Power plants operated by Entergy Arkansas LLC
Entergy Arkansas LLC operates 11 power plants in the 2025 EIA-860 data, with 9,635 MW of nameplate capacity, the 23rd-largest fleet among the 5,826 operators on file. All of them are in Arkansas. Natural gas is 38% of the capacity; the largest site is Union Power Station. Its oldest working unit dates from 1925, at Remmel. Units added from 2020 to 2025 total 430 MW.
- Natural gas3,695 MW38%
- Coal3,600 MW37%
- Nuclear1,845 MW19%
- Solar430 MW4.5%
- Hydroelectric65 MW0.7%
Capacity by decade it came online
NuclearCoalNatural gasHydroelectricSolar
Above the line: capacity operating in 2025. Below: capacity retired at these plants.
Plants
| Plant | State | Runs on | Capacity | First unit |
|---|---|---|---|---|
| Union Power Station | Arkansas | Natural gas | 2,428 MW | 2003 |
| Arkansas Nuclear One | Arkansas | Nuclear | 1,845 MW | 1974 |
| Independence Steam Electric Station | Arkansas | Coal | 1,800 MW | 1983 |
| White Bluff | Arkansas | Coal | 1,800 MW | 1980 |
| Hot Spring Generating Facility | Arkansas | Natural gas | 715 MW | 2002 |
| Lake Catherine | Arkansas | Natural gas | 552 MW | 1970 |
| West Memphis Solar Station | Arkansas | Solar | 180 MW | 2024 |
| Driver Solar | Arkansas | Solar | 150 MW | 2024 |
| Walnut Bend Solar Station PV | Arkansas | Solar | 100 MW | 2024 |
| Carpenter | Arkansas | Hydroelectric | 56 MW | 1932 |
| Remmel | Arkansas | Hydroelectric | 9 MW | 1925 |