SPP-GEN-2023-SR20
120 MW storage in Custer, OK · In queue since June 2023 · Proposed COD June 2025
120 MW
Capacity
1
Components
Battery
2y 11m
In Queue
IA Pending
IA Status
COD target: 2025
Total Duration
2 years
Schedule
11 months past proposed COD
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)
Proposed COD: 2025-06-01
SPP-GEN-2023-SR20 is a proposed 120 MW battery storage project located in Custer County, Oklahoma. The project, which consists of a 120 MW battery component, is in the Southwest Power Pool (SPP) interconnection queue, with an entry date of June 21, 2023. The proposed commercial operation date is June 1, 2025.
The project's interconnection agreement (IA) status is currently listed as "IA Pending." The designated point of interconnection (POI) is the Weatherford 138 kV Substation, and the interconnecting utility is AEP.
Generated from interconnection queue and public data sources
State
OK
County
Custer
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
AEP
Entity
SPP
Service Type
—
Point of Interconnection
Weatherford 138 kV Substation
Data Source
LBNL + Live
- ISO / RTO
- SPP
- Trading Hub
- SPP South Hub
- Hub Confidence
- HIGH
- POI Substation
- Weatherford Southeast 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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