Preliminary 2025 facility recordOperating

Tieton, WA · EIA plant 50423

Cowiche

Cowiche is a hydro power facility in Tieton, WA, with 2 MW of operating capacity.

Operating capacity2 MW1 operating generators
Proposed capacity0 MW0 proposed generators
UtilityYakima-Tieton Irrigation DistEIA-reported operator
Balancing authorityPACWPacifiCorp - West

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Hydro2 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