Karn/Weadock Generating Complex

A Smith-Root electric barrier prevents Lake Huron fish from entering the warm water tailrace from a power station.
  • Location: Hampton Township, Michigan
  • Commissioned: 2003
  • Type: Waterway

Project description

This is an upstream barrier constructed across the tailrace carrying cooling water from the Bay City Consumers Energy power station to Lake Huron.

Four U-shaped steel flat bar electrodes are located in slots in the Insulcrete™ weir deck and sidewalls. The pulsators are housed in a small, building nearby.

Services provided

  • Coordination with Consumers Energy
  • Electrical and electronic design of the pulsators and power supply systems
  • Supply of electronics
  • Regular maintenance

Site characteristics

  • Pulsators: 1.5kVA POW
  • Pulsator Qty: 3
  • Power Output: 4.5kW max.
  • Water Depth: 6 feet
  • Waterway Width: 72 feet
  • Water Velocity: 3 ft./s
  • Conductivity: 475 µs/cm max.