Power plant · Arkansas, United States
Union Power Station
Union Power Station is a power plant in Arkansas, United States, with 2,428 MW of capacity, owned by Entergy Louisiana LLC (50%), Entergy New Orleans, LLC (25%) and Entergy Arkansas LLC (25%).
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Location | Arkansas | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Status | Operating | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 2003 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | Entergy Louisiana LLC (50%) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | Entergy New Orleans, LLC (25%) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | Entergy Arkansas LLC (25%) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | Entergy Arkansas LLC | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 2,428 MW | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Natural Gas Fired Combined Cycle | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 33.2961, -92.5894 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
Know more about this power plant, or want an introduction to its owner? Ask us.
How it compares
Union Power Station is the largest of 12 power plants in Arkansas and the 41st-largest of 800 in the United States by capacity; its 2,428 MW is 0.29% of the 839,036 MW we hold for the United States. Ranks and totals cover the power plants in our data that report their capacity, not every one in existence. Power plants planned, permitted or under construction are ranked apart.
| Within | Rank | Total | Share |
|---|---|---|---|
| Arkansas | 1st of 12 | 13,052 MW | 19% |
| United States | 41st of 800 | 839,036 MW | 0.29% |
| All power plants in our data | 42nd of 4,829 | 1,037,268 MW | 0.23% |
Owners, operator and place
More from Entergy Louisiana LLC
- Nine Mile Point2,440 MW
- Pointe Coupee Power Station2,341 MW · planned
- Big Cajun 21,903 MW
- Franklin Farms 1&21,561 MW · planned
- Richland Parish Power Station 1&21,561 MW · planned
- R S Nelson1,434 MW
- Waterford 31,200 MW
- River Bend1,036 MW
Other power plants in Arkansas
- Arkansas Nuclear One1,845 MW
- Independence Steam Electric Station1,800 MW
- White Bluff1,800 MW
- Magnet Cove746 MW
- Plum Point Energy Station720 MW
- Hot Spring Generating Facility715 MW
- Dell Power Station679 MW
- John W Turk Jr Power Plant609 MW
Data on this page
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.