NWMT-455
100 MW storage in Yellowstone, MT · In queue since January 2024 · Proposed COD December 2028
100 MW
Capacity
1
Components
Battery
2y 6m
In Queue
Feasibility Study
IA Phase
COD target: 2028
Total Duration
4y 11m
Study Phase
Transitional Cluster 2024
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
Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
MT
County
Yellowstone
Grid Region
Mountain West
Market
—
Developer
—
Utility
NorthWestern Energy
Entity
NWMT
Service Type
NRIS/ERIS
Point of Interconnection
Shorey Road Substation
Data Source
LBNL
Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. The bankability view that determines whether the deal clears its covenants once online. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- 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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Ask about Project NWMT-455Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
