Antlia BESS
72.38 MW storage in Val Verde, TX · In queue since June 2020 · Proposed COD April 2025
72.38 MW
Capacity
1
Components
Battery
5y 11m
In Queue
IA Executed
IA Status
Signed Jun 2021
Queue → IA
1 year
IA → COD
3y 10m
Total Duration
1 year
Schedule
13 months past proposed COD
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 executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2025-04-15
The Antlia BESS project is a proposed 72.38 MW battery storage project located in Val Verde County, Texas. Developed by BRP Antlia BESS LLC, the project consists entirely of battery storage. It is interconnected within the ERCOT region under queue ID ERCOT-22INR0349, with an interconnection agreement executed on June 5, 2021.
The project entered the ERCOT interconnection queue on June 3, 2020, and has a proposed commercial operation date of April 15, 2025. The point of interconnection is the 88999 138 kV Maxwell Station. The Antlia BESS project is linked to the existing Antlia operating plant (EIA plant ID 65588). The project has appeared in recent news coverage.
Generated from interconnection queue and public data sources
State
TX
County
Val Verde
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
BRP Antlia BESS LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
88999 138 kV Maxwell Station
Data Source
LBNL
- ISO / RTO
- ERCOT
- Trading Hub
- HB_WEST
- Hub Confidence
- MEDIUM
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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