Field Marshal Storage
150.8 MW hybrid in Erath, TX · In queue since March 2025 · Proposed COD May 2029
150.8 MW
Capacity
0
Components
1y 2m
In Queue
—
IA Status
COD target: 2029
Total Duration
4y 2m
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: 2029-05-07
The Field Marshal Storage project is a proposed 150.8 MW hybrid battery energy storage project located in Erath County, Texas. Developed by Field Marshal Storage LLC, the project consists of battery energy storage and other unspecified technologies. It is currently active in the ERCOT interconnection queue as entry ERCOT-28INR0290, with a queue entry date of March 24, 2025, and a proposed commercial operation date of May 7, 2029.
The project's point of interconnection (POI) is the Dublin (1636) - Fullhouse (1652) 138kV line. The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Erath
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Field Marshal Storage LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Dublin (1636) - Fullhouse (1652) 138kV
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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