Datacenter Sites in Graham County, Arizona
Graham County has 20 scored datacenter candidate sites averaging 47.8/100 DC Readiness, with a catalogued aggregate of 1,850 MW. FEMA rates local natural-hazard risk as "Relatively Low". The county has a datacenter tax incentive on record.
At a glance
Graham County, Arizona has 20 scored datacenter candidate sites averaging 47.8/100 DC Readiness, roughly in line with the Arizona average of 48.5. It ranks 14th of 15 Arizona counties by number of sites and 5th by average score. The top-scoring site is DOS CONDADOS at 55.5/100.
Site-selection context for Graham County
Incentive detail: Government Property Lease Excise Tax (GPLET) for qualified facilities on government land.
How does Graham County compare with other counties in Arizona?
By number of scored sites, Graham County ranks 14th of the 15 Arizona counties with a county page, holding 0.5% of the state's 3,816 sites. Its average DC Readiness of 47.8/100 ranks 5th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1729th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 2 score 55 or higher.
What types of datacenter sites are in Graham County?
Greenfield sites are the most common (6, 30% of the county's inventory), followed by federal excess (5) and former mine (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 Graham County?
Industrial electricity averages 10.78¢/kWh and commercial 11.44¢/kWh. FEMA's National Risk Index rates the county "Relatively Low" (22). WRI water stress is extremely high. 5 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 $736 an acre.
By site type
Top datacenter sites in Graham County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| DOS CONDADOS | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 55.5 |
| HACKBERRY | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 55.2 |
| EC FFE Graham County | Greenfield | — | — | 3.5 yrs | 53.7 |
| OZ Graham | Greenfield | — | — | 3.5 yrs | 50.4 |
| Greenfield (TAP306867 - None) | Greenfield | 230 kV | 300 MW | 3.5 yrs | 49.5 |
| UNKNOWN300824 | Substation-Adjacent | 69 kV | 50 MW | 3.5 yrs | 49.5 |
| Greenfield (TAP306867 - None) | Greenfield | 230 kV | 300 MW | 3.5 yrs | 49.2 |
| Greenfield (TAP306867 - None) | Greenfield | 230 kV | 300 MW | 3.5 yrs | 49.0 |
| Greenfield (DOS CONDADOS - TAP306867) | Greenfield | 230 kV | 300 MW | 3.5 yrs | 48.9 |
| SAFFORD FCI | Federal Excess | — | — | 3.5 yrs | 46.0 |
| Mine Site | Former Mine | — | — | 3.5 yrs | 45.4 |
| Central Arizona Project | Federal Excess | — | — | 3.5 yrs | 45.3 |
| Mine Site | Former Mine | — | — | 3.5 yrs | 45.2 |
| Old Country Club | Industrial | — | — | 3.5 yrs | 45.1 |
| Mine Site | Former Mine | — | — | 3.5 yrs | 45.0 |
| Mine Site | Former Mine | — | — | 3.5 yrs | 45.0 |
| Central Arizona Project | Federal Excess | — | — | 3.5 yrs | 44.7 |
| Mine Site | Former Mine | — | — | 3.5 yrs | 44.5 |
| Colorado River Front Work & Levee System | Federal Excess | — | — | 3.5 yrs | 44.4 |
| Colorado River Front Work & Levee System | Federal Excess | — | — | 3.5 yrs | 44.3 |
Every scored site in Graham County
All 20 sites, best first.
- DOS CONDADOS · 55.5
- HACKBERRY · 55.2
- EC FFE Graham County · 53.7
- OZ Graham · 50.4
- Greenfield (TAP306867 - None) · 86d39c27 · 49.5
- Substation-Adjacent site · fe5b0da4 · 49.5
- Greenfield (TAP306867 - None) · 246de573 · 49.2
- Greenfield (TAP306867 - None) · 166e8ff9 · 49.0
- Greenfield (DOS CONDADOS - TAP306867) · 48.9
- SAFFORD FCI · 37eadf49 · 46.0
- Mine Site · d4e0ac1f · 45.4
- Central Arizona Project · 5d2993ca · 45.3
- Mine Site · b9c2596a · 45.2
- Old Country Club · 45.1
- Mine Site · 745af6d8 · 45.0
- Mine Site · ee0e37e4 · 45.0
- Central Arizona Project · 1c4a6ae7 · 44.7
- Mine Site · 94a2de43 · 44.5
- Colorado River Front Work & Levee System · b45eea0d · 44.4
- Colorado River Front Work & Levee System · 492fc269 · 44.3
Graham County datacenter FAQ
How many datacenter sites are in Graham County?
20 scored datacenter candidate sites, averaging 47.8/100 DC Readiness. That is the 14th-most of 15 Arizona counties with five or more sites.
What is the highest-scoring datacenter site in Graham County?
DOS CONDADOS scores 55.5/100 DC Readiness, the highest of the 20 scored sites in Graham County (a substation-adjacent site).
Does Graham County offer datacenter tax incentives?
Government Property Lease Excise Tax (GPLET) for qualified facilities on government land.
What is the natural-hazard risk in Graham County?
FEMA's National Risk Index rates Graham County as "Relatively Low" (score 22).
What are industrial electricity rates in Graham County?
Average industrial electricity is 10.78¢/kWh and commercial is 11.44¢/kWh in Graham County.
More in Arizona
- All datacenter sites in Arizona· 3,816 sites
- Operating datacenters in Arizona
- Electric substations in Arizona
- Maricopa County· 1,170 sites · avg 51.6
- Pima County· 493 sites · avg 49.2
- Pinal County· 471 sites · avg 49.5
- Mohave County· 275 sites · avg 46.8
- Yuma County· 248 sites · avg 46.3
- La Paz County· 247 sites · avg 44.8
- Greenfield sites in Arizona
- Federal Excess sites 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 Graham County, Arizona”, https://gridcensus.com/datacenter-sites/arizona/graham-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 Graham 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.