NWMT-455
100 MW storage in Yellowstone, MT · In queue since January 2024 · Proposed COD December 2028
100 MW
Capacity
1
Components
Battery
2y 4m
In Queue
Feasibility Study
IA Status
COD target: 2028
Total Duration
4y 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: 2028-12-28
NWMT-455 is a proposed 100 MW battery storage project located in Yellowstone County, Montana. The project is in the NorthWestern Energy (NWMT) interconnection queue with queue entry date of January 15, 2024, and a proposed commercial operation date of December 28, 2028. Its interconnection status is currently in the Feasibility Study phase. The point of interconnection is the Shorey Road Substation.
The development project consists of 100 MW of battery storage capacity. It is listed as an active project in the interconnection queue.
Generated from interconnection queue and public data sources
State
MT
County
Yellowstone
Grid Region
Mountain West
Market
—
Developer
—
Utility
NorthWestern Energy
Entity
NWMT
Service Type
—
Point of Interconnection
Shorey Road 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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