Zunkerville BESS
206.74 MW hybrid in Karnes, TX · In queue since September 2025 · Proposed COD June 2028
206.74 MW
Capacity
0
Components
8 months
In Queue
—
IA Status
COD target: 2028
Total Duration
2y 9m
Interconnection request submitted to ISO/RTO
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2028-06-01
The Zunkerville BESS project is a proposed 206.74 MW hybrid battery energy storage project located in Karnes County, Texas. Developed by Zunkerville Energy, LLC, the project consists of battery energy storage and other unspecified technologies. It is currently active in the ERCOT interconnection queue as entry ERCOT-28INR0442, with a queue entry date of September 22, 2025, and a proposed commercial operation date of June 1, 2028.
The point of interconnection for the project is the 345kV BUS #5725 at the Pawnee Switching Station. Recent news coverage has discussed the development project.
Generated from interconnection queue and public data sources
State
TX
County
Karnes
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Zunkerville Energy, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
345kV BUS #5725 PAWNEE SWITCHING STATION
Data Source
Live · ERCOT
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- MEDIUM
- POI Substation
- Pawnee
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.
No ask pi reports yet for this entity.
ask pi about Zunkerville BESS
