- Combustion
- Operating
- 10 · 100 · 1,000 MW
Map
- Combustion
- Operating
WAL456: location. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
WAL456
Power plant · Gas, reciprocating engine
Key facts
Power plant · Gas, reciprocating engineran 3% of 2025 Operating- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 2021
- Net generation, 2025
- 353 MWh
- Grid
- 0.5 kV to AEP Texas Central Company (ERCO)
- Location
- Cameron County, Texas
- Operated by
- Walmart Stores Texas, LLCSourceEIA-860M Preliminary Monthly Electric Generator Inventory
Operations
- Net generation, 2025
- 353
MWh - Fuel burned, 2025
- 3,529
MMBtu - Capacity factor, 2025
- 3.4
% - Heat rate, 2025
- 9,997
Btu/kWh
| Year | Net generation (MWh) | Fuel burned (MMBtu) | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|---|
| 2025 | 353 | 3,529 | 3.4% | 9,997 |
| 2024 | 272 | 3,951 | 2.6% | 14,526 |
| 2023 | 374 | 5,236 | 3.6% | 14,000 |
| 2022 | 313 | 4,374 | 3.0% | 13,974 |
| 2021 (4 of 12 months) | 0 | 0 | — | — |
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.