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
3y 1m
In Queue
IA Pending
IA Phase
COD target: 2025
Total Duration
2 years
Schedule
13 months past proposed COD
Study Phase
Surplus; 04 SOUTHEAST
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
Realization history for this asset — final cost vs plan, COD slip vs original date, and construction duration vs cohort. Retrospective context for the operating risk view above. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
OK
County
Custer
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
AEP
Entity
SPP
Service Type
ERIS
Point of Interconnection
Weatherford 138 kV Substation
Data Source
LBNL + Live
Composite operating risk view for this asset — climate hazards across its remaining operating life, observed generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — 10-year P50 trajectory accounting for degradation, observed curtailment, and market conditions, with probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR bands, and refinancing risk for this asset — 10-year cashflow projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- 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.
Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
