Baker Branch BESS
287.22 MW hybrid in Lamar, TX · In queue since June 2025 · Proposed COD April 2029
287.22 MW
Capacity
0
Components
11 months
In Queue
—
IA Status
COD target: 2029
Total Duration
3y 10m
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: 2029-04-27
The Baker Branch BESS project is a proposed 287.22 MW hybrid battery energy storage project located in Lamar County, Texas. Developed by Mockingbird Storage Center, LLC, the project consists of battery energy storage and other unspecified technologies. It is currently active in the ERCOT interconnection queue as entry ERCOT-27INR0409, with a queue entry date of June 19, 2025, and a proposed commercial operation date of April 27, 2029.
The point of interconnection for the Baker Branch BESS project is the Pacific Switch (PACSW) 345 kV Bus 11683. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Lamar
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Mockingbird Storage Center, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Pacific Switch (PACSW) 345 kV Bus 11683
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.
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