Skip to content
Gridcensus

Datacenter Sites in Mayes County, Oklahoma

Mayes County has 45 scored datacenter candidate sites averaging 57.5/100 DC Readiness, with a catalogued aggregate of 3,850 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.

At a glance

Mayes County, Oklahoma has 45 scored datacenter candidate sites averaging 57.5/100 DC Readiness, roughly in line with the Oklahoma average of 52.8. It ranks 18th of 76 Oklahoma counties by number of sites and 3rd by average score. The top-scoring site is Substation-Adjacent site · e838cd63 at 68.1/100.

45
Candidate sites
57.5/100
Avg DC Readiness
3,850 MW
Catalogued capacity
theoretical aggregate
Relatively High
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in Mayes County

Site-selection context for Mayes County

Yessales_tax_exemption
Datacenter tax incentive
10.22¢/kWh
Commercial electricity
7.54¢/kWh
Industrial electricity
8
Fiber providers
Low-Medium
Water stress
$3,529
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 Mayes County compare with other counties in Oklahoma?

By number of scored sites, Mayes County ranks 18th of the 76 Oklahoma counties with a county page, holding 1.2% of the state's 3,723 sites. Its average DC Readiness of 57.5/100 ranks 3rd in the state and is roughly in line with the national average of 53.0. Nationally it has the 852nd-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 36 score 55 or higher.

What types of datacenter sites are in Mayes County?

Substation-Adjacent sites are the most common (27, 60% of the county's inventory), followed by greenfield (11) and industrial (5). 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 Mayes County?

Industrial electricity averages 7.54¢/kWh and commercial 10.22¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (42). WRI water stress is low-medium. 8 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 $3,529 an acre.

By site type

Top datacenter sites in Mayes County

Top datacenter sites in Mayes County
SiteTypeVoltageCapacityQueue waitScore
UNKNOWN118392Substation-Adjacent345 kV600 MW4.3 yrs68.1
CHOUTEAUSubstation-Adjacent345 kV600 MW4.3 yrs64.4
EC Coal Mayes CountyGreenfield——4.3 yrs63.4
EC Near GRECGreenfield——4.3 yrs62.6
EC Near GRECGreenfield——4.3 yrs62.0
OZ MayesGreenfield——4.3 yrs61.5
EC Near GRECGreenfield——4.3 yrs60.5
EC Near GRECGreenfield——4.3 yrs60.0
TAP149260Substation-Adjacent161 kV100 MW4.3 yrs59.4
EC Near GRECGreenfield——4.3 yrs59.1
UNKNOWN118393Substation-Adjacent161 kV100 MW4.3 yrs58.9
UNKNOWN118397Substation-Adjacent161 kV100 MW4.3 yrs58.9
EC Coal Mayes CountyGreenfield——4.3 yrs58.8
UNKNOWN118357Substation-Adjacent161 kV100 MW4.3 yrs58.7
EC Coal Mayes CountyGreenfield——4.3 yrs58.6
UNKNOWN119256Substation-Adjacent138 kV100 MW4.3 yrs58.5
UNKNOWN119250Substation-Adjacent138 kV100 MW4.3 yrs58.4
UNKNOWN119690Substation-Adjacent138 kV100 MW4.3 yrs58.3
UNKNOWN149281Substation-Adjacent161 kV100 MW4.3 yrs58.3
UNKNOWN119255Substation-Adjacent138 kV100 MW4.3 yrs58.3
UNKNOWN119011Substation-Adjacent138 kV100 MW4.3 yrs58.2
TAP149274Substation-Adjacent138 kV100 MW4.3 yrs58.2
UNKNOWN119239Substation-Adjacent138 kV100 MW4.3 yrs58.0
UNKNOWN149282Substation-Adjacent161 kV100 MW4.3 yrs58.0
Greenfield (UNKNOWN118392 - UNKNOWN133415)Greenfield345 kV600 MW4.3 yrs57.9

Every scored site in Mayes County

All 45 sites, best first.

Mayes County datacenter FAQ

How many datacenter sites are in Mayes County?

45 scored datacenter candidate sites, averaging 57.5/100 DC Readiness. That is the 18th-most of 76 Oklahoma counties with five or more sites.

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

Substation-Adjacent site · e838cd63 scores 68.1/100 DC Readiness, the highest of the 45 scored sites in Mayes County (a substation-adjacent site).

Does Mayes County offer datacenter tax incentives?

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

What is the natural-hazard risk in Mayes County?

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

What are industrial electricity rates in Mayes County?

Average industrial electricity is 7.54¢/kWh and commercial is 10.22¢/kWh in Mayes 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 Mayes County, Oklahoma”, https://gridcensus.com/datacenter-sites/oklahoma/mayes-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 Mayes 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.

See plansTalk to us