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9.9 MW BESS operating in Nueces, TX
9.9 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
27.7969, -97.4871
County
Nueces, TX
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | HEN Infrastructure, L.L.C. | Hunt Energy Network | — |
| Owner(s) | Hunt Energy Network, LLC, John Hancock Funding Company, Manulife Infrastructure II Holdings A, L.P. | Hunt Energy | — |
| Status | Operating | — | — |
The Weil Tract BESS is a 9.9 MW battery energy storage system located in Nueces County, Texas. The plant began operating in 2024 and is owned by Hunt Energy. The operator listed with the EIA is HEN Infrastructure, L.L.C. The facility consists of a single generator utilizing battery technology with a lithium-ion (LIB) chemistry.
The Weil Tract BESS has a total storage capacity of 9.9 MWh, providing a duration of 1 hour at its full power output. The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, and the NERC region is TRE. In terms of size, the plant is ranked 302 out of 313 power plants in Texas, and 841 out of 1205 nationally. The primary fuel type is listed as MWH, indicating that the plant consumes electricity 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
12.47 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.
−16 MWh
Net Charging
-134 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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2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $13.5M
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Point of Interconnection
Nearest Substation
Weil Tract Substation · 138 kV
Substation Distance
0.167 km
Operator
American Electric Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
WLTC_ESR_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.
Last updated 2026-04-09
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