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Datacenter Sites in Pinal County, Arizona

Pinal County has 471 scored datacenter candidate sites averaging 49.5/100 DC Readiness, with a catalogued aggregate of 17,629 MW. FEMA rates local natural-hazard risk as "Relatively Low". The county has a datacenter tax incentive on record.

At a glance

Pinal County, Arizona has 471 scored datacenter candidate sites averaging 49.5/100 DC Readiness, roughly in line with the Arizona average of 48.5. It ranks 3rd of 15 Arizona counties by number of sites and 3rd by average score. The top-scoring site is Copper Crossing Energy and Research Cent at 69.5/100.

471
Candidate sites
49.5/100
Avg DC Readiness
17,629 MW
Catalogued capacity
theoretical aggregate
Relatively Low
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in Pinal County

Site-selection context for Pinal County

Yesproperty_tax_reduction
Datacenter tax incentive
13.27¢/kWh
Commercial electricity
10.78¢/kWh
Industrial electricity
15
Fiber providers
Extremely High
Water stress
$2,148
Land price / acre
3,400
Cooling degree days
1,500
Heating degree days
63°F
Mean annual temp

Incentive detail: Government Property Lease Excise Tax (GPLET) for qualified facilities on government land.

How does Pinal County compare with other counties in Arizona?

By number of scored sites, Pinal County ranks 3rd of the 15 Arizona counties with a county page, holding 12% of the state's 3,816 sites. Its average DC Readiness of 49.5/100 ranks 3rd in the state and is roughly in line with the national average of 53.0. Nationally it has the 18th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 64 score 55 or higher.

What types of datacenter sites are in Pinal County?

Federal Excess sites are the most common (255, 54% of the county's inventory), followed by substation-adjacent (112) and former mine (38). 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 Pinal County?

Industrial electricity averages 10.78¢/kWh and commercial 13.27¢/kWh. FEMA's National Risk Index rates the county "Relatively Low" (22). WRI water stress is extremely high. 15 fiber providers report service in the county. The climate runs 3,400 cooling degree days a year with a mean temperature of 63°F. Land is valued around $2,148 an acre.

By site type

Top datacenter sites in Pinal County

Top datacenter sites in Pinal County
SiteTypeVoltageCapacityQueue waitScore
Copper Crossing Energy and Research CentBrownfield69 kV1,779 MW3.5 yrs69.5
BROWNINGSubstation-Adjacent500 kV1,000 MW3.5 yrs65.7
SAGUAROSubstation-Adjacent500 kV1,000 MW3.5 yrs63.8
ABELSubstation-Adjacent500 kV1,000 MW3.5 yrs63.0
DUKESubstation-Adjacent500 kV1,000 MW3.5 yrs62.3
TORTOLITASubstation-Adjacent500 kV1,000 MW3.5 yrs62.0
PINAL CENTRALSubstation-Adjacent500 kV1,000 MW3.5 yrs61.4
SCHRADERSubstation-Adjacent230 kV300 MW3.5 yrs60.8
SANTANSubstation-Adjacent230 kV300 MW3.5 yrs60.7
EC Pinal Coal AreaGreenfield——3.5 yrs60.7
THUNDERSTONESubstation-Adjacent230 kV300 MW3.5 yrs60.3
DINOSAURSubstation-Adjacent230 kV300 MW3.5 yrs59.9
GOLDFIELDSubstation-Adjacent230 kV300 MW3.5 yrs59.3
EC Pinal Coal AreaGreenfield——3.5 yrs59.2
EC Pinal Coal AreaGreenfield——3.5 yrs58.8
EC Near SaguaroGreenfield——3.5 yrs58.5
EC Pinal Coal AreaGreenfield——3.5 yrs58.4
EC Pinal Coal AreaGreenfield——3.5 yrs58.1
EC Pinal Coal AreaGreenfield——3.5 yrs58.0
EC Pinal Coal AreaGreenfield——3.5 yrs57.8
COOLIDGESubstation-Adjacent230 kV300 MW3.5 yrs57.8
DESERT BASINSubstation-Adjacent230 kV300 MW3.5 yrs57.8
EC Pinal Coal AreaGreenfield——3.5 yrs57.7
CASA GRANDESubstation-Adjacent230 kV300 MW3.5 yrs57.7
RANDOLPHSubstation-Adjacent230 kV300 MW3.5 yrs57.4

Every scored site in Pinal County

All 471 sites, best first.

Pinal County datacenter FAQ

How many datacenter sites are in Pinal County?

471 scored datacenter candidate sites, averaging 49.5/100 DC Readiness. That is the 3rd-most of 15 Arizona counties with five or more sites.

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

Copper Crossing Energy and Research Cent scores 69.5/100 DC Readiness, the highest of the 471 scored sites in Pinal County (a brownfield site).

Does Pinal County offer datacenter tax incentives?

Government Property Lease Excise Tax (GPLET) for qualified facilities on government land.

What is the natural-hazard risk in Pinal County?

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

What are industrial electricity rates in Pinal County?

Average industrial electricity is 10.78¢/kWh and commercial is 13.27¢/kWh in Pinal County.

More in Arizona

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 Pinal County, Arizona”, https://gridcensus.com/datacenter-sites/arizona/pinal-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 Pinal County, Arizona 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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