SPP-GEN-2024-331
300 MW storage in Halliday, ND · In queue since March 2025
300 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-2024-331 is a proposed 300 MW battery storage project located in Halliday County, North Dakota. The project, which is listed in the Southwest Power Pool (SPP) interconnection queue, entered the queue on March 1, 2025. The designated point of interconnection (POI) is the Round Up 345 kV Substation. The project's service type is Energy Resource/Network Resource (ER/NR).
The development project is listed as active in the SPP queue. The utility associated with the project is Basin Electric Power Cooperative (BEPC).
Generated from interconnection queue and public data sources
State
ND
County
Halliday
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
BEPC
Entity
SPP
Service Type
ER/NR
Point of Interconnection
Round Up 345 kV Substation
Data Source
Live · SPP
- ISO / RTO
- SPP
- Trading Hub
- SPP North Hub
- Hub Confidence
- MEDIUM
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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