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9.9 MW BESS operating in Zapata, TX
9.9 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2022
Operating Since
Coordinates
26.6871, -99.1091
County
Zapata, 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 | — | — |
Lopeno is a 9.9 MW battery energy storage system (BESS) located in Zapata County, Texas. The plant began operating in 2022 and is owned by ENGIE, a company based in France; Engie North America is the listed operator. The facility utilizes lithium-ion batteries (LIB) and has a total storage capacity of 9.9 MWh, providing a duration of 1 hour at full output. Lopeno connects to the Electric Reliability Council of Texas (ERCOT) grid, falling within the TRE NERC region.
The Lopeno facility is ranked as the 289th largest power plant in Texas out of 313, and nationally it is ranked 827th out of 1205. The plant consists of a single generator utilizing batteries as its primary fuel source.
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
25.0 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.
−9 MWh
Net Charging
-132 MWh
Annual Net Energy
-0.2%
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: $11.9M
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Point of Interconnection
Nearest Substation
Lopeno Substation · 138 kV
Substation Distance
0 km
Operator
South Texas Electric Cooperative
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
BRP_LOP1_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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