Power plants in Anchorage, Alaska

7 operating power plants in Anchorage, Alaska, with 689 MW of nameplate capacity, largest first. From EIA-860M, August 2026.

Plants

7

Nameplate capacity

689 MW

Net generation, 2025

3.24 TWh

Largest power plants in Anchorage

#PlantMW2025 net generation, GWhGWh, 2025Capacity factorOperator
1Southcentral Power ProjectNatural gas2041,06859.8%Chugach Electric Assn Inc
2George M Sullivan Generation Plant 2Natural gas1941,77258.3%Chugach Electric Assn Inc
3Eklutna Generation StationNatural gas17131120.8%Matanuska Electric Assn Inc
4Hank Nikkels Plant 1Natural gas510.9*1.5%Chugach Electric Assn Inc
5International Battery Substation (IBSS)Battery storage40−2.5*–Chugach Electric Assn Inc
6Fire Island WindWind1849.831.6%Fire Island Wind LLC
7JBER Landfill Gas Power PlantLandfill gas1242.642.3%Doyon Utilities, LLC

* Fewer than 12 months of 2025 reported, so the total is partial.

MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

More power plant lists for Alaska

Other counties in Alaska