SPP-ERAS-2025-010
496 MW generation in Harrah, OK · In queue since September 2025
496 MW
Capacity
0
Components
8 months
In Queue
—
IA Status
Total Duration
8 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-ERAS-2025-010 is a proposed 496 MW natural gas-fired generation project located in Harrah County, Oklahoma. The project, utilizing thermal combustion turbine technology, is listed in the Southwest Power Pool (SPP) interconnection queue under queue ID SPP-ERAS-2025-010. The queue entry date is September 10, 2025. The interconnecting utility is Oklahoma Gas & Electric (OGE).
The project's point of interconnection (POI) is the Horseshoe Lake 138kV Substation. The designated service type is ER/NR, indicating it is intended to provide both energy resource and network resource services. The project currently has an active status within the SPP interconnection queue.
Generated from interconnection queue and public data sources
State
OK
County
Harrah
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
OGE
Entity
SPP
Service Type
ER/NR
Point of Interconnection
Horseshoe Lake 138kV Substation
Data Source
Live · SPP
- ISO / RTO
- SPP
- Trading Hub
- SPP South Hub
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- OKGEHL8
- POI Substation
- Horseshoe Lake 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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