Barbara BESS
200.51 MW hybrid in Nueces, TX · In queue since September 2025 · Proposed COD May 2028
200.51 MW
Capacity
0
Components
8 months
In Queue
—
IA Status
COD target: 2028
Total Duration
2y 8m
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: 2028-05-02
The Barbara BESS project is a proposed 200.51 MW hybrid battery energy storage system located in Nueces County, Texas. Developed by Barbara BESS LLC, the project entered the ERCOT interconnection queue as entry ERCOT-28INR0437 on September 22, 2025. The proposed commercial operation date is May 2, 2028.
The interconnection point of the project is a line tap of the Westside (8485) and Weil Tract (8482) 138 kV transmission line. The Barbara BESS project has been the subject of recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Nueces
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Barbara BESS LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
LINE TAP OF WESTSIDE (8485) AND WEIL TRACT (8482) 138 KV TRANSMISSION LINE
Data Source
Live · ERCOT
- ISO / RTO
- ERCOT
- Trading Hub
- HB_NORTH
- Hub Confidence
- LOW
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.
Last updated 2026-03-26
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