Datacenter Sites in Tillman County, Oklahoma
Tillman County has 16 scored datacenter candidate sites averaging 53.9/100 DC Readiness, with a catalogued aggregate of 550 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.
At a glance
Tillman County, Oklahoma has 16 scored datacenter candidate sites averaging 53.9/100 DC Readiness, roughly in line with the Oklahoma average of 52.8. It ranks 58th of 76 Oklahoma counties by number of sites and 30th by average score. The top-scoring site is EC Coal Tillman County at 58.5/100.
Site-selection context for Tillman County
Incentive detail: Sales tax exemption on DC equipment; 5-year ad valorem tax exemption.
How does Tillman County compare with other counties in Oklahoma?
By number of scored sites, Tillman County ranks 58th of the 76 Oklahoma counties with a county page, holding 0.4% of the state's 3,723 sites. Its average DC Readiness of 53.9/100 ranks 30th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1960th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 5 score 55 or higher.
What types of datacenter sites are in Tillman County?
Substation-Adjacent sites are the most common (9, 56% of the county's inventory), followed by industrial (5) and greenfield (2). 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 Tillman County?
Industrial electricity averages 6.07¢/kWh and commercial 9.27¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (42). WRI water stress is low-medium. 2 fiber providers report service in the county. The climate runs 1,900 cooling degree days a year with a mean temperature of 60°F. Land is valued around $1,639 an acre.
By site type
Top datacenter sites in Tillman County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| EC Coal Tillman County | Greenfield | — | — | 4.3 yrs | 58.5 |
| OZ Tillman | Greenfield | — | — | 4.3 yrs | 57.7 |
| UNKNOWN173354 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 56.9 |
| UNKNOWN118792 | Substation-Adjacent | 138 kV | 100 MW | 4.3 yrs | 56.3 |
| UNKNOWN303305 | Substation-Adjacent | 69 kV | 50 MW | 3.5 yrs | 56.2 |
| TAP149747 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 54.1 |
| UNKNOWN118791 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 54.1 |
| UNKNOWN118796 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 54.0 |
| TAP168647 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 53.9 |
| UNKNOWN118794 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 53.9 |
| TAP149603 | Substation-Adjacent | 69 kV | 50 MW | 4.3 yrs | 53.8 |
| Former Parton Garage | Industrial | — | — | 4.3 yrs | 51.0 |
| Bell Oil And Gas Site | Industrial | — | — | 4.3 yrs | 50.9 |
| Lakeview Apartments | Industrial | — | — | 4.3 yrs | 50.2 |
| City Of Headrick | Industrial | — | — | 4.3 yrs | 50.2 |
| Abandoned Wastewater Treatment Plant | Industrial | — | — | 4.3 yrs | 50.1 |
Every scored site in Tillman County
All 16 sites, best first.
- EC Coal Tillman County · 58.5
- OZ Tillman · 57.7
- Substation-Adjacent site · 56344d2d · 56.9
- Substation-Adjacent site · c8090822 · 56.3
- Substation-Adjacent site · 5171d2df · 56.2
- Substation-Adjacent site · e1c5d308 · 54.1
- Substation-Adjacent site · 824f6008 · 54.1
- Substation-Adjacent site · 97f02d6c · 54.0
- Substation-Adjacent site · bc3fff05 · 53.9
- Substation-Adjacent site · 18142988 · 53.9
- Substation-Adjacent site · e1e0295e · 53.8
- Former Parton Garage · 51.0
- Bell Oil And Gas Site · 50.9
- Lakeview Apartments · 50.2
- City Of Headrick · 50.2
- Abandoned Wastewater Treatment Plant · 50.1
Tillman County datacenter FAQ
How many datacenter sites are in Tillman County?
16 scored datacenter candidate sites, averaging 53.9/100 DC Readiness. That is the 58th-most of 76 Oklahoma counties with five or more sites.
What is the highest-scoring datacenter site in Tillman County?
EC Coal Tillman County scores 58.5/100 DC Readiness, the highest of the 16 scored sites in Tillman County (a greenfield site).
Does Tillman County offer datacenter tax incentives?
Sales tax exemption on DC equipment; 5-year ad valorem tax exemption.
What is the natural-hazard risk in Tillman County?
FEMA's National Risk Index rates Tillman County as "Relatively High" (score 42).
What are industrial electricity rates in Tillman County?
Average industrial electricity is 6.07¢/kWh and commercial is 9.27¢/kWh in Tillman County.
More in Oklahoma
- All datacenter sites in Oklahoma· 3,723 sites
- Operating datacenters in Oklahoma
- Electric substations in Oklahoma
- Oklahoma County· 375 sites · avg 55.7
- Jackson County· 230 sites · avg 49.4
- Tulsa County· 213 sites · avg 57.9
- Cleveland County· 195 sites · avg 52.6
- Kiowa County· 171 sites · avg 48.9
- Atoka County· 130 sites · avg 48.1
- Substation-Adjacent sites in Oklahoma
- Industrial sites in Oklahoma
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 Tillman County, Oklahoma”, https://gridcensus.com/datacenter-sites/oklahoma/tillman-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 Tillman County, Oklahoma 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.