Datacenter Sites in Arizona
Arizona has 3,816 scored datacenter candidate sites averaging 48.5/100 DC Readiness. Federal Excess parcels lead the inventory (1,616 sites). Most sites interconnect through WECC. The state's candidate sites carry a catalogued aggregate of 110.0k MW and average a 3.5 yrs interconnection-queue wait.
At a glance
Arizona has 3,816 scored datacenter candidate sites, the 11th-most of the 50 states, DC and Puerto Rico, averaging 48.5/100 DC Readiness against a national average of 53.0. Its average score ranks 49th among states. The state also has 90 operating datacenters and 30 internet exchange facilities on record.
How does Arizona compare with other states for datacenter sites?
By number of scored candidate sites, Arizona ranks 11th of the 50 states, DC and Puerto Rico (3,816 of 147,272 nationally, 2.6%). Its average DC Readiness of 48.5/100 ranks 49th and is roughly in line with the national average of 53.0. The average interconnection-queue wait at its sites, 3.5-year, is the 7th-shortest of the group (national 4.2-year).
Across the five headline sub-scores, Arizona is strongest relative to the nation on natural hazard (77.3 vs 66.8 nationally) and weakest on water (17.2 vs 72.3). Power and speed to power carry 20% of the score each, fiber 12%, water 7% and hazard 6%.
Which counties in Arizona have the most datacenter sites?
Maricopa County (1,170 sites, average 51.6), Pima County (493 sites, average 49.2), and Pinal County (471 sites, average 49.5) hold the largest inventories. Together the top 3 account for 56% of the state's scored sites. 15 counties have five or more scored sites and their own county page.
What kinds of sites and grid regions are in Arizona?
Federal Excess parcels are the largest category (1,616, 42%), followed by industrial (901) and substation-adjacent (614). Sites span 2 grid regions; WECC covers 100% of them.
By site type
- Federal Excess1,616
- Industrial901
- Substation-Adjacent614
- Former Mine427
- Greenfield246
- Brownfield12
Average sub-score profile
How Arizona's candidate sites score on each DC Readiness dimension (0–100 average).
Top 25 datacenter sites in Arizona
Ranked by DC Readiness.
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| Copper Crossing Energy and Research Cent | Brownfield | Pinal County | 69 kV | 1,779 MW | 3.5 yrs | 69.5 |
| KYRENE | Substation-Adjacent | Maricopa County | 500 kV | 1,000 MW | 3.5 yrs | 66.0 |
| RUDD | Substation-Adjacent | Maricopa County | 500 kV | 1,000 MW | 3.5 yrs | 65.9 |
| NAVAJO | Substation-Adjacent | Kane County | 500 kV | 1,000 MW | 3.5 yrs | 65.8 |
| BROWNING | Substation-Adjacent | Pinal County | 500 kV | 1,000 MW | 3.5 yrs | 65.7 |
| PINNACLE PEAK APS | Substation-Adjacent | Maricopa County | 500 kV | 1,000 MW | 3.5 yrs | 64.7 |
| WESTWING | Substation-Adjacent | Maricopa County | 500 kV | 1,000 MW | 3.5 yrs | 64.1 |
| SAGUARO | Substation-Adjacent | Pinal County | 500 kV | 1,000 MW | 3.5 yrs | 63.8 |
| MORGAN | Substation-Adjacent | Maricopa County | 500 kV | 1,000 MW | 3.5 yrs | 63.6 |
| WARD | Substation-Adjacent | Maricopa County | 230 kV | 300 MW | 3.5 yrs | 63.3 |
| EC Near Crosscut | Greenfield | Maricopa | — | — | 3.5 yrs | 63.2 |
| ABEL | Substation-Adjacent | Pinal County | 500 kV | 1,000 MW | 3.5 yrs | 63.0 |
| OZ Maricopa | Greenfield | Maricopa | — | — | 3.5 yrs | 62.9 |
| Tucson International Airport Area | Brownfield | Pima | 230 kV | 3 MW | 3.5 yrs | 62.9 |
| OZ Maricopa | Greenfield | Maricopa | — | — | 3.5 yrs | 62.8 |
| OZ Pima | Greenfield | Pima | — | — | 3.5 yrs | 62.8 |
| TUCSON | Substation-Adjacent | Pima County | 345 kV | 600 MW | 3.5 yrs | 62.7 |
| EC Near Crosscut | Greenfield | Maricopa | — | — | 3.5 yrs | 62.6 |
| OZ Maricopa | Greenfield | Maricopa | — | — | 3.5 yrs | 62.6 |
| CHOLLA | Substation-Adjacent | Navajo County | 500 kV | 1,000 MW | 3.5 yrs | 62.5 |
| EC Near Ocotillo | Greenfield | Maricopa | — | — | 3.5 yrs | 62.4 |
| OZ Pima | Greenfield | Pima | — | — | 3.5 yrs | 62.4 |
| EC Near Crosscut | Greenfield | Maricopa | — | — | 3.5 yrs | 62.4 |
| Williams Air Force Base | Brownfield | Maricopa | 69 kV | 2 MW | 3.5 yrs | 62.4 |
| DUKE | Substation-Adjacent | Pinal County | 500 kV | 1,000 MW | 3.5 yrs | 62.3 |
Counties in Arizona
15 counties with five or more scored sites.
Operating datacenters in Arizona
90 operating datacenter facilities in Arizona are on record, the 8th-most of any state. Phoenix has the largest cluster (18 facilities). The operators with the most facilities here are Microsoft (7), CyrusOne (5), Digital Realty (3). Footprints are recorded for 49 of them, totalling about 39.5 million square feet.
Phoenix (18)
- Iron Mountain AZP-1 · Iron Mountain
- Aligned Energy Data Center
- Iron Mountain AZP-2 · Iron Mountain
- Datacenter 01052182309 · Lumen Technologies
- QTS · Quality Technology Services
- Iron Mountain Records Storage
- CyrusOne PHX1 · CyrusOne
- Flexential Phoenix - Deer Valley · Flexential
- PhoenixNAP · PhoenixNAP
- Cogent Data Center · Cogent Communications, Inc.
- Data Storage Centers
- Lumen · Lumen Technologies
- 1GServers Data Center · 1GServers, LLC
- Aligned Phoenix · Aligned
- DataBank Phoenix (PHX1) · DataBank, Ltd.
- INAP Phoenix · INAP Holding LLC
- PH1 Phoenix · Equinix
- PHX1 Phoenix · Digital Realty
Mesa (15)
- NTT PH1 Datacenter · NTT
- Apple Mesa Data Center · Apple Inc.
- EdgeConneX PHX02 Data Center · EdgeConneX
- EdgeCore · EdgeCore Digital Infrastructure
- Centersquare: Phoenix - (PHX1 - Mesa) · Centersquare
- Apple Mesa DC · Apple
- Alliance Technology
- Apple Mesa · Apple
- Comarch
- Compass Phoenix · Compass Datacenters
- EdgeCore Mesa · EdgeCore
- OptimumHQ
- PH2 Mesa · Equinix
- QTS Phoenix · QTS
- The Chatfield Group
Chandler (11)
- Digital Realty Phoenix PHX15 · Digital Realty
- CyrusOne PHX8
- CyrusOne PHX7
- CyrusOne PHX4
- CyrusOne PHX3
- CyrusOne PHX4 · CyrusOne
- CyrusOne PHX5 · CyrusOne
- CyrusOne PHX6 · CyrusOne
- H5 Phoenix · H5
- All About Serving Process Server
- CyrusOne Chandler · CyrusOne
Goodyear (11)
- Stream Data Centers PHX-1 · Stream Data Centers
- PHX-11 · Microsoft
- PHX-10 · Microsoft
- Microsoft · Microsoft
- Datacenter 00938592711
- Microsoft Goodyear Arizona · Microsoft
- Microsoft Phoenix · Microsoft Azure
- PHX-12 · Microsoft
- PHX-13 · Microsoft
- PHX-14 · Microsoft
- Stream Goodyear · Stream
Tucson (4)
- DirecTV DC · DirecTV
- ark data centers - Tucson, AZ · ark data centers
- Login Tucson · Login, LLC
- Simply Bits DC1 · Simply Bits, LLC
Scottsdale (3)
- DataBank Scottsdale · DataBank
- Iron Mountain Data Centers AZS-1 · Iron Mountain Data Centers
- Sungard AS Scottsdale · Sungard Availability Services
Tempe (3)
- Digital Realty Data Center · Digital Realty
- Omnis Network · Omnis Network, LLC
- EdgeConneX Data Center · EdgeConneX
Gilbert (2)
- GoDaddy - Gilbert
- US Signal AZ01 - Phoenix · OneNeck IT Solutions LLC
Benson (1)
- DirecTV DC · DirecTV
Nogales (1)
- MDC Nogales · MDC Data Centers
City not recorded (21)
- Meta Data Center · Meta
- Google Data Center · Google
- EdgeCore Digital
- Datacenter 00567575425
- Datacenter 01456975948
- Datacenter 01456975947
- Datacenter 01456975949
- Datacenter 01372772726 · Google
- QTS · Quality Technology Services
- AZ Labs
- Myndshift Technologies
- StrongMind
- L3Harris Technologies Inc
- Accelera Data Systems
- Alembic Computer Services, Inc.
- DataPro USA Web Development
- Emailage
- J-Curve Technologies
- K-Motion Interactive
- Profit Finder Pro Software
- VaultLogix
Internet exchange and peering facilities in Arizona
30 peering and colocation facilities in Arizona are listed in PeeringDB. Phoenix has the most (15). The best-connected facility hosts 75 networks; the median facility in the state hosts 3.5 networks.
Phoenix (15)
- PhoenixNAP · 75 networks
- Digital Realty PHX10 (120 E Van Buren) · 32 networks
- Iron Mountain Data Center - Phoenix (AZP-1) · 30 networks
- CyrusOne Phoenix · 16 networks
- Centersquare Phoenix (PHX1) · 8 networks
- QTS Phoenix (PHX1) · 8 networks
- Aligned Phoenix (PHX-01) · 6 networks
- Flexential - Phoenix (PHX01) · 4 networks
- DataBank Phoenix (PHX1) · 3 networks
- INAP Phoenix · 3 networks
- Iron Mountain Data Center - Phoenix (AZP-2) · 3 networks
- 1GServers Data Center · 1 networks
- Expedient Phoenix · 1 networks
- QTS Phoenix (PHX2) · 1 networks
- DataBank Phoenix (PHX2) · 0 networks
Chandler (3)
- H5 Data Centers Phoenix · 13 networks
- Digital Realty PHX15 (2121 S Price Rd) · 6 networks
- DataBank Phoenix (PHX3) · 0 networks
Tucson (3)
- ark data centers - Tucson, AZ · 12 networks
- Simply Bits DC1 · 2 networks
- Login Tucson · 1 networks
Mesa (2)
- Centersquare Phoenix (PHX3) · 4 networks
- EdgeCore Phoenix · 0 networks
Scottsdale (2)
- Iron Mountain Data Center - Scottsdale (AZS-1) · 8 networks
- Sungard AS Scottsdale · 2 networks
Tempe (2)
- EdgeConneX Phoenix (EDCPHX01) · 39 networks
- Omnis Network Phoenix · 5 networks
Gilbert (1)
- US Signal AZ01 - Phoenix · 3 networks
Goodyear (1)
- Stream Data Centers - Phoenix I · 1 networks
Nogales (1)
- MDC Nogales · 3 networks
Arizona datacenter site selection FAQ
How many datacenter sites are in Arizona?
GridCensus catalogs 3,816 scored datacenter candidate sites in Arizona, with an average DC Readiness score of 48.5/100. That is the 11th-largest inventory of the 50 states, DC and Puerto Rico.
How many operating datacenters are in Arizona?
90 operating datacenter facilities in Arizona are on record, the 8th-most of any state. Phoenix has the most (18). Microsoft operates the most facilities in the state (7).
What is the average interconnection-queue wait in Arizona?
Candidate sites in Arizona average a 3.5-year interconnection-queue wait, with an average queue depth of 55 projects. The national average across all scored sites is 4.2-year, and Arizona has the 7th-shortest average wait of the 50 states, DC and Puerto Rico.
Which county in Arizona has the most datacenter sites?
Maricopa County has the most scored candidate sites in Arizona (1,170), followed by Pima County (493) and Pinal County (471). Among counties with at least 10 sites, Maricopa County has the highest average DC Readiness (51.6/100).
What kind of datacenter sites are most common in Arizona?
Federal Excess sites are the most common category in Arizona (1,616 sites, 42% of the inventory), and most sites fall within the WECC grid region.
How many internet exchange facilities are in Arizona?
30 peering and colocation facilities listed in PeeringDB are in Arizona. Phoenix has the most (15). The best-connected one hosts 75 networks.
Looking for a specific record? The directory lists every scored datacenter site in Arizona, A to Z.
More Arizona infrastructure
- Electric substations in Arizona
- Brownfield and retired power plant sites in Arizona
- WECC grid region· 3,804 sites here
- CAISO grid region· 12 sites here
- Federal Excess sites in Arizona· 1,616
- Industrial sites in Arizona· 901
- Substation-Adjacent sites in Arizona· 614
- Former Mine sites in Arizona· 427
- States ranked by datacenter readiness
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 Arizona”, https://gridcensus.com/datacenter-sites/arizona (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 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.