Henry M. Jackson Hydroelectric Plant Control System and Governor Conversion Project
Snohomish County P.U.D.
31411 116th Street SE
Sultan, WA 98294
The scope of participation for L&S Electric included the turnkey supply of PLC-based governor conversions, including distributing valves, for both six needle impulse turbines at the Jackson Hydroelectric Plant. Also included is the turnkey supply of a plant control system designed to schedule generation for all (4) units within the plant, and also to control (2) individual water system outflows. Also included was a contract modification to provide new PLC-based governor conversions and digital PRV control systems for the remaining (2) units within the plant.