SPP-GEN-2025-SR6
200 MW storage in Grady, OK · In queue since June 2025 · Proposed COD December 2026
200 MW
Capacity
1
Components
Battery
1y 1m
In Queue
Facility Study
IA Phase
COD target: 2026
Total Duration
1y 6m
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: 2026-12-31
SPP-GEN-2025-SR6 is a proposed 200 MW battery storage project located in Minco, Oklahoma. The project is listed in the Southwest Power Pool (SPP) interconnection queue, having entered the queue on June 4, 2025. OG&E is the utility associated with the project, which is seeking ER/NR service type and proposes to interconnect at the Minco 345kV Substation.
The project is currently listed as active in the SPP queue. The developer is not specified in the queue data.
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
Grady
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
OG&E
Entity
SPP
Service Type
NRIS/ERIS
Point of Interconnection
Minco 345kV Substation
Data Source
LBNL + Live
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.
See the full risk decomposition + scenarios for this project.
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
- HIGH
- Nearest Node (Estimated)
- OKGE.MNII.MNII
- POI Substation
- Minco 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.
