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BATTERY STORAGE · SPPBattery storage project GEN-2023-SR26, Mayes County
Battery storage project GEN-2023-SR26, Mayes County is a 72.5 MW battery storage request in interconnection study in the SPP interconnection queue, in Mayes County, Oklahoma, connecting to AEP.
Queue statusIn planning
- PlanningQueued Jul 2023 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingDec 2024 (not yet reached)
- Closed (not yet reached)
Studies assess what grid upgrades the project would need and who pays for them. A signed interconnection agreement is the main step before construction.
Request details
- Queue ID
- GEN-2023-SR26
- Grid region
- SPP (Southwest Power Pool)
- Utility / transmission owner
- AEP
- Connection point (POI)
- Pryor Junction 138kV sub
- Location
- Mayes County, Oklahoma
- Technology
- Battery: 72.5 MW
- Total requested
- 72.5 MW
- Service type
- Energy only (ERIS)
- Study phase
- IA PENDING
- Queue status
- Active
- Entered queue
- 12 July 2023
- Proposed online date
- December 2024
- Came online
- December 2024
Location
Marker shows the centre of Mayes County; the queue data does not give exact sites.
Other requests in Mayes County
- Gas project GEN-2024-GR5, Chouteau CountyGas · 594 MW · agreement signed
- Solar project GEN-2021-047, Mayes CountySolar · 250 MW · agreement signed
- Solar project GEN-2017-077, Mayes CountySolar · 125 MW · agreement signed
- Solar project GEN-2017-061, Mayes CountySolar · 102 MW · agreement signed
- Battery storage project GEN-2019-002, Mayes CountyBattery storage · 100 MW · agreement signed
- Solar project GEN-2017-074, Mayes CountySolar · 72.5 MW · agreement signed
- Solar project GEN-2017-073, Mayes CountySolar · 72.5 MW · agreement signed
- Gas project GI-78, Mayes CountyGas · 52.0 MW · agreement signed
- Gas project GI-77, Mayes CountyGas · 50.0 MW · agreement signed
- Solar + storage project GEN-2024-294, Mayes CountySolar + storage · 500 MW · in study
- Coal project ERAS-2025-009, Chouteau CountyCoal · 450 MW · in study
- Battery storage project GEN-2023-SR22, Mayes CountyBattery storage · 125 MW · in study
Source: Lawrence Berkeley National Laboratory, Queued Up, data through end of 2025, compiled from ISO/RTO and utility queues. Check the grid operator's own queue for the latest status. Report a problem