Preliminary 2025 facility recordOperating

Dayton, WA · EIA plant 56466

Marengo Wind Plant

Marengo Wind Plant is a wind power facility in Dayton, WA, with 234 MW of operating capacity.

Operating capacity234 MW2 operating generators
Proposed capacity0 MW0 proposed generators
UtilityPacifiCorpEIA-reported operator
Balancing authorityPACWPacifiCorp - West

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Wind234 MW
ProposedNo proposed capacity reported
Reported technologiesOnshore Wind Turbine

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