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No longer in EIA's lists of operating or planned plants. Last listed in August 2025. EIA-860M · Sep 2026
400 MW Wind in Carbon, WY
400 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
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Operating Since
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Coordinates
41.6037, -106.1306
County
Carbon, WY
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Rock Creek Wind II LLC | — | — |
| Owner(s) | Rock Creek Wind II LLC | — | — |
| Status | No longer listed | — | — |
Rock Creek Wind II is a 400 MW wind power plant located in Carbon County, Wyoming. The plant is owned and operated by Rock Creek Wind II LLC. It utilizes onshore wind turbine technology and consists of a single generator. As of the latest rankings, Rock Creek Wind II is the 5th largest wind farm in Wyoming out of 24, and the 40th largest in the United States out of 734.
The plant operates within the PacifiCorp - East balancing authority and is part of the Western Electricity Coordinating Council (WECC) NERC region. Publicly available news indicates some activity related to the plant, with 3 articles pertaining to industry news, 3 to regulatory matters, and 1 concerning grid operations.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
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Balancing Authority
No generation data available for this plant.
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2023
$2,114/kW
Est. Construction Cost
Total estimated cost: $845.6M
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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.
Last updated 2026-03-14
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Grid Voltage
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Regulatory Status
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Entity Type
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Sector
IPP Non-CHP