10 MW BESS operating in Cameron, TX — Electric Reliability Council of Texas, Inc.
10 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2023
Operating Since
Coordinates
26.1800, -97.7255
County
Cameron, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | SMT Harlingen II LLC | — | — |
| Owner(s) | SMT Harlingen II LLC | — | — |
| Status | Operating | — | — |
SMT Harlingen II LLC is a 10 MW battery energy storage system (BESS) located in Cameron County, Texas. The plant, identified by plant code 66933, began operating in 2023 and is owned and operated by SMT Harlingen II LLC. It consists of a single generator utilizing batteries as its primary fuel source, with a total BESS storage capacity of 10 MWh and a duration of 1 hour. The battery chemistry is lithium-ion (LIB).
The facility operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, falling under the Texas Reliability Entity (TRE) NERC region. In terms of size, SMT Harlingen II LLC ranks as the 248th largest power plant in Texas out of 313, and nationally it is ranked 743rd out of 1205 plants.
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
−25 MWh
Net Charging
-364 MWh
Annual Net Energy
-0.4%
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
West Harlingen Substation · 69 kV
Substation Distance
0.275 km
Operator
American Electric Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
W_HRL_ESR_RN
Pricing Hub
HB_SOUTH
Secondary Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match