9.9 MW BESS operating in Nueces, TX — Electric Reliability Council of Texas, Inc.
9.9 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
27.7969, -97.4871
County
Nueces, TX
Nearby Plants
| 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
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
12.47 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Callaway Storage
−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.
No financial data available for this plant.
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
Secondary Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match
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Last updated 2026-03-26
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