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1.2 MW Natural Gas operating in Galveston, TX — Electric Reliability Council of Texas, Inc.
1.2 MW
Nameplate Capacity
3
Generators
units
Natural Gas Internal Combustion Engine
Technology
2022
Operating Since
Coordinates
29.2651, -94.8329
County
Galveston, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Walmart Stores Texas, LLC | — | — |
| Owner(s) | Walmart Stores Texas, LLC | — | — |
| Status | Operating | — | — |
WAL504 is a natural gas-fired power plant located in Galveston County, Texas. The plant has a total capacity of 1.2 MW and consists of 3 natural gas internal combustion engine generators. It began operating in 2022 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, WAL504 generated 247 MWh of electricity, achieving a capacity factor of 2.3%. The plant's relatively low output results in a ranking of 302 out of 312 power plants in Texas, and 1894 out of 1963 plants nationally. 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
18 MWh
Latest Month
247 MWh
Annual Generation
2.3%
Capacity Factor
CO₂ Intensity
1922 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
38 lb/MWh
SO₂
2022
$820/kW
Est. Construction Cost
Total estimated cost: $984K
Point of Interconnection
Nearest Substation
Moody 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.
No news articles linked yet for this plant.
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No ask pi reports yet for this entity.
ask pi about WAL504Electric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
0.48 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Commercial
Sector
Commercial Non-CHP
0.053 lb/MWh
CH₄
0.036 lb/MWh
N₂O
0.004 lb/MWh
Capacity Factor
2.5%
Annual Net Gen
0 GWh
CO₂eq
1924 lb/MWh
Subregion
ERCOT All