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Preliminary 2025 facility recordOperating

Hermiston, OR · EIA plant 54761

Hermiston Generating Plant

Hermiston Generating Plant is a oil & gas power facility in Hermiston, OR, with 621 MW of operating capacity.

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Operating capacity621 MW4 operating generators
Proposed capacity0 MW0 proposed generators
UtilityHermiston Generating Co LPEIA-reported operator
Balancing authorityPACWPacifiCorp - West

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Oil & gas621 MW
ProposedNo proposed capacity reported
Reported technologiesNatural Gas Fired Combined Cycle

Nearby in OR

Related facilities

OR · 2.8 miHermiston Power Partnership689 MW →OR · 5.7 miFour Corners Windfarm LLC8 MW →OR · 6.6 miOregon Trail Windfarm LLC10 MW →OR · 7.5 miButter Creek Power LLC5 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