Central Arizona Project at 32.403, -111.202
Federal ExcessPima County, Arizona · WECC
At a glance
Central Arizona Project at 32.403, -111.202 is a federal excess datacenter candidate site in Pima County, Arizona, scoring 47.5/100 DC Readiness — 370th of 493 scored sites in the county. It sits in the WECC grid region and the TUCSON ELECTRIC POWER CO service territory, where interconnection has averaged 3.5 years from request to operation.
Power & interconnection
Speed to power
Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
Sales-tax exemption suspended Jul 2026–Jun 2029; water constraints add scrutiny.
Incentive detail: Government Property Lease Excise Tax (GPLET) for qualified facilities on government land.
Site location
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How does Central Arizona Project at 32.403, -111.202 compare with other sites in Pima County?
Central Arizona Project at 32.403, -111.202 ranks 370th of 493 scored candidate sites in Pima County. Its 47.5/100 is roughly in line with the county average of 49.2. It is roughly in line with the Arizona average of 48.5 and about 11% below the national average of 53.2.
Against the Arizona average, its strongest sub-score is natural hazard (78 vs 77) and its weakest is power availability (30 vs 34). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Central Arizona Project at 32.403, -111.202 to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is Login Tucson at 17.4 miles. 10 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Login Tucson, 17.4 miles away.
What are the flood, water and hazard risks at Central Arizona Project at 32.403, -111.202?
At the county level, FEMA's National Risk Index rates Pima County "Relatively Low".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Pima County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| Tucson International Airport Area | Brownfield | 230 kV | 3 MW | 3.5 yrs | 62.9 |
| OZ Pima | Greenfield | — | — | 3.5 yrs | 62.8 |
| TUCSON | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 62.7 |
| OZ Pima | Greenfield | — | — | 3.5 yrs | 62.4 |
| OZ Pima | Greenfield | — | — | 3.5 yrs | 61.6 |
| EC Near H Wilson Sundt Generating Station | Greenfield | — | — | 3.5 yrs | 61.5 |
| OZ Pima | Greenfield | — | — | 3.5 yrs | 60.6 |
| EC Near H Wilson Sundt Generating Station | Greenfield | — | — | 3.5 yrs | 60.0 |
Central Arizona Project at 32.403, -111.202: common questions
What is the DC Readiness score of Central Arizona Project at 32.403, -111.202?
Central Arizona Project at 32.403, -111.202 scores 47.5/100 on the GridCensus DC Readiness scale, rated fair. It ranks 370th of 493 scored sites in Pima County. The Pima County average is 49.2 and the Arizona average is 48.5.
Which electric utility serves Central Arizona Project at 32.403, -111.202?
TUCSON ELECTRIC POWER CO (investor owned) holds the retail service territory that contains the site; its holding company is UNS ELECTRIC INCORPORATED.
What grid region is Central Arizona Project at 32.403, -111.202 in?
Central Arizona Project at 32.403, -111.202 is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
How far is Central Arizona Project at 32.403, -111.202 from an internet exchange?
The nearest internet exchange facility is Login Tucson, about 17.4 miles away; 10 fiber providers report service at the location.
Related pages
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 October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Central Arizona Project at 32.403, -111.202, Pima County, AZ”, https://gridcensus.com/datacenter-sites/arizona/pima-county/central-arizona-project-2fe3090c (data as of October 10, 2026).
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
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