Power plants in Alaska
140 operating power projects with 2,424 MW of nameplate capacity, from EIA-860M for August 2026.
Projects
140
Nameplate capacity
2,424 MW
Counties with a plant
27
Operators
47
Capacity by fuel
Natural gas · 886 MW · 11Other fuels · 675 MW · 87Hydro · 482 MW · 28Coal · 185 MW · 5Battery storage · 132 MW · 4Wind · 57 MW · 4Solar · 8 MW · 1
MW is nameplate from operating generators and batteries. Plant counts use each project's primary fuel, so a coal and gas plant counts once.
Largest power plants in Alaska
Top 50 · All 140 plants| Plant | Primary fuel | MW | County | Operator |
|---|---|---|---|---|
| Southcentral Power Project | Natural gas | 204 | Anchorage | Chugach Electric Assn Inc |
| George M Sullivan Generation Plant 2 | Natural gas | 194 | Anchorage | Chugach Electric Assn Inc |
| North Pole | Oil | 181 | Fairbanks North Star | Golden Valley Elec Assn Inc |
| Eklutna Generation Station | Natural gas | 171 | Anchorage | Matanuska Electric Assn Inc |
| Bradley Lake | Hydro | 126 | Kenai Peninsula | Homer Electric Assn Inc |
| Soldotna | Natural gas and battery storage | 97 | Kenai Peninsula | Homer Electric Assn Inc |
| Healy | Coal | 93 | Denali | Golden Valley Elec Assn Inc |
| Nikiski Combined Cycle | Natural gas | 81 | Kenai Peninsula | Homer Electric Assn Inc |
| Snettisham | Hydro | 78 | Juneau | Alaska Electric Light & Power Co. |
| Bernice Lake | Natural gas | 77 | Kenai Peninsula | Homer Electric Assn Inc |
Alaska power plants by fuel
Newest plants in Alaska
Ordered by the month the first generator began operating.
International Battery Substation (IBSS)Battery storage · 40 MW · Anchorage · October 2024Houston SolarSolar · 6 MW · Matanuska Susitna · September 2023St Marys ICOil · 4.6 MW · Bethel · October 2022McGrathOil · 1.6 MW · Yukon Koyukuk · April 2021Hiilangaay HydroHydro · 5 MW · Prince of Wales Ketchikan · January 2021Slana Generating StationOil · 0.8 MW · Southeast Fairbanks · January 2021
Counties with the most capacity
Largest operators in Alaska
Chugach Electric Assn Inc6 plants · 552 MW
Homer Electric Assn Inc5 plants · 382 MW
Golden Valley Elec Assn Inc5 plants · 375 MW
Matanuska Electric Assn Inc1 plant · 171 MW
Alaska Electric Light & Power Co.6 plants · 148 MW
Grouped by EIA operator name. Parent companies are not merged.
All 140 plants in Alaska, by county
Aleutians East 2 plants
- King Cove Oil · 3.3 MW
- Sand Point Oil · 1.8 MW
Aleutians West 4 plants
- Dutch Harbor Oil · 21.6 MW
- Unisea G 2 Oil · 17.5 MW
- Westward Seafoods Oil · 6.6 MW
- Unalaska Power Module Oil · 1.1 MW
Anchorage 7 plants
- Southcentral Power Project Natural gas · 203.9 MW
- George M Sullivan Generation Plant 2 Natural gas · 193.9 MW
- Eklutna Generation Station Natural gas · 171 MW
- Hank Nikkels Plant 1 Natural gas · 50.9 MW
- International Battery Substation (IBSS) Battery storage · 40 MW
- Fire Island Wind Wind · 18 MW
- JBER Landfill Gas Power Plant Landfill gas · 11.5 MW
Bethel 10 plants
- Bethel Oil · 13.7 MW
- St Marys IC Oil · 4.6 MW
- Hooper Bay Oil · 2.2 MW
- Toksook Bay Oil · 2.1 MW
- Kasigluk Oil · 2 MW
- Chevak Oil · 1.8 MW
- Aniak Oil · 1.7 MW
- Quinhagak Oil · 1.3 MW
- Upper Kalskag Oil · 1.1 MW
- Mountain Village Oil · 0.7 MW
Bristol Bay 1 plant
- Naknek Oil · 16.5 MW
Denali 2 plants
- Healy Coal · 92.8 MW
- Eva Creek Wind Wind · 24.6 MW
Dillingham 3 plants
- Dillingham Oil · 10.5 MW
- Togiak Oil · 2.8 MW
- New Stuyahok Oil · 1.3 MW
Fairbanks North Star 7 plants
- North Pole Oil · 181 MW
- Battery Energy Storage System Battery storage · 40 MW
- Fairbanks Oil · 36.8 MW
- Eielson AFB Central Heat & Power Plant Coal · 30 MW
- Chena Power Plant Coal · 27.5 MW
- FWA Central Heat and Power Plant Coal · 20 MW
- University of Alaska Fairbanks Coal · 17 MW
Haines 1 plant
- Haines Oil · 6.1 MW
Juneau 6 plants
- Snettisham Hydro · 78.2 MW
- Industrial Plant Oil · 41.7 MW
- Lake Dorothy Hydroelectric Project Hydro · 14.3 MW
- Salmon Creek 1 Hydro · 8.5 MW
- Annex Creek Hydro · 4 MW
- Gold Creek Hydro · 1.6 MW
Kenai Peninsula 8 plants
- Bradley Lake Hydro · 126 MW
- Soldotna Natural gas · 96.5 MW
- Nikiski Combined Cycle Natural gas · 80.8 MW
- Bernice Lake Natural gas · 76.7 MW
- Cooper Lake Hydro · 19.4 MW
- Seward (AK) Oil · 15.6 MW
- Tesoro Kenai Cogeneration Plant Natural gas · 8.6 MW
- Seldovia Oil · 2 MW
Ketchikan Gateway 6 plants
- S W Bailey Oil · 25.9 MW
- Swan Lake Hydro · 22.6 MW
- Beaver Falls Hydro · 5.4 MW
- Whitman Hydro · 4.8 MW
- Ketchikan Hydro · 4.2 MW
- Silvis Hydro · 2.1 MW
Kodiak Island 7 plants
- Terror Lake Microgrid Hydro · 33.6 MW
- Kodiak Microgrid Oil · 18.3 MW
- Nymans Plant Microgrid Oil · 10 MW
- Pillar Mountain Wind Project Microgrid Wind · 9 MW
- Swampy Acres Microgrid Oil · 8.4 MW
- ESS Battery Microgrid Battery storage · 3 MW
- Port Lions Microgrid Oil · 0.5 MW
Kusilvak 5 plants
- Emmonak Oil · 1.4 MW
- Kotlik Oil · 1.4 MW
- Scammon Bay Oil · 1.3 MW
- Pilot Station Oil · 1.3 MW
- Marshall Oil · 1.1 MW
Lake and Peninsula 1 plant
- Newhalen Oil · 1.7 MW
Matanuska Susitna 2 plants
- Eklutna Hydro Project Hydro · 44.4 MW
- Houston Solar Solar · 6 MW
Nome 9 plants
- Snake River Oil · 18.4 MW
- Unalakleet Oil · 2 MW
- Stebbins Oil · 2 MW
- Gambell Oil · 1.8 MW
- Savoonga Oil · 1.7 MW
- Shishmaref Oil · 1.5 MW
- Koyuk Oil · 1.1 MW
- Elim Oil · 1.1 MW
- Brevig Mission Oil · 1 MW
North Slope 10 plants
- TNSG North Plant Natural gas · 25.4 MW
- Barrow Natural gas · 17.3 MW
- TNSG South Plant Natural gas · 7.8 MW
- NSB Nuiqsut Utility Oil · 4.4 MW
- NSB Atqasuk Utility Oil · 3.2 MW
- NSB Point Hope Utility Oil · 3.1 MW
- NSB Wainwright Utility Oil · 3 MW
- NSB Anaktuvuk Pass Oil · 2.7 MW
- NSB Kaktovik Utility Oil · 2.6 MW
- NSB Point Lay Utility Oil · 2.4 MW
Northwest Arctic 8 plants
Prince of Wales Ketchikan 10 plants
- Hiilangaay Hydro Hydro · 5 MW
- Black Bear Lake Hydro · 4.5 MW
- Purple Lake Hydro · 3.9 MW
- False Island Oil · 3.8 MW
- Craig (AK) Oil · 2.8 MW
- Klawock Power Generation Station Oil · 2.5 MW
- South Fork Hydro · 2 MW
- Centennial Oil · 1.8 MW
- Chester Lake Hydro · 1.3 MW
- Thorne Bay Plant Oil · 1 MW
Sitka 3 plants
- Jarvis Street Oil · 25.6 MW
- Green Lake Hydro · 18.6 MW
- Blue Lake Hydro Hydro · 15.9 MW
Skagway Hoonah Angoon 7 plants
- Skagway Oil · 4.5 MW
- Goat Lake Hydro Hydro · 4 MW
- Kasidaya Creek Hydro Hydro · 3 MW
- Gustavus Oil · 2.2 MW
- Hoonah Oil · 2 MW
- Pelican Oil · 1.6 MW
- Angoon Oil · 1.5 MW
Southeast Fairbanks 4 plants
- Tok Oil · 3.9 MW
- Delta Wind Farm Wind · 1.9 MW
- Slana Generating Station Oil · 0.8 MW
- Northway Oil · 0.7 MW
Valdez Cordova 9 plants
- Solomon Gulch Hydro · 12 MW
- Glennallen Oil · 9.2 MW
- Valdez Oil · 8.6 MW
- Orca Oil · 7.6 MW
- Allison Creek Hydro Hydro · 6.5 MW
- Power Creek Hydro · 6 MW
- Valdez Cogen Oil · 5.3 MW
- Humpback Creek Hydro · 1.2 MW
- Eyak Service Center BESS Battery storage · 1 MW
Wrangell Petersburg 4 plants
- Tyee Lake Hydroelectric Facility Hydro · 22.6 MW
- Petersburg Oil · 14.7 MW
- Wrangell Oil · 12 MW
- Kake Oil · 3.1 MW
Yakutat 1 plant
- Yakutat Oil · 3.8 MW
Yukon Koyukuk 3 plants
- Gwitchyaa Zhee Oil · 2.8 MW
- Galena Electric Utility Oil · 2.6 MW
- McGrath Oil · 1.6 MW
Questions about power plants in Alaska
How many power plants are in Alaska?
EIA-860M for August 2026 lists 140 operating power projects in Alaska, with 2,424 MW of nameplate capacity including batteries.
What is the largest power plant in Alaska?
Southcentral Power Project in Anchorage, with 203.9 MW of nameplate capacity. The next largest is George M Sullivan Generation Plant 2, with 193.9 MW.
How much of Alaska's capacity is other?
675 MW, about 28% of nameplate capacity. 87 projects have other as their primary fuel.
Source: EIA-860M August 2026, published 2026-09-24. Page updated 2026-10-04. Data sources