South Peak Wind — Plant Summary
- EIA Plant ID
- 62939
- Capacity
- 80 MW
- Primary Fuel
- Wind
- Technology
- Onshore Wind Turbine
- Status
- Operating
- Location
- Judith Basin, MT
- Operating Since
- 2020
- Generators
- 1
- Operator
- ALLETE Clean Energy
- Parent Company
- —
- Annual Generation
- 243,615 MWh
- Capacity Factor
- 34.7%
- Balancing Authority
- NorthWestern Energy (NWMT)
- ISO/RTO
- —
- NERC Region
- WECC
South Peak Wind
OperatingWind
Ranked #12 of 25 Wind plants in MT#815 of 1442 nationally
80 MW Wind operating in Judith Basin, MT — NorthWestern Energy (NWMT)
EIAGEMWD
80 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2020
Operating Since
Location
Coordinates
47.3065, -110.6347
County
Judith Basin, MT
Nearby Plants
- Spion Kop Wind FarmWind40 MW · 3.6 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | ALLETE Clean Energy | ALLETE Clean Energy | — |
| Owner(s) | Great American West Wind, LLC | ALLETE Clean Energy [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as ALLETE Clean Energy [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
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
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
NorthWestern Energy (NWMT)
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
34.8K MWh
Latest Month
243.6K MWh
Annual Generation
34.7%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
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