USUS Grid ExplorerInfrastructure intelligence
Preliminary 2025 facility recordOperating

Umatilla, OR · EIA plant 3084

McNary

McNary is a hydro power facility in Umatilla, OR, with 991 MW of operating capacity.

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Operating capacity991 MW14 operating generators
Proposed capacity0 MW0 proposed generators
UtilityUSACE Northwestern DivisionEIA-reported operator
Balancing authorityBPATBonneville Power Administration

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Hydro991 MW
ProposedNo proposed capacity reported
Reported technologiesConventional Hydroelectric

Nearby in OR

Related facilities

OR · 2.7 miNorWest Energy 9 LLC6 MW →OR · 10.0 miHermiston Generating Plant621 MW →OR · 10.1 miHermiston Power Partnership689 MW →OR · 15.7 miFour Corners Windfarm LLC8 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source