NWMT-433
65 MW hybrid in Stillwater, MT · In queue since September 2022 · Proposed COD October 2025
65 MW
Capacity
1
Components
Solar
3y 8m
In Queue
Facility Study
IA Status
COD target: 2025
Total Duration
3y 1m
Schedule
7 months past proposed COD
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: 2025-10-01
NWMT-433 is a proposed 65 MW hybrid solar and battery project located in Stillwater County, Montana. The project consists of 65 MW of solar generation. Interconnection is with NorthWestern Energy (NWMT) via the Columbus Rapelje Substation.
The project is listed in the NWMT interconnection queue with an entry date of September 6, 2022. Its proposed commercial operation date is October 1, 2025, and its interconnection agreement status is currently in the Facility Study phase.
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 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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