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WAL266 — Power plant · Gas, reciprocating engine · Walmart Stores Texas, LLCQTS 6431 Longhorn Dr. Irving TX — Large load · TX · 9.8 km awayQUALITY INVESTMENT PROPERTIES IRVING — Large load · TX · 9.8 km away2501 Edmonds Ln Lewisville TX Data Center — Large load · TX · 11.5 km awayAREP LAS COLINAS DATA CENTER — Large load · TX · 13.8 km awayLR 1300 (Irving data centre) — Large load · TX · 13.8 km awayFTW DATA CENTER — Large load · TX · 17.8 km awayFTW1 DC1 Expansion (Roanoke data centre) — Large load · TX · 18.3 km awayDFW SPE 2 (Fort Worth data centre) — Large load · TX · 21.8 km awayCORE SCIENTIFIC DATA CENTER SITE 1 AND 2 DENTON TEXAS — Large load · TX · 22.9 km awayDA12 (Dallas data centre) — Large load · TX · 23.6 km awayEXXONMOBIL DALLAS DATA CENTER — Large load · TX · 24.5 km away
  • Combustion
  • Loads
  • In development
  • Under construction
  • Operating
  • Size not stated
  • 10 · 100 · 1,000 MW

WAL266

Power plant · Gas, reciprocating engine

Key facts

Power plant · Gas, reciprocating engineran 4% of 2025 Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
2021
Net generation, 2025
420 MWh
Grid
0.5 kV to Oncor Electric Delivery Company LLC (ERCO)
Location
Tarrant County, Texas
Operated by
Walmart Stores Texas, LLCSourceEIA-860M Preliminary Monthly Electric Generator Inventory

Output

Net generation MWh by year, 2021 to 2025
Fuel burned MMBtu by year, 2021 to 2025
  • Gas

Operations detail

Details

Who’s behind it

No companies named in filings yet.

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Technology
Gas, reciprocating engine source: “Natural Gas Internal Combustion Engine”
Age
5 years since 2021
Unused energy
10 GWh 2025Unused energyA lead, not a guarantee: MW × hours × (1 − capacity factor) for the latest year (EIA-923), gas, coal and oil plants only. Air-permit run-hour caps, heat rate (cost to run) and capacity-market or reliability obligations can rule it out.
Heat rate
9,995 Btu/kWh 2025
All 6 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
AttributeValue
Grid
Nerc region
TRE
Report year
2025
Grid voltage kv
0.500
Transmission owner
Oncor Electric Delivery Company LLC
Balancing authority code
ERCO
Balancing authority name
Electric Reliability Council of Texas, Inc.
Fuel burned (MMBtu), 20254,198
Capacity factor, 20250.040
Heat rate (Btu/kWh), 20259,995.2
Net generation (MWh), 2025420
Balancing authority codeERCO

Timeline

  • In service · EIA-860M

Sources

3 sources

View at source

Around this plant

Nearby

within 25 km
ProjectKindAwayMW
QTS 6431 Longhorn Dr. Irving TX Built Large load 9.8 km
QUALITY INVESTMENT PROPERTIES IRVING Built Large load 9.8 km
2501 Edmonds Ln Lewisville TX Data Center Filed Large load 11.5 km
AREP LAS COLINAS DATA CENTER Under construction Large load 13.8 km
LR 1300 (Irving data centre) Filed Large load 13.8 km
FTW DATA CENTER Under construction Large load 17.8 km
FTW1 DC1 Expansion (Roanoke data centre) Filed Large load 18.3 km
DFW SPE 2 (Fort Worth data centre) Filed Large load 21.8 km
CORE SCIENTIFIC DATA CENTER SITE 1 AND 2 DENTON TEXAS Built Large load 22.9 km
DA12 (Dallas data centre) Filed Large load 23.6 km
EXXONMOBIL DALLAS DATA CENTER Built Large load 24.5 km

Sources FAA OE/AAA · EPA ICIS-Air · EPA ICIS-NPDES