Substation-Adjacent Datacenter Sites in Alaska
At a glance
Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
Top substation-adjacent sites in Alaska
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| UNKNOWN158454 | Substation-Adjacent | Anchorage Municipality | 230 kV | 300 MW | 4.3 yrs | 65.0 |
| UNIVERSITY | Substation-Adjacent | Anchorage Municipality | 230 kV | 300 MW | 4.3 yrs | 64.3 |
| PT. MACKENZIE | Substation-Adjacent | Anchorage Municipality | 230 kV | 300 MW | 4.3 yrs | 64.3 |
| RISER158451 | Substation-Adjacent | Anchorage Municipality | 230 kV | 300 MW | 4.3 yrs | 64.1 |
| RISER158537 | Substation-Adjacent | Anchorage Municipality | 230 kV | 300 MW | 4.3 yrs | 63.9 |
| TAP158536 | Substation-Adjacent | Anchorage Municipality | 230 kV | 300 MW | 4.3 yrs | 63.8 |
| UNKNOWN158444 | Substation-Adjacent | Anchorage Municipality | 138 kV | 100 MW | 4.3 yrs | 62.1 |
| UNKNOWN158464 | Substation-Adjacent | Fairbanks North Star Borough | 138 kV | 100 MW | 4.3 yrs | 61.8 |
| UNKNOWN158443 | Substation-Adjacent | Anchorage Municipality | 115 kV | 100 MW | 4.3 yrs | 61.8 |
| UNKNOWN158470 | Substation-Adjacent | Fairbanks North Star Borough | 138 kV | 100 MW | 4.3 yrs | 61.7 |
| EKLUTNA | Substation-Adjacent | Anchorage Municipality | 230 kV | 300 MW | 4.3 yrs | 61.7 |
| TEELAND | Substation-Adjacent | Anchorage Municipality | 230 kV | 300 MW | 4.3 yrs | 61.6 |
| UNKNOWN158485 | Substation-Adjacent | Fairbanks North Star Borough | 138 kV | 100 MW | 4.3 yrs | 61.4 |
| UNKNOWN158578 | Substation-Adjacent | Anchorage Municipality | 115 kV | 100 MW | 4.3 yrs | 61.4 |
| TAP158582 | Substation-Adjacent | Anchorage Municipality | 115 kV | 100 MW | 4.3 yrs | 61.3 |
| UNKNOWN158577 | Substation-Adjacent | Anchorage Municipality | 115 kV | 100 MW | 4.3 yrs | 61.2 |
| UNKNOWN158534 | Substation-Adjacent | Anchorage Municipality | 115 kV | 100 MW | 4.3 yrs | 61.2 |
| TAP158579 | Substation-Adjacent | Anchorage Municipality | 115 kV | 100 MW | 4.3 yrs | 61.1 |
| UNKNOWN158535 | Substation-Adjacent | Anchorage Municipality | 115 kV | 100 MW | 4.3 yrs | 61.1 |
| UNKNOWN158581 | Substation-Adjacent | Anchorage Municipality | 115 kV | 100 MW | 4.3 yrs | 61.1 |
| UNKNOWN158580 | Substation-Adjacent | Anchorage Municipality | 115 kV | 100 MW | 4.3 yrs | 61.0 |
| TAP161430 | Substation-Adjacent | Anchorage Municipality | 138 kV | 100 MW | 4.3 yrs | 60.6 |
| UNKNOWN158445 | Substation-Adjacent | Anchorage Municipality | 138 kV | 100 MW | 4.3 yrs | 60.6 |
| BELUGA | Substation-Adjacent | Anchorage Municipality | 230 kV | 300 MW | 4.3 yrs | 60.5 |
| UNKNOWN158495 | Substation-Adjacent | Fairbanks North Star Borough | 138 kV | 100 MW | 4.3 yrs | 60.5 |
How does Alaska compare with other states for substation-adjacent sites?
With 114 sites, Alaska ranks 45th of the 52 states that have any substation-adjacent candidate sites. Texas leads with 3,635. Nationally, substation-adjacent sites average 57.4/100 DC Readiness, above the 53.0 average across all site types. Across every site type, Alaska averages 50.3, the 46th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 4.2 years.
Where are the highest-scoring substation-adjacent sites in Alaska?
The top 25 range from 65.0 to 60.5 on the 0–100 DC Readiness Score. They are concentrated in Anchorage Municipality (21) and Fairbanks North Star Borough (4).
County pages: Anchorage Municipality · Fairbanks North Star Borough
What power, fiber and flood exposure do these substation-adjacent sites have?
Of the top 25 substation-adjacent sites in Alaska, 25 have a recorded nearest-substation voltage, with a median of 138 kV; for 9 that substation is rated 230 kV or higher. Their counties have a median of 5 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 5 km. The median interconnection-queue wait in their markets is 4.3 years. None of the 5 with a mapped FEMA flood zone sits in a high-risk (A or V) zone.
Frequently asked questions
How many substation-adjacent datacenter sites are in Alaska?
GridCensus catalogs 114 substation-adjacent datacenter candidate sites in Alaska, 0.3% of the national total for this type (45th of 52 states).
What is a substation-adjacent datacenter site?
Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
What is the best substation-adjacent datacenter site in Alaska?
By DC Readiness Score, UNKNOWN158454 in Anchorage Municipality ranks first at 65.0/100, followed by UNIVERSITY in Anchorage Municipality at 64.3.
Which Alaska counties have the best substation-adjacent sites?
The top 25 substation-adjacent sites in Alaska are concentrated in Anchorage Municipality (21) and Fairbanks North Star Borough (4).
How does Alaska score for datacenters overall?
All 817 scored sites in Alaska average 50.3/100 DC Readiness, the 46th-highest of 52 states, against a national average of 53.0.
More on substation-adjacent sites and Alaska
Substation-Adjacent sites in other states
- Substation-Adjacent sites in Texas· 3,635 sites
- Substation-Adjacent sites in California· 1,573 sites
- Substation-Adjacent sites in Florida· 1,539 sites
- Substation-Adjacent sites in Georgia· 1,530 sites
- Substation-Adjacent sites in Oklahoma· 1,344 sites
- Substation-Adjacent sites in Washington· 1,343 sites
- Substation-Adjacent sites in Minnesota· 1,270 sites
- Substation-Adjacent sites in Kentucky· 1,261 sites
Dataset updated . Screening estimates derived from public data sources.
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published November 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Substation-Adjacent datacenter sites in Alaska”, https://gridcensus.com/site-types/substation/alaska (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Substation-Adjacent 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.