SPP-GEN-2023-055
100 MW storage in Mayes, OK · In queue since October 2023 · Proposed COD May 2028
100 MW
Capacity
1
Components
Battery
2y 7m
In Queue
System Impact Study
IA Status
COD target: 2028
Total Duration
4y 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: 2028-05-31
SPP-GEN-2023-055 is a proposed 100 MW battery storage project located in Mayes County, Oklahoma. The project is in the Southwest Power Pool (SPP) interconnection queue, having entered the queue on October 2, 2023. The proposed commercial operation date is May 31, 2028. The project's interconnection status is currently in the System Impact Study phase. The utility is Grand River Dam Authority (GRDA).
The development project consists of 100 MW of battery storage. The point of interconnection (POI) is the Kerr Grove 161 kV substation. The project is currently listed as active in the SPP queue.
Generated from interconnection queue and public data sources
State
OK
County
Mayes
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
GRDA
Entity
SPP
Service Type
—
Point of Interconnection
Kerr Grove 161 kV
Data Source
LBNL + Live
- 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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