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1.2 MW Natural Gas operating in Harris, TX — Electric Reliability Council of Texas, Inc.
1.2 MW
Nameplate Capacity
3
Generators
units
Natural Gas Internal Combustion Engine
Technology
2019
Operating Since
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Walmart Stores Texas, LLC | — | — |
| Owner(s) | Walmart Stores Texas, LLC | — | — |
| Status | Operating | — | — |
WAL4538 is a 1.2 MW natural gas-fired power plant located in Harris County, Texas. The facility began operating in 2019 and consists of three natural gas internal combustion engine generators. It is owned and operated by Walmart Stores Texas, LLC. The plant operates within the Electric Reliability Council of Texas, Inc. (ERCOT) balancing authority, and the NERC Texas Reliability Entity (TRE) region.
In its most recent year of operation, WAL4538 generated 192 MWh of electricity, achieving a capacity factor of 1.8%. The plant's generating capacity ranks 209th out of 312 power plants in Texas, and 1806th out of 1963 plants nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
14 MWh
Latest Month
192 MWh
Annual Generation
1.8%
Capacity Factor
CO₂ Intensity
2024 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
40 lb/MWh
SO₂
2019
$1,078/kW
Est. Construction Cost
Total estimated cost: $1.3M
Point of Interconnection
Nearest Substation
Franz Substation · 138 kV
Substation Distance
< 10 km
Operator
CenterPoint Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
—
Pricing Hub
HB_HOUSTON
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
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No ask pi reports yet for this entity.
ask pi about WAL4538Electric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
0.48 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Commercial
Sector
Commercial Non-CHP
0.054 lb/MWh
CH₄
0.038 lb/MWh
N₂O
0.004 lb/MWh
Capacity Factor
1.8%
Annual Net Gen
0 GWh
CO₂eq
2026 lb/MWh
Subregion
ERCOT All