Substation-Adjacent Datacenter Sites in Oregon
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 Oregon
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| KEELER | Substation-Adjacent | Washington County | 500 kV | 1,000 MW | 3.5 yrs | 70.9 |
| PEARL | Substation-Adjacent | Washington County | 500 kV | 1,000 MW | 3.5 yrs | 70.3 |
| BPA TROUTDALE | Substation-Adjacent | Multnomah County | 500 kV | 1,000 MW | 3.5 yrs | 69.7 |
| OSTRANDER | Substation-Adjacent | Multnomah County | 500 kV | 1,000 MW | 3.5 yrs | 68.7 |
| ALVEY | Substation-Adjacent | Lane County | 500 kV | 1,000 MW | 3.5 yrs | 68.5 |
| LANE | Substation-Adjacent | Lane County | 500 kV | 1,000 MW | 3.5 yrs | 68.1 |
| MERIDIAN | Substation-Adjacent | Jackson County | 500 kV | 1,000 MW | 3.5 yrs | 67.6 |
| MCNARY | Substation-Adjacent | Benton County | 500 kV | 1,000 MW | 3.5 yrs | 67.6 |
| HORIZON | Substation-Adjacent | Washington County | 230 kV | 300 MW | 3.5 yrs | 66.5 |
| SAINT MARYS | Substation-Adjacent | Washington County | 230 kV | 300 MW | 3.5 yrs | 66.3 |
| CALPINE | Substation-Adjacent | Morrow County | 500 kV | 1,000 MW | 3.5 yrs | 66.3 |
| CARVER | Substation-Adjacent | Multnomah County | 230 kV | 300 MW | 3.5 yrs | 66.3 |
| BLUE LAKE | Substation-Adjacent | Multnomah County | 230 kV | 300 MW | 3.5 yrs | 66.2 |
| GRESHAM | Substation-Adjacent | Multnomah County | 230 kV | 300 MW | 3.5 yrs | 66.1 |
| PONDEROSA | Substation-Adjacent | Deschutes County | 500 kV | 1,000 MW | 3.5 yrs | 66.0 |
| SANTIAM | Substation-Adjacent | Marion County | 500 kV | 1,000 MW | 3.5 yrs | 65.9 |
| COYOTE SPRINGS | Substation-Adjacent | Benton County | 500 kV | 1,000 MW | 3.5 yrs | 65.8 |
| CELILO | Substation-Adjacent | Klickitat County | 1000 kV | 1,000 MW | 3.5 yrs | 65.6 |
| UNKNOWN203409 | Substation-Adjacent | Washington County | 230 kV | 300 MW | 3.5 yrs | 65.3 |
| TAP203160 | Substation-Adjacent | Washington County | 230 kV | 300 MW | 3.5 yrs | 65.2 |
| MARION | Substation-Adjacent | Marion County | 500 kV | 1,000 MW | 3.5 yrs | 65.2 |
| RIVERGATE | Substation-Adjacent | Washington County | 230 kV | 300 MW | 3.5 yrs | 65.1 |
| UNKNOWN202116 | Substation-Adjacent | Lane County | 230 kV | 300 MW | 3.5 yrs | 65.1 |
| DEAD HEAD | Substation-Adjacent | Lane County | 230 kV | 300 MW | 3.5 yrs | 65.0 |
| DIXONVILLE 500KV | Substation-Adjacent | Douglas County | 500 kV | 1,000 MW | 3.5 yrs | 64.9 |
How does Oregon compare with other states for substation-adjacent sites?
With 844 sites, Oregon ranks 19th 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, Oregon averages 53.1, the 32nd-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 3.5 years.
Where are the highest-scoring substation-adjacent sites in Oregon?
The top 25 range from 70.9 to 64.9 on the 0–100 DC Readiness Score. They are concentrated in Washington County (7), Multnomah County (5), Lane County (4) and Benton County (2). By grid region, 25 are in WECC.
County pages: Washington County · Multnomah County · Lane County · Benton County
What power, fiber and flood exposure do these substation-adjacent sites have?
Of the top 25 substation-adjacent sites in Oregon, 25 have a recorded nearest-substation voltage, with a median of 500 kV; for 25 that substation is rated 230 kV or higher. Their counties have a median of 13 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 11 km. The median interconnection-queue wait in their markets is 3.5 years. 1 of the 6 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 Oregon?
GridCensus catalogs 844 substation-adjacent datacenter candidate sites in Oregon, 2% of the national total for this type (19th 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 Oregon?
By DC Readiness Score, KEELER in Washington County ranks first at 70.9/100, followed by PEARL in Washington County at 70.3.
Which Oregon counties have the best substation-adjacent sites?
The top 25 substation-adjacent sites in Oregon are concentrated in Washington County (7), Multnomah County (5), Lane County (4) and Benton County (2).
How does Oregon score for datacenters overall?
All 2,430 scored sites in Oregon average 53.1/100 DC Readiness, the 32nd-highest of 52 states, against a national average of 53.0.
More on substation-adjacent sites and Oregon
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 Oregon”, https://gridcensus.com/site-types/substation/oregon (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Substation-Adjacent sites in Oregon 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.