Quincy Chute - P2937

​​​EBC 4.6 - P3842

Our Licensed Hydroelectric Projects:

  • Head = 165'
  • Max CFS = 8000
  • Min CFS = 1200
  • Capacity MW = 92.0
  • Start Date = 01/01/85
  • Capacity MW = 9.4
  • Start Date = 10/01/85
  • Capacity MW = 6.5
  • Start Date = 09/01/90

PEC 66.0 - P3843

CB Hydropower performs operation, maintenance, and administrative functions for five hydropower projects owned by the Districts - Main Canal Headworks, Summer Falls, Russell D. Smith, Eltopia Branch Canal (E.B.C.) 4.6, and Potholes East Canal (P.E.C.) 66.0.  The generation from the five power developments operated and maintained by CB Hydropower is purchased by the City of Seattle, the City of Tacoma, and Avista Corporation.

​CB Hydropower provides Federal Energy Regulatory Commission (FERC) liaison support and administrative functions for two additional plants owned by the Districts - Quincy Chute and Potholes East Canal (P.E.C.) Headworks.  Grant County Public Utility District operates and maintains the projects under forty-year purchase agreement from the date of commercial operation.

PEC Headworks - P2840

Main Canal Headworks - P2849

  • Head = 42'
  • Max CFS = 8020
  • Min CFS = 1200
  • Capacity MW = 26.0
  • Start Date = 01/01/87

​​Summer Falls - P3295

​​​R.D. Smith (PEC 22.7) - P2926

  • Operated and Maintained by Grant County PUD
  • Head = 52'
  • Max CFS = 1700
  • Min CFS = 200
  • Capacity MW = 6.1
  • Start Date = 09/01/82
  • Head = 127'
  • Max CFS = 226
  • Min CFS = 65
  • Capacity MW = 2.2
  • Start Date = 05/01/83
  • Head = 325'
  • Max CFS = 92
  • Min CFS = 60
  • Capacity MW = 2.4
  • Start Date = 03/01/85