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Preliminary 2025 facility recordOperating

Pomeroy, WA · EIA plant 6175

Lower Granite

Lower Granite is a hydro power facility in Pomeroy, WA, with 810 MW of operating capacity.

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Operating capacity810 MW6 operating generators
Proposed capacity0 MW0 proposed generators
UtilityUSACE Northwestern DivisionEIA-reported operator
Balancing authorityBPATBonneville Power Administration

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Hydro810 MW
ProposedNo proposed capacity reported
Reported technologiesConventional Hydroelectric

Nearby in WA

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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