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1.2 MW Natural Gas operating in Williamson, TX — Electric Reliability Council of Texas, Inc.
1.2 MW
Nameplate Capacity
3
Generators
units
Natural Gas Internal Combustion Engine
Technology
2021
Operating Since
Coordinates
30.5337, -97.6120
County
Williamson, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Walmart Stores Texas, LLC | — | — |
| Owner(s) | Walmart Stores Texas, LLC | — | — |
| Status | Operating | — | — |
WAL5480 is a natural gas-fired power plant located in Williamson County, Texas. The plant, owned and operated by Walmart Stores Texas, LLC, has a total capacity of 1.2 MW consisting of three natural gas internal combustion engine generators. The plant began operating in 2021.
In its latest year of operation, WAL5480 generated 259 MWh of electricity, achieving a capacity factor of 2.5%. The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority, and is within the Texas Reliability Entity (TRE) NERC region. WAL5480 ranks as the 251st largest power plant in Texas out of 312, and 1823rd nationally out of 1963 plants.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
19 MWh
Latest Month
259 MWh
Annual Generation
2.5%
Capacity Factor
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
2021
$920/kW
Est. Construction Cost
Total estimated cost: $1.1M
Point of Interconnection
Nearest Substation
Round Rock Northeast Substation · 138 kV
Substation Distance
< 10 km
Operator
Oncor
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.
No news articles linked yet for this plant.
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No ask pi reports yet for this entity.
ask pi about WAL5480Electric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
0.48 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Commercial
Sector
Commercial Non-CHP
0.045 lb/MWh
CH₄
0.032 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
3.2%
Annual Net Gen
0 GWh
CO₂eq
1675 lb/MWh
Subregion
ERCOT All