SPP-GEN-2026-SR2
165.6 MW storage in Cimmaron, KS · In queue since December 2025
165.6 MW
Capacity
0
Components
5 months
In Queue
—
IA Status
Total Duration
5 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-GEN-2026-SR2 is a proposed 165.6 MW battery storage project located in Cimarron County, Kansas. The project is listed in the Southwest Power Pool (SPP) interconnection queue under queue ID SPP-GEN-2026-SR2. The queue entry date is December 19, 2025. The utility associated with the project is Sunflower Electric Power Corporation (SUNC).
The project's point of interconnection (POI) is the Buckner 345kV substation. The designated service type is Energy Resource (ER). As of the latest data, the project is listed as active in the SPP queue.
Generated from interconnection queue and public data sources
State
KS
County
Cimmaron
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
SUNC
Entity
SPP
Service Type
ER
Point of Interconnection
Buckner 345kV
Data Source
Live · SPP
- ISO / RTO
- SPP
- Trading Hub
- SPP North 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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