Antonio Road BESS
155.52 MW storage in Bastrop, TX · In queue since October 2023 · Proposed COD June 2027
155.52 MW
Capacity
1
Components
Battery
2y 7m
In Queue
Facility Study
IA Status
COD target: 2027
Total Duration
3y 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: 2027-06-01
The Antonio Road BESS project is a proposed 155.52 MW battery storage project located in Bastrop County, Texas. Developed by Tempus Power Management LLC, the project is currently active in the ERCOT interconnection queue as entry ERCOT-27INR0090, with a queue entry date of October 13, 2023. The proposed commercial operation date is June 1, 2027.
The project's interconnection status is currently in the Facility Study phase. The point of interconnection (POI) is the Paige 138kV bus number 7308, connecting to the existing substation via the addition of a breaker. The Antonio Road BESS project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Bastrop
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Tempus Power management LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Paige 138kV, bus number 7308, connecting to the existing substation via adding a breaker
Data Source
LBNL + Live
- 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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