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United States › Grid › Interconnection queues › Texas

SOLAR + STORAGE · ERCOT

Zunkerville BESS

Zunkerville BESS is a 207 MW solar + storage request in interconnection study in the ERCOT interconnection queue, in Karnes County, Texas.

Queue statusIn planning
  1. PlanningQueued Sep 2025 (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingTarget Jun 2028 (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
28INR0442
Grid region
ERCOT (Texas)
Developer
Zunkerville Energy, LLC
Connection point (POI)
345kV BUS #5725 PAWNEE SWITCHING STATION
Location
Karnes County, Texas
Technology
Battery: 207 MW · Battery
Total requested
207 MW
Study phase
SS Completed, FIS Started, No IA
Queue status
Active
Entered queue
22 September 2025
Proposed online date
June 2028

Location

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

Power plants in Texas · Transmission lines in Texas

Other requests in Karnes 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