Alaska
power plants.
Alaska has 13 operating power plants in the catalog, 1,284 MW in all. The catalog also marks 2 plants as Retired, with 283 MW of capacity. Its operating fleet leans on natural gas, which accounts for 56.8% of operating capacity, with hydro second at 23.3%. The largest operating plant in the catalog is George M Sullivan Generation Plant 2 (255 MW, recorded start year 1979).
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: .
Alaska 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 Alaska
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Newest plants in Alaska
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 Alaska get its electricity?
Across the 13 operating plants in the catalog, capacity is led by natural gas at 56.8%, then hydro at 23.3%. These are installed-capacity shares, not live generation.
What is the largest power plant in Alaska?
The largest operating plant in the catalog for Alaska is George M Sullivan Generation Plant 2, a natural gas facility with 255 MW and a recorded start year of 1979.
How many power plants are in Alaska?
The catalog tracks 13 operating power plants in Alaska, with 1,284 MW in all. It also marks 2 plants as Retired, with 283 MW of capacity.