Antlia — Plant Summary
- EIA Plant ID
- 65588
- Capacity
- 70 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Val Verde, TX
- Operating Since
- 2025
- Generators
- 1
- Operator
- Engie North America
- Parent Company
- ENGIE
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Antlia
OperatingBESS
Ranked #170 of 256 BESS plants in TX#371 of 837 nationally
70 MW BESS operating in Val Verde, TX — Electric Reliability Council of Texas, Inc.
EIA
70 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Location
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Engie North America | Engie North America | — |
| Owner(s) | Engie North America | ENGIE | — |
| Status | Operating | — | — |
Ownership Chain
About
The Antlia energy storage plant is located in Val Verde County, Texas. It is owned by ENGIE, a company based in France, and operated by Engie North America. The plant has a total capacity of 70 MW and consists of a single generator utilizing battery storage technology. The primary fuel source is electricity (MWH). Antlia began operating in 2025.
Antlia operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, and is part of the TRE NERC region. In terms of size, Antlia ranks as the 227th largest power plant in Texas out of 313, and 564th nationally out of 1205. The battery energy storage system (BESS) at the plant has a duration of 2 hours.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
138 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue1 projectBeta
Antlia BESS
ActiveBattery72.38 MWERCOT
Generation
−599 MWh
Net Charging
—
Annual Net Energy
—
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
Financial Data
No financial data available for this plant.
Pricing & Market Data
MEDIUM confidenceMarket Position
ISO/RTO Market
ERCOT
LMP Node
—
Pricing Hub
HB_WEST
Node Source
OSM spatial match
Devils River SubstationSubstation
Whiting SubstationSubstation
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Last updated 2026-03-26
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