70 MW BESS operating in Val Verde, TX — Electric Reliability Council of Texas, Inc.
70 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Engie North America | Engie North America | — |
| Owner(s) | Engie North America | ENGIE | — |
| Status | Operating | — | — |
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
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
Antlia BESS
−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.
No financial data available for this plant.
Market Position
ISO/RTO Market
ERCOT
LMP Node
—
Pricing Hub
HB_WEST
Node Source
OSM spatial match
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Last updated 2026-03-26
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