Brownfield & Retired Power Plant Sites in Alaska
31 catalogued brownfield and retired-generation sites in Alaska, listed by former capacity. Each carries an existing utility-scale grid interconnection that a new datacenter load may be able to re-use.
At a glance
What kinds of former sites are in Alaska?
By former use, the list includes 18 oil, 8 natural gas, 3 coal, 2 hydroelectric. Recorded retirement dates run from January 2001 to December 2024, with 17 retirements in 2015 or later. 16 of 20 sites with a measured distance sit within 2 miles of a transmission substation.
How does Alaska compare with other states?
Alaska ranks 24th of 50 states and DC by number of brownfield and retired-generation sites, out of 2,085 nationally. By recorded capacity (382 MW) it ranks 44th, against 289,280 MW across all states. The state also has 817 scored datacenter candidate sites, 20 of them classed as brownfield sites, averaging 50.3 on the 0–100 DC Readiness scale.
Where in Alaska are these sites?
- Kenai Peninsula County · 6
- Anchorage County · 3
- Fairbanks North Star County · 3
- Valdez Cordova County · 2
- Nome County · 2
- Wrangell Petersburg County · 2
- Prince of Wales Ketchikan County · 2
- Kodiak Island County · 1
- Sitka County · 1
- NORTHWEST ARCTIC County · 1
- North Slope County · 1
- Southeast Fairbanks County · 1
- Haines County · 1
- Yakutat County · 1
- Bethel County · 1
- Aleutians West County · 1
- Kusilvak County · 1
- Dillingham County · 1
All brownfield and retired plant sites in Alaska
| Site | Former use | Capacity | Retired | County |
|---|---|---|---|---|
| George M Sullivan Generation Plant 2 | gas | 71 MW | 2016-12-01 | Anchorage |
| Beluga | gas | 62 MW | 2015-04-01 | Kenai Peninsula |
| Soldotna | gas | 50 MW | — | Kenai Peninsula |
| International | gas | 46 MW | 2023-05-01 | Anchorage |
| Hank Nikkels Plant 1 | gas | 44 MW | 2016-12-01 | Anchorage |
| Kodiak Microgrid | oil | 19 MW | 2004-04-01 | Kodiak Island |
| Nutrien Kenai Nitrogen Operations | gas | 9 MW | 2001-12-01 | Kenai Peninsula |
| Tesoro Kenai Cogeneration Plant | gas | 8 MW | — | Kenai Peninsula |
| Blue Lake Hydro | hydro | 7 MW | 2014-08-01 | Sitka |
| Orca | oil | 7 MW | 2024-06-01 | Valdez Cordova |
| Snake River | oil | 7 MW | 2011-03-01 | Nome |
| Wrangell | oil | 5 MW | 2001-01-01 | Wrangell Petersburg |
| Eielson AFB Central Heat & Power Plant | coal | 5 MW | 2022-05-01 | Fairbanks North Star |
| Kotzebue Hybrid | oil | 4 MW | 2013-08-01 | NORTHWEST ARCTIC |
| Chena Power Plant | coal | 4 MW | 2009-08-01 | Fairbanks North Star |
| Craig (AK) | oil | 3 MW | 2023-12-01 | Prince of Wales Ketchikan |
| Centennial | oil | 3 MW | 2022-12-01 | Prince of Wales Ketchikan |
| Barrow | gas | 3 MW | 2022-11-01 | North Slope |
| Fort Greely Power Plant | oil | 3 MW | 2009-08-01 | Southeast Fairbanks |
| Seward (AK) | oil | 3 MW | 2015-07-01 | Kenai Peninsula |
| Valdez | oil | 3 MW | 2018-01-01 | Valdez Cordova |
| Utility Plants Section | coal | 3 MW | 2009-12-01 | Fairbanks North Star |
| Haines | oil | 2 MW | 2021-03-01 | Haines |
| Yakutat | oil | 2 MW | 2014-08-01 | Yakutat |
| Bethel | oil | 2 MW | 2024-05-01 | Bethel |
| Petersburg | hydro | 2 MW | 2023-06-01 | Wrangell Petersburg |
| Dutch Harbor | oil | 1 MW | 2011-07-01 | Aleutians West |
| Emmonak | oil | 1 MW | 2024-12-01 | Kusilvak |
| Seldovia | oil | 1 MW | 2017-09-01 | Kenai Peninsula |
| Dillingham | oil | 1 MW | 2007-10-01 | Dillingham |
| Elim | oil | 1 MW | 2019-06-01 | Nome |
Frequently asked questions
How many retired power plants are in Alaska?
GridCensus lists 31 retired power plant sites in Alaska from EIA-860 retirement records. 29 have a recorded retirement date, 17 of them in 2015 or later.
What is the largest retired power plant or brownfield site in Alaska?
George M Sullivan Generation Plant 2 in Anchorage is the largest by recorded capacity, at 71.1 MW. It is followed by Beluga (62 MW) and Soldotna (50 MW).
Which power plant in Alaska retired most recently?
Emmonak has the latest recorded retirement date in the state, December 2024, with 1.3 MW of capacity.
Which county in Alaska has the most brownfield and retired plant sites?
Kenai Peninsula County has the most, with 6, followed by Anchorage County with 3.
Looking for a specific record? The directory lists every brownfield site, A to Z.
More on Alaska, and states with similar counts
- Datacenter candidate sites in Alaska· 817 sites
- Electric substations in Alaska· 23 named
- Brownfield candidate sites nationwide
- Brownfield sites by state
- Brownfield sites in Colorado· 33 sites
- Brownfield sites in Maryland· 31 sites
- Brownfield sites in Virginia· 34 sites
- Brownfield sites in Vermont· 27 sites
About this data
Source: EIA-860 retired generating units and EPA RE-Powering America's Land contaminated-site records, as published March 6, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Brownfield and retired power plant sites in Alaska”, https://gridcensus.com/brownfield-sites/alaska (data as of March 6, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for brownfield sites in Alaska is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.