SPP-GEN-2026-SR4
400 MW storage in Oktaha, OK · In queue since November 2025
400 MW
Capacity
0
Components
6 months
In Queue
—
IA Status
Total Duration
6 months
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-2026-SR4 is a proposed 400 MW battery storage project located in Oktaha County, Oklahoma. The project is in the Southwest Power Pool (SPP) interconnection queue, having entered the queue on November 17, 2025. The interconnecting utility is Oklahoma Gas & Electric (OG&E).
The project's point of interconnection (POI) is at the Canadian River-Muskogee and Muskogee-Seminole 345kV lines. The designated service type for the project is Energy Resource (ER). The project is currently listed as active in the SPP queue.
Generated from interconnection queue and public data sources
State
OK
County
Oktaha
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
OG&E
Entity
SPP
Service Type
ER
Point of Interconnection
Canadian River-Muskogee and Muskogee-Seminole 345kV
Data Source
Live · SPP
- ISO / RTO
- SPP
- Trading Hub
- SPP South 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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