Preliminary 2025 facility recordOperating

Cascade Locks, OR · EIA plant 3075

Bonneville

Bonneville is a hydro power facility in Cascade Locks, OR, with 1,162 MW of operating capacity.

Operating capacity1,162 MW20 operating generators
Proposed capacity0 MW0 proposed generators
UtilityUSACE Northwestern DivisionEIA-reported operator
Balancing authorityBPATBonneville Power Administration

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Hydro1,162 MW
ProposedNo proposed capacity reported
Reported technologiesConventional Hydroelectric

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