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234 MW Wind operating in Columbia, WA
234 MW
Nameplate Capacity
2
Generators
units
Onshore Wind Turbine
Technology
2007
Operating Since
Coordinates
46.3747, -117.7772
County
Columbia, WA
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | PacifiCorp | PacifiCorp | — |
| Owner(s) | PacifiCorp | Berkshire Hathaway | — |
| Status | Operating | retired | — |
Marengo Wind Farm is an electricity generating wind farm facility located near Dayton, Washington, United States. It is owned by PacifiCorp and began operations in 2007. The facility has a generating capacity of 140 megawatts.
Read more on WikipediaMarengo Wind Plant is a 234 MW wind farm located in Columbia County, Washington. The plant began operating in 2007 and is owned by Berkshire Hathaway and operated by PacifiCorp. It utilizes two onshore wind turbine generators. The facility is connected to the PacifiCorp - West balancing authority within the Western Electricity Coordinating Council (WECC) NERC region. Marengo Wind Plant is ranked as the 5th largest wind farm out of 17 in Washington state, and 199th out of 734 nationally.
The plant's wind turbines have a hub height of 67 meters and a rotor diameter of 100 meters. The turbines are Vestas V100-2.0 models. In the most recent year with available data, the plant generated 692,749 MWh, achieving a capacity factor of 33.7%. Financial data indicates a power purchase agreement (PPA) price of $10.78 per MWh, as reported to FERC.
Generated from EIA, GEM, and public data sources
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
PacifiCorp - West (PACW)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
54.1K MWh
Latest Month
692.7K MWh
Annual Generation
33.7%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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Historic financial signal for this asset — PPA, LCOE, market value where reported. The base for forward bankability and insurance analytics on the InfraSure platform.
PacifiCorp · Data from 2019–2025
$10.8/MWh
PPA Price
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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