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200 MW BESS under construction in San Patricio, TX
200 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
—
Operating Since
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Coordinates
28.0427, -97.4401
County
San Patricio, TX
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Lydian Energy | — | — |
| Owner(s) | Lydian Energy | — | — |
| Status | Under construction | — | — |
Pintail BESS is a 200 MW battery energy storage system located in San Patricio County, Texas. The plant, identified by the EIA plant code 68582, is operated by Lydian Energy. It consists of a single generator using MWH as its primary fuel source.
The facility operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, which falls under the Texas Reliability Entity (TRE) NERC region. Pintail BESS ranks as the 108th largest power plant in Texas out of 224, and 291st nationally out of 514.
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
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
No generation data available for this plant.
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2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $272.2M
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Market Position
ISO/RTO Market
ERCOT
LMP Node
—
Pricing Hub
HB_SOUTH
Node Source
OSM spatial 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.
Last updated 2026-03-26
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Forward forecasts, scenario decomposition, and risk-decision tooling for this asset.