NWMT-438
250 MW generation in Stillwater, MT · In queue since January 2023 · Proposed COD December 2026
250 MW
Capacity
1
Components
Wind
3y 4m
In Queue
Facility Study
IA Status
COD target: 2026
Total Duration
3y 11m
Interconnection request submitted to ISO/RTO
Project undergoes interconnection studies to assess grid impact.
Typical: 18–36 months
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2026-12-31
NWMT-438 is a proposed 250 MW wind generation project located in Stillwater County, Montana. The project, interconnected with NorthWestern Energy (NWMT), entered the utility's interconnection queue on January 5, 2023, with a proposed commercial operation date of December 31, 2026. Its interconnection status is currently in the Facility Study phase. The point of interconnection is the Columbus-Rapelje 230kV auto substation.
The project's status is currently listed as suspended within the interconnection queue.
Generated from interconnection queue and public data sources
State
MT
County
Stillwater
Grid Region
Mountain West
Market
—
Developer
—
Utility
NorthWestern Energy
Entity
NWMT
Service Type
—
Point of Interconnection
Columbus-Rapelje 230kV auto substation.
Data Source
LBNL
- ISO / RTO
- MOUNTAIN_WEST
- Trading Hub
- MID-C
- Hub Confidence
- UNKNOWN
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
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