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19.8 MW BESS operating in Maverick, TX
19.8 MW
Nameplate Capacity
2
Generators
units
Batteries
Technology
2022
Operating Since
Coordinates
28.6814, -100.4611
County
Maverick, TX
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Engie North America | Engie North America | — |
| Owner(s) | Engie North America | ENGIE | — |
| Status | Operating | — | — |
Pueblo BA is a battery energy storage system (BESS) located in Maverick County, Texas. The plant, owned by ENGIE North America (a subsidiary of the French company ENGIE), has a total capacity of 19.8 MW. It began operating in 2022 and consists of two generators utilizing lithium-ion battery (LIB) chemistry. The plant's storage capacity is 9.9 MWh, providing a duration of one hour at full power.
Pueblo BA operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, which falls under the Texas Reliability Entity (TRE) NERC region. In terms of size, the plant is ranked 242 out of 313 power plants in Texas, and 705 out of 1205 nationally. The plant's primary fuel type is listed as "MWH," indicating that it draws power from the grid to charge its batteries.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
Electric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
12.5 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
−119 MWh
Net Charging
-1.4K MWh
Annual Net Energy
-0.8%
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.
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2022
$1,205/kW
Est. Construction Cost
Total estimated cost: $23.9M
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Point of Interconnection
Nearest Substation
Pueblo Substation · 138 kV
Substation Distance
0 km
Operator
American Electric Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
BRP_PBL1_RN
Pricing Hub
HB_SOUTH
Alt. Hub / Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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