SPP-GEN-2024-328
250 MW storage in Slope, MT · In queue since March 2025
250 MW
Capacity
0
Components
1y 2m
In Queue
—
IA Status
Total Duration
1y 2m
Interconnection request submitted to ISO/RTO
SPP uses the Definitive Interconnection System Impact Study (DISIS) cluster process.
Typical: 36–48 months (improving)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Commercial operation date not yet determined
SPP-GEN-2024-328 is a proposed 250 MW battery storage project located in Slope County, Montana. The project, listed in the Southwest Power Pool (SPP) interconnection queue, entered the queue on March 1, 2025, under queue ID SPP-GEN-2024-328. The Balancing Authority is BEPC.
The project's point of interconnection (POI) is the Little Missouri 230 kV Substation. The designated service type is ER/NR, and the project is currently listed as active in the SPP queue.
Generated from interconnection queue and public data sources
State
MT
County
Slope
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
BEPC
Entity
SPP
Service Type
ER/NR
Point of Interconnection
Little Missouri 230 kV Substation
Data Source
Live · SPP
- ISO / RTO
- SPP
- Trading Hub
- SPP North Hub
- Hub Confidence
- HIGH
- POI Substation
- Little Missouri Substation
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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