Tracy Maintenance Camp and Store
IndustrialPima County, Arizona · WECC
At a glance
Tracy Maintenance Camp and Store is an industrial datacenter candidate site in Pima County, Arizona, scoring 41.8/100 DC Readiness — 488th of 493 scored sites in the county. It sits in the WECC grid region and the AJO IMPROVEMENT 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 Tracy Maintenance Camp and Store compare with other sites in Pima County?
Tracy Maintenance Camp and Store ranks 488th of 493 scored candidate sites in Pima County. Its 41.8/100 is about 15% below the county average of 49.2. It is about 14% below the Arizona average of 48.5 and about 21% 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 fiber connectivity (35 vs 66). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Tracy Maintenance Camp and Store to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is INAP Phoenix at 79.1 miles. 10 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is INAP Phoenix, 79.1 miles away.
What are the flood, water and hazard risks at Tracy Maintenance Camp and Store?
The site is in FEMA flood zone D, where flood risk has not been determined. 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 |
Tracy Maintenance Camp and Store: common questions
What is the DC Readiness score of Tracy Maintenance Camp and Store?
Tracy Maintenance Camp and Store scores 41.8/100 on the GridCensus DC Readiness scale, rated fair. It ranks 488th 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 Tracy Maintenance Camp and Store?
AJO IMPROVEMENT CO (investor owned) holds the retail service territory that contains the site.
What grid region is Tracy Maintenance Camp and Store in?
Tracy Maintenance Camp and Store is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
Is Tracy Maintenance Camp and Store in a flood zone?
The site is in FEMA flood zone D, where flood risk has not been determined.
How far is Tracy Maintenance Camp and Store from an internet exchange?
The nearest internet exchange facility is INAP Phoenix, about 79.1 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, “Tracy Maintenance Camp and Store, Pima County, AZ”, https://gridcensus.com/datacenter-sites/arizona/pima-county/tracy-maintenance-camp-and-store-1d8428c4 (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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