Largest power plants in Alaska
The 50 largest power plants in Alaska by nameplate capacity, from EIA-860M for August 2026, with 2025 net generation from EIA-923.
Plants
50
Nameplate capacity
2,168 MW
Net generation, 2025
7.00 TWh
Top 50 by nameplate capacity
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Southcentral Power ProjectAnchorage · Natural gas | 204 | 1,068 | 59.8% |
| 2 | George M Sullivan Generation Plant 2Anchorage · Natural gas | 194 | 1,772 | 58.3% |
| 3 | North PoleFairbanks North Star · Oil | 181 | 611 | 38.5% |
| 4 | Eklutna Generation StationAnchorage · Natural gas | 171 | 311 | 20.8% |
| 5 | Bradley LakeKenai Peninsula · Hydro | 126 | 415 | 37.6% |
| 6 | SoldotnaKenai Peninsula · Natural gas and battery storage | 97 | 20.0 | 4.8% |
| 7 | HealyDenali · Coal | 93 | 443 | 54.5% |
| 8 | Nikiski Combined CycleKenai Peninsula · Natural gas | 81 | 445 | 62.9% |
| 9 | SnettishamJuneau · Hydro | 78 | 285 | 41.6% |
| 10 | Bernice LakeKenai Peninsula · Natural gas | 77 | 0.2 | 0.0% |
| 11 | Hank Nikkels Plant 1Anchorage · Natural gas | 51 | 0.9* | 1.5% |
| 12 | Eklutna Hydro ProjectMatanuska Susitna · Hydro | 44 | 158 | 40.5% |
| 13 | Industrial PlantJuneau · Oil | 42 | −0.1 | – |
| 14 | Battery Energy Storage SystemFairbanks North Star · Battery storage | 40 | −3.7 | – |
| 15 | International Battery Substation (IBSS)Anchorage · Battery storage | 40 | −2.5* | – |
| 16 | FairbanksFairbanks North Star · Oil | 37 | 12.2 | 3.3% |
| 17 | Terror Lake MicrogridKodiak Island · Hydro | 34 | 147 | 50.0% |
| 18 | Eielson AFB Central Heat & Power PlantFairbanks North Star · Coal | 30 | 77.1 | – |
| 19 | Chena Power PlantFairbanks North Star · Coal | 28 | 143 | 59.5% |
| 20 | S W BaileyKetchikan Gateway · Oil | 26 | −0.6 | – |
| 21 | Jarvis StreetSitka · Oil | 26 | −0.9 | – |
| 22 | TNSG North PlantNorth Slope · Natural gas | 25 | 54.5 | 24.2% |
| 23 | Eva Creek WindDenali · Wind | 25 | 45.9 | 21.3% |
| 24 | Swan LakeKetchikan Gateway · Hydro | 23 | 77.6 | 39.2% |
| 25 | Tyee Lake Hydroelectric FacilityWrangell Petersburg · Hydro | 23 | 103 | 52.2% |
| 26 | Dutch HarborAleutians West · Oil | 22 | 37.6 | 19.6% |
| 27 | FWA Central Heat and Power PlantFairbanks North Star · Coal | 20 | 66.7 | 38.1% |
| 28 | Cooper LakeKenai Peninsula · Hydro | 19 | 52.5 | 30.9% |
| 29 | Green LakeSitka · Hydro | 19 | 38.5 | 23.6% |
| 30 | Snake RiverNome · Oil | 18 | 31.9 | 19.8% |
| 31 | Kodiak MicrogridKodiak Island · Oil | 18 | 0.0 | – |
| 32 | Fire Island WindAnchorage · Wind | 18 | 49.8 | 31.6% |
| 33 | Unisea G 2Aleutians West · Oil | 18 | 27.8 | 18.1% |
| 34 | BarrowNorth Slope · Natural gas | 17 | 44.9 | 29.6% |
| 35 | University of Alaska FairbanksFairbanks North Star · Coal | 17 | 67.5 | 19.5% |
| 36 | NaknekBristol Bay · Oil | 17 | 21.9 | 15.2% |
| 37 | Kotzebue HybridNorthwest Arctic · Oil | 16 | 20.3 | 13.8% |
| 38 | Blue Lake HydroSitka · Hydro | 16 | 80.9 | 58.1% |
| 39 | Seward (AK)Kenai Peninsula · Oil | 16 | 0.7 | 0.5% |
| 40 | PetersburgWrangell Petersburg · Oil | 15 | 14.4 | 11.2% |
| 41 | Lake Dorothy Hydroelectric ProjectJuneau · Hydro | 14 | 81.7 | 65.2% |
| 42 | BethelBethel · Oil | 14 | 45.8 | – |
| 43 | WrangellWrangell Petersburg · Oil | 12 | 0.6 | 0.6% |
| 44 | Solomon GulchValdez Cordova · Hydro | 12 | 41.8 | 39.8% |
| 45 | JBER Landfill Gas Power PlantAnchorage · Landfill gas | 12 | 42.6 | 42.3% |
| 46 | DillinghamDillingham · Oil | 11 | 18.3 | 19.9% |
| 47 | Nymans Plant MicrogridKodiak Island · Oil | 10 | 0.0 | – |
| 48 | GlennallenValdez Cordova · Oil | 9.2 | 6.5 | 8.0% |
| 49 | Pillar Mountain Wind Project MicrogridKodiak Island · Wind | 9.0 | 20.5 | 26.0% |
| 50 | ValdezValdez Cordova · Oil | 8.6 | 0.9 | 1.2% |
* 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