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248 MW Wind operating in Stillwater, MT — NorthWestern Energy (NWMT)
248 MW
Nameplate Capacity
4
Generators
units
Onshore Wind Turbine
Technology
2025
Operating Since
Coordinates
45.9560, -109.4970
County
Stillwater, MT
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Puget Sound Energy Inc | Caithness Energy | — |
| Owner(s) | Puget Sound Energy Inc | PUGET HOLDINGS | — |
| Status | Operating | operating | — |
Beaver Creek Wind Facility is a 248 MW wind power plant located in Stillwater County, Montana. The facility began operating in 2025 and utilizes onshore wind turbine technology. It consists of 4 generators and is owned by Puget Holdings, with Puget Sound Energy Inc. serving as the operator. The plant's primary fuel source is wind (WND).
Beaver Creek Wind Facility operates within the NorthWestern Energy (NWMT) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. It is the third-largest wind farm in Montana out of 11, and ranks 180th nationally out of 734 wind facilities.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
66.0K MWh
Latest Month
—
Annual Generation
—
Capacity Factor
2023
$2,114/kW
Est. Construction Cost
Total estimated cost: $524.3M
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-26
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ask pi about Beaver Creek Wind FacilityNorthWestern Energy (NWMT) (NWMT)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility