MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/3084
EIA plant 3084

Umatilla · Umatilla · OR

McNary

Operated by USACE Northwestern Division

Annual generation3,668,282 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextBonneville Power AdministrationBalancing authority or NERC region

Published location

Where is McNary?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

45.940200, -119.298800

Open the interactive map ↗

Map data © OpenStreetMap contributors

Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.

2024 monthly net generation

MonthNet generation
1373,446 MWh
2359,717 MWh
3427,502 MWh
4252,858 MWh
5193,351 MWh
6209,170 MWh
7219,223 MWh
8318,646 MWh
9263,242 MWh
10255,144 MWh
11364,258 MWh
12431,725 MWh

Operating generators

IDTechnologyFuelMWStatus
14Conventional HydroelectricWAT80.5OP
1Conventional HydroelectricWAT70OP
10Conventional HydroelectricWAT70OP
11Conventional HydroelectricWAT70OP
12Conventional HydroelectricWAT70OP
13Conventional HydroelectricWAT70OP
2Conventional HydroelectricWAT70OP
3Conventional HydroelectricWAT70OA
4Conventional HydroelectricWAT70OA
5Conventional HydroelectricWAT70OP
6Conventional HydroelectricWAT70OP
7Conventional HydroelectricWAT70OP
8Conventional HydroelectricWAT70OP
9Conventional HydroelectricWAT70OP

Continue exploring

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Bonneville

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Hermiston Power Partnership

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Beaver

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Klamath Cogeneration Plant

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Carty Generating Station

Identity, technology and limitations
EIA plant ID
3084
Sector
Electric Utility
Water source
Columbia And Snake Rivers
Data edition
2024-final