Datacenter Sites in Union County, Oregon
Union County has 32 scored datacenter candidate sites averaging 50.9/100 DC Readiness, with a catalogued aggregate of 1,000 MW. FEMA rates local natural-hazard risk as "Relatively Low". The county has a datacenter tax incentive on record.
At a glance
Union County, Oregon has 32 scored datacenter candidate sites averaging 50.9/100 DC Readiness, roughly in line with the Oregon average of 53.1. It ranks 24th of 36 Oregon counties by number of sites and 27th by average score. The top-scoring site is LA GRANDE at 59.5/100.
Site-selection context for Union County
Incentive detail: Enterprise Zone property tax exemption for 3-15 years; no sales tax in Oregon.
How does Union County compare with other counties in Oregon?
By number of scored sites, Union County ranks 24th of the 36 Oregon counties with a county page, holding 1.3% of the state's 2,430 sites. Its average DC Readiness of 50.9/100 ranks 27th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1196th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 4 score 55 or higher.
What types of datacenter sites are in Union County?
Federal Excess sites are the most common (11, 34% of the county's inventory), followed by industrial (11) and substation-adjacent (8). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.
What are power cost, hazard, water and fiber conditions in Union County?
Industrial electricity averages 6.54¢/kWh and commercial 7.35¢/kWh. FEMA's National Risk Index rates the county "Relatively Low" (22). WRI water stress is medium-high. 9 fiber providers report service in the county. The climate runs 300 cooling degree days a year with a mean temperature of 49°F. Land is valued around $2,830 an acre.
By site type
Top datacenter sites in Union County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| LA GRANDE | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 59.5 |
| UNKNOWN202147 | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 59.5 |
| OZ Union | Greenfield | — | — | 3.5 yrs | 57.5 |
| UNKNOWN205322 | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 55.1 |
| DEAD HEAD | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 54.9 |
| TAP205324 | Substation-Adjacent | 69 kV | 50 MW | 3.5 yrs | 53.1 |
| COVE AVENUE | Substation-Adjacent | 69 kV | 50 MW | 3.5 yrs | 53.1 |
| TAP205328 | Substation-Adjacent | 69 kV | 50 MW | 3.5 yrs | 53.0 |
| CATHERINE CREEK | Substation-Adjacent | 69 kV | 50 MW | 3.5 yrs | 53.0 |
| UMATILLA PROJECT | Federal Excess | — | — | 3.5 yrs | 50.1 |
| BAKER PROJECT, LOWER DIVISION | Federal Excess | — | — | 3.5 yrs | 49.2 |
| UMATILLA PROJECT | Federal Excess | — | — | 3.5 yrs | 49.2 |
| Oregon Log & Chip Fiber Mill - Parcel 1 | Industrial | — | — | 3.5 yrs | 49.2 |
| Elgin Industrial Park | Industrial | — | — | 3.5 yrs | 49.2 |
| Odd Fellows & State Theater | Industrial | — | — | 3.5 yrs | 49.2 |
| Liberty Theater | Industrial | — | — | 3.5 yrs | 49.2 |
| Eastern Oregon Fire Museum | Industrial | — | — | 3.5 yrs | 49.2 |
| Oregon Log & Chip Fiber Mill - Parcel 2 | Industrial | — | — | 3.5 yrs | 49.2 |
| Brickyards Lane | Industrial | — | — | 3.5 yrs | 49.2 |
| Airport Hanger - Union County Airport | Industrial | — | — | 3.5 yrs | 49.1 |
| BAKER PROJECT, LOWER DIVISION | Federal Excess | — | — | 3.5 yrs | 49.1 |
| Union Forest Products | Industrial | — | — | 3.5 yrs | 49.0 |
| BAKER PROJECT, LOWER DIVISION | Federal Excess | — | — | 3.5 yrs | 49.0 |
| La Grande Technology Park | Industrial | — | — | 3.5 yrs | 49.0 |
| BAKER PROJECT, LOWER DIVISION | Federal Excess | — | — | 3.5 yrs | 49.0 |
Every scored site in Union County
All 32 sites, best first.
- LA GRANDE · 59.5
- Substation-Adjacent site · be5ceedb · 59.5
- OZ Union · 57.5
- Substation-Adjacent site · 239ef672 · 55.1
- DEAD HEAD · 54.9
- Substation-Adjacent site · 53e0b2b9 · 53.1
- COVE AVENUE · 53.1
- Substation-Adjacent site · 89c5796c · 53.0
- CATHERINE CREEK · 53.0
- UMATILLA PROJECT · afda979a · 50.1
- BAKER PROJECT, LOWER DIVISION · a5651c06 · 49.2
- UMATILLA PROJECT · f2afac20 · 49.2
- Oregon Log & Chip Fiber Mill - Parcel 1 · 49.2
- Elgin Industrial Park · 49.2
- Odd Fellows & State Theater · 49.2
- Liberty Theater · 49.2
- Eastern Oregon Fire Museum · 49.2
- Oregon Log & Chip Fiber Mill - Parcel 2 · 49.2
- Brickyards Lane · 49.2
- Airport Hanger - Union County Airport · 49.1
- BAKER PROJECT, LOWER DIVISION · 73bd6834 · 49.1
- Union Forest Products · 49.0
- BAKER PROJECT, LOWER DIVISION · 653f9908 · 49.0
- La Grande Technology Park · 49.0
- BAKER PROJECT, LOWER DIVISION · dddd7834 · 49.0
- Union Bus Barn (former) · 49.0
- Mine Site · d2623b7b · 49.0
- UMATILLA PROJECT · 3f397f93 · 48.9
- BAKER PROJECT, LOWER DIVISION · dab20bbb · 48.9
- WALLOWA WHITMAN NF · 025c5fb0 · 48.8
- LOOKINGGLASS FISH HATCHERY · 542fbf8b · 48.5
- BAKER PROJECT, LOWER DIVISION · 2e8b0090 · 48.4
Union County datacenter FAQ
How many datacenter sites are in Union County?
32 scored datacenter candidate sites, averaging 50.9/100 DC Readiness. That is the 24th-most of 36 Oregon counties with five or more sites.
What is the highest-scoring datacenter site in Union County?
LA GRANDE scores 59.5/100 DC Readiness, the highest of the 32 scored sites in Union County (a substation-adjacent site).
Does Union County offer datacenter tax incentives?
Enterprise Zone property tax exemption for 3-15 years; no sales tax in Oregon.
What is the natural-hazard risk in Union County?
FEMA's National Risk Index rates Union County as "Relatively Low" (score 22).
What are industrial electricity rates in Union County?
Average industrial electricity is 6.54¢/kWh and commercial is 7.35¢/kWh in Union County.
More in Oregon
- All datacenter sites in Oregon· 2,430 sites
- Operating datacenters in Oregon
- Electric substations in Oregon
- Klamath County· 266 sites · avg 49.3
- Multnomah County· 234 sites · avg 58.5
- Jackson County· 159 sites · avg 54.0
- Malheur County· 152 sites · avg 47.7
- Washington County· 139 sites · avg 57.8
- Lane County· 132 sites · avg 57.1
- Federal Excess sites in Oregon
- Industrial sites in Oregon
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, “Datacenter candidate sites in Union County, Oregon”, https://gridcensus.com/datacenter-sites/oregon/union-county (data as of November 12, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for Union County, 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.