Arkansas
power plants.
Arkansas has 44 operating power plants in the catalog, 15,853 MW in all. The catalog also marks 3 plants as Retired, with 495 MW of capacity. Its operating fleet leans on natural gas, which accounts for 41.7% of operating capacity, with coal second at 34.6%. The largest operating plant in the catalog is Union Power Station (2,428 MW, recorded start year 2003).
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Arkansas electricity mix
Operating installed capacity by fuel. Each row gives megawatts and its share of the operating total.
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Largest plants in Arkansas
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Newest plants in Arkansas
Operating plants with the most recent recorded start years. The catalog records years, not full commissioning dates.
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Frequently asked questions
Where does Arkansas get its electricity?
Across the 44 operating plants in the catalog, capacity is led by natural gas at 41.7%, then coal at 34.6%. These are installed-capacity shares, not live generation.
What is the largest power plant in Arkansas?
The largest operating plant in the catalog for Arkansas is Union Power Station, a natural gas facility with 2,428 MW and a recorded start year of 2003.
How many power plants are in Arkansas?
The catalog tracks 44 operating power plants in Arkansas, with 15,853 MW in all. It also marks 3 plants as Retired, with 495 MW of capacity.