SPP-GEN-2026-SR21
148 MW storage in South Coffeyville, OK · In queue since May 2026 · Proposed COD December 2029
148 MW
Capacity
0
Components
5 months
In Queue
—
IA Status
COD target: 2029
One connected view of the asset's ownership, operating or development evidence, grid context, commercial relationships, history, and forward outlook.
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Total Duration
3y 7m
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: 2029-12-31
**SPP-GEN-2026-SR21** is a proposed battery energy storage project in the Southwest Power Pool (SPP) interconnection queue. It is listed with a location of South Coffeyville, Oklahoma, and has a total capacity of 148 MW. The project is classified as a standalone storage resource, with Battery/Storage as its sole technology. No developer is identified in the available queue data. The associated transmission owner is American Electric Power (AEP), and the proposed point of interconnection is the Farmland-Delaware 138 kV transmission line.
The project entered the SPP queue on May 28, 2026, and is currently listed as active. It has requested Energy Resource (ER) interconnection service. Its proposed commercial operation date is December 31, 2029. The queue data does not report the status of an interconnection agreement.
Generated from interconnection queue and public data sources
Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
OK
County
South Coffeyville
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
AEP
Entity
SPP
Service Type
ER
Point of Interconnection
Farmland-Delaware 138kV line
Data Source
Live · SPP
Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
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Forward generation outlook — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. The bankability view that determines whether the deal clears its covenants once online. 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
- 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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Ask about Project SPP-GEN-2026-SR21Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
