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1.2 MW Natural Gas operating in Hidalgo, TX
1.2 MW
Nameplate Capacity
3
Generators
units
Natural Gas Internal Combustion Engine
Technology
2021
Operating Since
Coordinates
26.2607, -98.3159
County
Hidalgo, TX
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Walmart Stores Texas, LLC | — | — |
| Owner(s) | Walmart Stores Texas, LLC | — | — |
| Status | Operating | — | — |
WAL3320 is a natural gas-fired power plant located in Hidalgo County, Texas. The plant has a total capacity of 1.2 MW and is comprised of 3 natural gas internal combustion engine generators. It began operating in 2021 and is owned and operated by Walmart Stores Texas, LLC. The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority.
In its most recent year of operation, WAL3320 generated 291 MWh of electricity, achieving a capacity factor of 2.8%. According to state rankings, the plant is the 258th largest in Texas out of 312 plants. Nationally, it is ranked 1901 out of 1963 plants. The plant is located within the Texas Regional Entity (TRE) NERC region.
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
0.48 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Commercial
Sector
Commercial Non-CHP
21 MWh
Latest Month
291 MWh
Annual Generation
2.8%
Capacity Factor
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CO₂ Intensity
1674 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
33 lb/MWh
SO₂
0.046 lb/MWh
CH₄
0.032 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
3.5%
Annual Net Gen
0 GWh
CO₂eq
1675 lb/MWh
Subregion
ERCOT All
2021
$920/kW
Est. Construction Cost
Total estimated cost: $1.1M
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Point of Interconnection
Nearest Substation
Palmhurst Substation · 138 kV
Substation Distance
< 10 km
Operator
American Electric Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
—
Pricing Hub
HB_SOUTH
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
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