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Hermiston Generating Project

Facility: A natural gas combustion turbine and combined cycle electric power plant with a generating capacity of 472 megawatts.

Status: Operating

Location: Umatilla County, 3 miles southwest of Hermiston.

Site Certificate Holder: Hermiston Generating Company L.P. and PacifiCorp

Contact Information 

Site Certificate Holder
OREGON DEPARTMENT OF ENERGY STAFF
Richard Moroney
Duane Kilsdonk
78145 Westland Rd.
395 E. Highland Ave.
Hermiston, OR 97838
Hermiston, OR 97838
541-564-8315
 
To Receive Updates by E-mail:
·          To receive e-mail notices about this project, please click here.
·          To receive e-mail notices for other projects or general EFSC announcements, please go here.
 
About Oregon’s siting process:
·          For more information about Oregon’s siting process outlined in the table below, please go here.
 
Project Status (Table details will be updated as project progresses)
PROJECT PHASE DETAILS
DATE
Site certificate amendment #5: Allowed the construction of a pipeline and discharge of wastewater direct from the cooling tower blow-down and clarifier draw-down.
Feb. 9, 2001
 
 
Jan. 19, 2001
 
Nov. 17, 2000
Site certificate amendment #4: Allowed an alternate method for reuse of the energy facility’s process wastewater.
Sept. 3, 1997
 
Aug. 28, 1997
Site certificate amendment #3: Partial transfer of responsibility for operation and retirement of the facility to PacifiCorp.
July 26, 1996
 
July 23, 1996
Site certificate amendment #2: Modifications of conditions to be consistent with OAR 345-27 related to mandatory conditions and amendments.
Final order on amendment #2
May 10, 1996


May 10, 1996
Site certificate amendment #1: Decreased the facility site boundary, modified related and supporting facilities, added conditions related to options for waste minimization and structural standards.
Aug. 12, 1994
March 11, 1994
March 16, 1994