Datacenter Sites in Washington County, Missouri
Washington County has 18 scored datacenter candidate sites averaging 51.6/100 DC Readiness, with a catalogued aggregate of 700 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.
At a glance
Washington County, Missouri has 18 scored datacenter candidate sites averaging 51.6/100 DC Readiness, roughly in line with the Missouri average of 55.7. It ranks 51st of 110 Missouri counties by number of sites and 100th by average score. The top-scoring site is Substation-Adjacent site · b97d920a at 56.2/100.
Site-selection context for Washington County
Incentive detail: Qualified data center sales tax exemption (2019 law); state income tax credits.
How does Washington County compare with other counties in Missouri?
By number of scored sites, Washington County ranks 51st of the 110 Missouri counties with a county page, holding 0.5% of the state's 3,413 sites. Its average DC Readiness of 51.6/100 ranks 100th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1835th-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 Washington County?
Former Mine sites are the most common (6, 33% of the county's inventory), followed by substation-adjacent (6) and greenfield (3). 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 7.26¢/kWh and commercial 11.05¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (38). WRI water stress is low. 4 fiber providers report service in the county. The climate runs 1,500 cooling degree days a year with a mean temperature of 56°F. Land is valued around $2,926 an acre.
By site type
Top datacenter sites in Washington County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN117870 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 56.2 |
| UNKNOWN121833 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 55.7 |
| TAP139471 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 55.4 |
| UNKNOWN117949 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 55.0 |
| UNKNOWN117742 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 54.6 |
| OZ Washington | Greenfield | — | — | 4.3 yrs | 54.6 |
| TAP153229 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 54.3 |
| OZ Washington | Greenfield | — | — | 4.3 yrs | 53.8 |
| IDA Mineral Point Referral Site (aka Double D) | Industrial | — | — | 4.3 yrs | 49.5 |
| IDA North Park (aka L. Pederson Site) | Industrial | — | — | 4.3 yrs | 49.4 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 49.3 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 49.3 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 49.2 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 48.9 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 48.9 |
| Union Corporate Lot 13-2 | Industrial | — | — | 4.3 yrs | 48.8 |
| Mine Site | Former Mine | — | — | 4.3 yrs | 48.3 |
| Greenfield (UNKNOWN117741 - TAP139490) | Greenfield | 138 kV | 100 MW | 4.3 yrs | 47.9 |
Every scored site in Washington County
All 18 sites, best first.
- Substation-Adjacent site · b97d920a · 56.2
- Substation-Adjacent site · a864d1ac · 55.7
- Substation-Adjacent site · bd4ceb1c · 55.4
- Substation-Adjacent site · 0b6ae0dd · 55.0
- Substation-Adjacent site · 26774618 · 54.6
- OZ Washington · 22dfee48 · 54.6
- Substation-Adjacent site · ef9fc680 · 54.3
- OZ Washington · 630bbcdf · 53.8
- IDA Mineral Point Referral Site (aka Double D) · 49.5
- IDA North Park (aka L. Pederson Site) · 49.4
- Mine Site · 6ef6e4e4 · 49.3
- Mine Site · a1572a76 · 49.3
- Mine Site · 8846b3c5 · 49.2
- Mine Site · a8fa0c83 · 48.9
- Mine Site · 45a18040 · 48.9
- Union Corporate Lot 13-2 · 48.8
- Mine Site · 027cc46f · 48.3
- Greenfield (UNKNOWN117741 - TAP139490) · 47.9
Washington County datacenter FAQ
How many datacenter sites are in Washington County?
18 scored datacenter candidate sites, averaging 51.6/100 DC Readiness. That is the 51st-most of 110 Missouri counties with five or more sites.
What is the highest-scoring datacenter site in Washington County?
Substation-Adjacent site · b97d920a scores 56.2/100 DC Readiness, the highest of the 18 scored sites in Washington County (a substation-adjacent site).
Does Washington County offer datacenter tax incentives?
Qualified data center sales tax exemption (2019 law); state income tax credits.
What is the natural-hazard risk in Washington County?
FEMA's National Risk Index rates Washington County as "Relatively High" (score 38).
What are industrial electricity rates in Washington County?
Average industrial electricity is 7.26¢/kWh and commercial is 11.05¢/kWh in Washington County.
More in Missouri
- All datacenter sites in Missouri· 3,413 sites
- Operating datacenters in Missouri
- Electric substations in Missouri
- Jackson County· 422 sites · avg 58.5
- St. Louis County· 374 sites · avg 56.2
- St. Louis County· 363 sites · avg 55.7
- Greene County· 273 sites · avg 57.8
- Henry· 60 sites · avg 54.6
- Jasper County· 50 sites · avg 55.4
- Former Mine sites in Missouri
- Substation-Adjacent sites in Missouri
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 13, 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, Missouri”, https://gridcensus.com/datacenter-sites/missouri/washington-county (data as of November 13, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for Washington County, Missouri 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.