Population: 76,985 (2017)
County Seat: Pendleton
Umatilla Electric Cooperative
Hermiston Energy Services
Columbia Basin Electric Cooperative
Cascade Natural Gas
How do Umatilla County residents heat their homes?
Did you know?
Umatilla County is a hub of energy activity, with several proposed and operating facilities within the county:
The McNary Dam just north of Hermiston produces about 980 megawatts of renewable hydropower. It is managed by the U.S. Army Corps of Engineers.
The proposed 300-mile, 500-kilovolt Boardman to Hemingway Transmission Line would travel through Umatilla County.
Nolin Hills Wind Power Project is a proposed 400-megawatt wind facility.
The Stateline Wind Project has two units, generating a total of 222 megawatts of wind power.
The Perennial Wind Chaser Station is an approved natural gas facility, which will have up to four turbines with a maximum capacityu of 415 megawatts.
The Wheatridge Wind Energy Facility is an approved, but not yet constructed, 500-megawatt wind facility.
The Hermiston Generating Project is an operating 474-megawatt natural gas plant.
The Hermiston Power Project is an operating 546-megawatt natural gas plant.