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Datacenter Sites in McClain County, Oklahoma

McClain County has 18 scored datacenter candidate sites averaging 54.6/100 DC Readiness, with a catalogued aggregate of 1,050 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.

At a glance

McClain County, Oklahoma has 18 scored datacenter candidate sites averaging 54.6/100 DC Readiness, roughly in line with the Oklahoma average of 52.8. It ranks 54th of 76 Oklahoma counties by number of sites and 18th by average score. The top-scoring site is Substation-Adjacent site · f6d6aeb0 at 58.3/100.

18
Candidate sites
54.6/100
Avg DC Readiness
1,050 MW
Catalogued capacity
theoretical aggregate
Relatively High
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 18 in McClain County

Site-selection context for McClain County

Yessales_tax_exemption
Datacenter tax incentive
10.31¢/kWh
Commercial electricity
5.75¢/kWh
Industrial electricity
7
Fiber providers
Low-Medium
Water stress
$3,806
Land price / acre
1,900
Cooling degree days
3,600
Heating degree days
60°F
Mean annual temp

Incentive detail: Sales tax exemption on DC equipment; 5-year ad valorem tax exemption.

How does McClain County compare with other counties in Oklahoma?

By number of scored sites, McClain County ranks 54th of the 76 Oklahoma counties with a county page, holding 0.5% of the state's 3,723 sites. Its average DC Readiness of 54.6/100 ranks 18th 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 7 score 55 or higher.

What types of datacenter sites are in McClain County?

Substation-Adjacent sites are the most common (13, 72% of the county's inventory), followed by industrial (2) and former mine (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 McClain County?

Industrial electricity averages 5.75¢/kWh and commercial 10.31¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (42). WRI water stress is low-medium. 7 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 $3,806 an acre.

By site type

Top datacenter sites in McClain County

Top datacenter sites in McClain County
SiteTypeVoltageCapacityQueue waitScore
UNKNOWN119341Substation-Adjacent138 kV100 MW4.3 yrs58.3
UNKNOWN119340Substation-Adjacent138 kV100 MW4.3 yrs58.2
UNKNOWN119059Substation-Adjacent138 kV100 MW4.3 yrs57.4
UNKNOWN119290Substation-Adjacent138 kV100 MW4.3 yrs56.9
PURCELLSubstation-Adjacent138 kV100 MW4.3 yrs56.8
UNKNOWN119291Substation-Adjacent138 kV100 MW4.3 yrs56.2
UNKNOWN119339Substation-Adjacent69 kV50 MW4.3 yrs55.4
UNKNOWN119338Substation-Adjacent69 kV50 MW4.3 yrs54.2
TAP149179Substation-Adjacent69 kV50 MW4.3 yrs54.0
UNKNOWN118581Substation-Adjacent69 kV50 MW4.3 yrs53.9
TAP149178Substation-Adjacent69 kV50 MW4.3 yrs53.8
UNKNOWN119337Substation-Adjacent69 kV50 MW4.3 yrs53.8
UNKNOWN159824Substation-Adjacent69 kV50 MW4.3 yrs53.7
Newcastle Land AcquisitionIndustrial——4.3 yrs53.2
Mine SiteFormer Mine——4.3 yrs53.0
Mine SiteFormer Mine——4.3 yrs52.9
Greenfield (UNKNOWN119333 - TAP168610)Greenfield138 kV100 MW4.3 yrs50.3
Kelly Mud PitIndustrial——4.3 yrs50.2

Every scored site in McClain County

All 18 sites, best first.

McClain County datacenter FAQ

How many datacenter sites are in McClain County?

18 scored datacenter candidate sites, averaging 54.6/100 DC Readiness. That is the 54th-most of 76 Oklahoma counties with five or more sites.

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

Substation-Adjacent site · f6d6aeb0 scores 58.3/100 DC Readiness, the highest of the 18 scored sites in McClain County (a substation-adjacent site).

Does McClain County offer datacenter tax incentives?

Sales tax exemption on DC equipment; 5-year ad valorem tax exemption.

What is the natural-hazard risk in McClain County?

FEMA's National Risk Index rates McClain County as "Relatively High" (score 42).

What are industrial electricity rates in McClain County?

Average industrial electricity is 5.75¢/kWh and commercial is 10.31¢/kWh in McClain County.

More 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 McClain County, Oklahoma”, https://gridcensus.com/datacenter-sites/oklahoma/mcclain-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 McClain 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.

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