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1100 North Tower Avenue
Centralia, WA 98531
Phone: 360-330-7512
Fax: 360-330-7516
Contact: M.L. Norton, Centralia City Light General Manager
Email: 
Hours: M-F 8:00-5:00 pm Except Holidays
  Yelm Hydroproject

Nisqually

 

The Yelm Hydro Project is located along the pristine Nisqually River.
 
Diversion Dam
A 4 foot high dam across the river diverts water into the projects power canal. A fish bypass is designed into the dam.
 
Canal
A nine-mile long canal crosses the prairie near the town of Yelm to deliver water to the projects generators.
 
Forebay
Water from the canal enters the forebay located above the powerhouse where it enters two 7-foot diameter penstocks.
 
Penstock
Two 7-foot diameter penstocks deliver the water to the powerhouse 208-feet down the hillside.
 
Turbine
Three large generators produce 12 million watts of electricity, almost a third of the City of Centralia’s needs.
 
Yelm at Night
After running through the turbines, the water exits the powerhouse and is returned to the river from which it came.
 
Bridge
The City maintains several bridges across the canal for agricultural purposes.
 
McKenna Park
The City maintains two parks as a part of the Yelm Project, at the powerhouse and at highway 507 where it crosses the Nisqually River.


 

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