PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/55380
EIA plant 55380
El Dorado · Union · AR
Union Power Station
Operated by Entergy Arkansas LLC
Published location
Where is Union Power Station?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
33.296146, -92.589364
Open the interactive map ↗Map data © OpenStreetMap contributors
Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | 1,020,478 MWh |
| 2 | 99,824 MWh |
| 3 | 715,489 MWh |
| 4 | 519,092 MWh |
| 5 | 969,854 MWh |
| 6 | 1,313,892 MWh |
| 7 | 1,423,428 MWh |
| 8 | 1,230,690 MWh |
| 9 | 784,500 MWh |
| 10 | 912,650 MWh |
| 11 | 999,533 MWh |
| 12 | 0 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| STG1 | Natural Gas Fired Combined Cycle | NG | 255 | OP |
| STG2 | Natural Gas Fired Combined Cycle | NG | 255 | OP |
| STG3 | Natural Gas Fired Combined Cycle | NG | 255 | OP |
| STG4 | Natural Gas Fired Combined Cycle | NG | 255 | OP |
| CTG1 | Natural Gas Fired Combined Cycle | NG | 176 | OP |
| CTG2 | Natural Gas Fired Combined Cycle | NG | 176 | OP |
| CTG3 | Natural Gas Fired Combined Cycle | NG | 176 | OP |
| CTG4 | Natural Gas Fired Combined Cycle | NG | 176 | OP |
| CTG5 | Natural Gas Fired Combined Cycle | NG | 176 | OP |
| CTG6 | Natural Gas Fired Combined Cycle | NG | 176 | OP |
| CTG7 | Natural Gas Fired Combined Cycle | NG | 176 | OP |
| CTG8 | Natural Gas Fired Combined Cycle | NG | 176 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
55380
Sector
Electric Utility
Water source
Ouachita River
Data edition
2024-final