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3550.5 MW Wind under construction in Carbon, WY
3,550.5 MW
Nameplate Capacity
4
Generators
units
Onshore Wind Turbine
Technology
—
Operating Since
Coordinates
41.6831, -107.2000
County
Carbon, WY
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Power Company of Wyoming LLC | Power Company of Wyoming LLC | — |
| Owner(s) | Power Company of Wyoming LLC | Power Company of Wyoming LLC | — |
| Status | Under construction | construction | — |
GEM identifies the owner as Power Company of Wyoming LLC
This entity is not yet in the GEM ownership database — chain unavailable.
Chokecherry and Sierra Madre Wind is a wind power plant located in Carbon County, Wyoming. The facility has a total capacity of 3550.5 MW, making it the largest wind farm in Wyoming and the largest in the United States. It consists of four wind turbine generators and is operated by Power Company of Wyoming LLC. The plant utilizes onshore wind turbine technology and its primary fuel source is wind (WND).
The plant's balancing authority is the California Independent System Operator (CAISO), and it is located within the Western Electricity Coordinating Council (WECC) NERC region. As of the latest rankings, it is the first largest of 24 wind plants in Wyoming and the first largest of 734 wind plants nationally. The plant has been the subject of 10 news articles, with coverage focusing on industry (6 articles), regulatory matters (3 articles), and grid-related topics (1 article).
Generated from EIA, GEM, and public data sources
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
California Independent System Operator (CISO)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
No generation data available for this plant.
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2023
$2,114/kW
Est. Construction Cost
Total estimated cost: $7.5B
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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Market Position
ISO/RTO Market
CAISO
LMP Node
not applicable
Pricing Hub
TH_NP15_GEN-APND
Node Source
EIA-860 direct report
Last updated 2026-03-26
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