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80 MW Wind operating in Judith Basin, MT
80 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2020
Operating Since
Coordinates
47.3065, -110.6347
County
Judith Basin, MT
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | ALLETE Clean Energy | ALLETE Clean Energy | — |
| Owner(s) | Great American West Wind, LLC | ALLETE Clean Energy | — |
| Status | Operating | operating | — |
GEM identifies the owner as ALLETE Clean Energy
This entity is not yet in the GEM ownership database — chain unavailable.
South Peak Wind is an 80 MW wind power plant located in Judith Basin County, Montana. The facility, which began operating in 2020, is owned and operated by ALLETE Clean Energy. It utilizes a single generator consisting of onshore wind turbines. The plant is interconnected to the NorthWestern Energy (NWMT) balancing authority within the Western Electricity Coordinating Council (WECC) NERC region.
The wind farm's turbines have a hub height of 90 meters and a rotor diameter of 127 meters. The turbines were manufactured by GE Wind, model GE2.82-127. In its most recent year of operation, South Peak Wind generated 243,615 MWh of electricity, achieving a capacity factor of 34.7%. The plant ranks as the 12th largest wind farm in Montana out of 25, and 800th nationally out of 1424.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
NorthWestern Energy (NWMT) (NWMT)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
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.
34.8K MWh
Latest Month
243.6K MWh
Annual Generation
34.7%
Capacity Factor
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2020
$1,450/kW
Est. Construction Cost
Total estimated cost: $116.0M
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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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