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Datacenter Sites in Washington County, Oregon

Washington County has 139 scored datacenter candidate sites averaging 57.8/100 DC Readiness, with a catalogued aggregate of 8,800 MW. FEMA rates local natural-hazard risk as "Relatively Low". The county has a datacenter tax incentive on record.

At a glance

Washington County, Oregon has 139 scored datacenter candidate sites averaging 57.8/100 DC Readiness, roughly in line with the Oregon average of 53.1. It ranks 5th of 36 Oregon counties by number of sites and 2nd by average score. The top-scoring site is KEELER at 70.9/100.

139
Candidate sites
57.8/100
Avg DC Readiness
8,800 MW
Catalogued capacity
theoretical aggregate
Relatively Low
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in Washington County

Site-selection context for Washington County

Yesproperty_tax_exemption
Datacenter tax incentive
7.96¢/kWh
Commercial electricity
5.17¢/kWh
Industrial electricity
13
Fiber providers
Medium-High
Water stress
$22,445
Land price / acre
300
Cooling degree days
4,700
Heating degree days
49°F
Mean annual temp

Incentive detail: Enterprise Zone property tax exemption for 3-15 years; no sales tax in Oregon.

How does Washington County compare with other counties in Oregon?

By number of scored sites, Washington County ranks 5th of the 36 Oregon counties with a county page, holding 5.7% of the state's 2,430 sites. Its average DC Readiness of 57.8/100 ranks 2nd in the state and is roughly in line with the national average of 53.0. Nationally it has the 195th-largest site inventory of 2,964 counties with five or more sites. 2 sites score 70 or higher and 90 score 55 or higher.

What types of datacenter sites are in Washington County?

Substation-Adjacent sites are the most common (58, 42% of the county's inventory), followed by federal excess (38) and industrial (36). 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 Washington County?

Industrial electricity averages 5.17¢/kWh and commercial 7.96¢/kWh. FEMA's National Risk Index rates the county "Relatively Low" (22). WRI water stress is medium-high. 13 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 $22,445 an acre.

By site type

Top datacenter sites in Washington County

Top datacenter sites in Washington County
SiteTypeVoltageCapacityQueue waitScore
KEELERSubstation-Adjacent500 kV1,000 MW3.5 yrs70.9
PEARLSubstation-Adjacent500 kV1,000 MW3.5 yrs70.3
HORIZONSubstation-Adjacent230 kV300 MW3.5 yrs66.5
SAINT MARYSSubstation-Adjacent230 kV300 MW3.5 yrs66.3
UNKNOWN203409Substation-Adjacent230 kV300 MW3.5 yrs65.3
TAP203160Substation-Adjacent230 kV300 MW3.5 yrs65.2
RIVERGATESubstation-Adjacent230 kV300 MW3.5 yrs65.1
TAP207186Substation-Adjacent230 kV300 MW3.5 yrs64.4
TEKTRONIXSubstation-Adjacent138 kV100 MW3.5 yrs62.5
HUBERSubstation-Adjacent138 kV100 MW3.5 yrs62.3
TAP206929Substation-Adjacent138 kV100 MW3.5 yrs62.2
SHUTESubstation-Adjacent115 kV100 MW3.5 yrs62.2
TAP206930Substation-Adjacent138 kV100 MW3.5 yrs62.2
TAP206939Substation-Adjacent115 kV100 MW3.5 yrs62.1
BEAVERTONSubstation-Adjacent115 kV100 MW3.5 yrs62.1
TAP205796Substation-Adjacent115 kV100 MW3.5 yrs62.1
DENNEYSubstation-Adjacent115 kV100 MW3.5 yrs62.1
TAP206934Substation-Adjacent115 kV100 MW3.5 yrs62.1
TAP203407Substation-Adjacent115 kV100 MW3.5 yrs62.1
TAP206924Substation-Adjacent115 kV100 MW3.5 yrs62.0
TAP206925Substation-Adjacent115 kV100 MW3.5 yrs62.0
WEST UNIONSubstation-Adjacent115 kV100 MW3.5 yrs62.0
TAP205806Substation-Adjacent115 kV100 MW3.5 yrs62.0
ORENCOSubstation-Adjacent115 kV100 MW3.5 yrs62.0
DURHAMSubstation-Adjacent115 kV100 MW3.5 yrs62.0

Every scored site in Washington County

All 139 sites, best first.

Washington County datacenter FAQ

How many datacenter sites are in Washington County?

139 scored datacenter candidate sites, averaging 57.8/100 DC Readiness. That is the 5th-most of 36 Oregon counties with five or more sites.

What is the highest-scoring datacenter site in Washington County?

KEELER scores 70.9/100 DC Readiness, the highest of the 139 scored sites in Washington County (a substation-adjacent site).

Does Washington 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 Washington County?

FEMA's National Risk Index rates Washington County as "Relatively Low" (score 22).

What are industrial electricity rates in Washington County?

Average industrial electricity is 5.17¢/kWh and commercial is 7.96¢/kWh in Washington County.

More 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 Washington County, Oregon”, https://gridcensus.com/datacenter-sites/oregon/washington-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 Washington 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.

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