🔌 EV Partnership Switch to Octopus Energy & unlock exclusive smart EV charging rates Find out more → Skip to main content

United States › Grid › Interconnection queues › Oklahoma

BATTERY STORAGE · SPP

Battery storage project GEN-2025-SR30, Dewey County

Battery storage project GEN-2025-SR30, Dewey County is a 209 MW battery storage request in interconnection study in the SPP interconnection queue, in Dewey County, Oklahoma, connecting to OG&E.

Queue statusIn planning
  1. PlanningQueued Aug 2025 (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingTarget Dec 2027 (not yet reached)
  5. 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-2025-SR30
Grid region
SPP (Southwest Power Pool)
Utility / transmission owner
OG&E
Connection point (POI)
Tatonga 345 kV Substation
Location
Dewey County, Oklahoma
Technology
Battery: 209 MW
Total requested
209 MW
Service type
Energy only (ERIS)
Study phase
In Progress (unknown study)
Queue status
Active
Entered queue
22 August 2025
Proposed online date
December 2027

Location

Marker shows the centre of Dewey County; the queue data does not give exact sites.

Power plants in Oklahoma · Transmission lines in Oklahoma

Other requests in Dewey County

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