatment Plant, delivering on his emergency declaration to protect Puget Sound and prepare the facility for climate impacts.
Within two years, King County’s Wastewater Treatment Division demolished an older building and built a 24,000-square-foot structure that contains more than 48,000 battery cells. The onsite power system prevents split-second voltage sags from the inbound power lines from shutting down the plant’s critical operating pumps. It is the first project of its kind in the United States.
“Three years ago, I promised to ensure frontline operators would have the steady, high-quality power they need to uphold our commitment as trusted stewards of Puget Sound, and our project team has now delivered real results for this ambitious capital project,” said Executive Constantine. “The region’s largest treatment plant is safer, more reliable, and more resilient to climate impacts thanks to the ingenuity of our employees and partners.”
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