- Combustion
- Operating
- 10 · 100 · 1,000 MW
Map
- Combustion
- Operating
WAL504: location. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
WAL504
Power plant · Gas, reciprocating engine
Key facts
Power plant · Gas, reciprocating engineran 5% of 2025 Operating- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 2022
- Net generation, 2025
- 510 MWh
- Grid
- 0.5 kV to CenterPoint Energy (ERCO)
- Location
- Galveston County, Texas
- Operated by
- Walmart Stores Texas, LLCSourceEIA-860M Preliminary Monthly Electric Generator Inventory
Operations
- Net generation, 2025
- 510
MWh - Fuel burned, 2025
- 5,101
MMBtu - Capacity factor, 2025
- 4.9
% - Heat rate, 2025
- 10,002
Btu/kWh
| Year | Net generation (MWh) | Fuel burned (MMBtu) | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|---|
| 2025 | 510 | 5,101 | 4.9% | 10,002 |
| 2024 | 247 | 4,041 | 2.3% | 16,360 |
| 2023 | 262 | 4,309 | 2.5% | 16,447 |
| 2022 (7 of 12 months) | 6 | 103 | — | 17,167 |
How these are worked out
Net generation and fuel burned are the monthly figures EIA publishes in its bulk electricity file, from the plant's Form 923 reports; a year is the sum of its months. Capacity factor is a full year's net generation over today's nameplate capacity times the hours in that year (8,784 in a leap year), so a plant uprated or partly retired since reads against its current size; heat rate is fuel burned over net generation, for plants that burn fuel. A year with fewer than twelve months stated has no capacity factor, and a value outside the plausible range is left blank rather than shown. By month, the charts apply the same rules to each month's own hours and fuel.