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10 MW BESS operating in Hidalgo, TX — Electric Reliability Council of Texas, Inc.
10 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2023
Operating Since
Coordinates
26.1897, -98.3228
County
Hidalgo, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | SMT Mission LLC | — | — |
| Owner(s) | SMT Mission LLC | — | — |
| Status | Operating | — | — |
SMT Mission LLC is a 10 MW battery energy storage system (BESS) located in Hidalgo County, Texas. The facility, which began operating in 2023, has one generator utilizing lithium-ion battery (LIB) chemistry. The plant's primary fuel is listed as "MWH," indicating it draws power from the grid to charge its batteries. The BESS has a storage capacity of 10 MWh, providing a duration of 1 hour at full output.
SMT Mission LLC is owned and operated by SMT Mission LLC. The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority. In terms of size, SMT Mission LLC ranks as the 249th largest power plant in Texas out of 313, and 752nd nationally out of 1205.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
−23 MWh
Net Charging
-353 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.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $13.6M
Point of Interconnection
Nearest Substation
Mayberry Substation · 138 kV
Substation Distance
2.283 km
Operator
American Electric Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
MADERO_RN
Pricing Hub
HB_SOUTH
Alt. Hub / Zone
LZ_SOUTH
Location Type
Resource Node
Node Source
Curated node match
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ask pi about SMT Mission LLCElectric 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