Stegall Storage
50.47 MW storage in Robertson, TX · In queue since August 2023 · Proposed COD May 2027
50.47 MW
Capacity
1
Components
Battery
2y 9m
In Queue
Facility Study
IA Status
COD target: 2027
Total Duration
3y 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: 2027-05-30
The Stegall Storage project is a proposed 50.47 MW battery energy storage system in Robertson County, Texas. Developed by BT Martin Solar, LLC, the project is currently active in the ERCOT interconnection queue as entry ERCOT-25INR0498, with a queue entry date of August 21, 2023. The proposed commercial operation date is May 30, 2027, and the project's interconnection agreement status is currently in the Facility Study phase.
The point of interconnection for the Stegall Storage project is planned as a tap connection to a new switching station on the Elliott (Bus #53) - Franklin (Bus #57) 69 kV Transmission Line. Recent news coverage has discussed the development of this project.
Generated from interconnection queue and public data sources
State
TX
County
Robertson
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
BT Martin Solar, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap connection to a new switching station on the Elliott (Bus #53) - Franklin (Bus #57) 69 kV Transmission Line
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- POI Substation
- Ajo Switching Station
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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