San Carlos Old Finance Building
IndustrialGila County, Arizona · WECC
At a glance
San Carlos Old Finance Building is an industrial datacenter candidate site in Gila County, Arizona, scoring 43.9/100 DC Readiness — 84th of 190 scored sites in the county. It sits in the WECC grid region and the USBIA-SAN CARLOS PROJECT 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 San Carlos Old Finance Building compare with other sites in Gila County?
San Carlos Old Finance Building ranks 84th of 190 scored candidate sites in Gila County. Its 43.9/100 is roughly in line with the county average of 44.5. It is roughly in line with the Arizona average of 48.5 and about 17% 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 (53 vs 66). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is San Carlos Old Finance Building to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is EdgeCore Phoenix at 67.4 miles. 5 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Apple Mesa Data Center, 66.5 miles away.
What are the flood, water and hazard risks at San Carlos Old Finance Building?
At the county level, FEMA's National Risk Index rates Gila 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 Gila County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| SILVER KING | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 58.9 |
| OZ Gila | Greenfield | — | — | 3.5 yrs | 56.3 |
| OZ Gila | Greenfield | — | — | 3.5 yrs | 53.6 |
| OZ Gila | Greenfield | — | — | 3.5 yrs | 53.0 |
| STEWART MOUNTAIN DAM | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 52.9 |
| MAZATZAL | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 52.6 |
| PREACHER CANYON | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 52.6 |
| MORMON FLAT DAM | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 51.6 |
San Carlos Old Finance Building: common questions
What is the DC Readiness score of San Carlos Old Finance Building?
San Carlos Old Finance Building scores 43.9/100 on the GridCensus DC Readiness scale, rated fair. It ranks 84th of 190 scored sites in Gila County. The Gila County average is 44.5 and the Arizona average is 48.5.
Which electric utility serves San Carlos Old Finance Building?
USBIA-SAN CARLOS PROJECT (federal) holds the retail service territory that contains the site.
What grid region is San Carlos Old Finance Building in?
San Carlos Old Finance Building is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
How far is San Carlos Old Finance Building from an internet exchange?
The nearest internet exchange facility is EdgeCore Phoenix, about 67.4 miles away; 5 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, “San Carlos Old Finance Building, Gila County, AZ”, https://gridcensus.com/datacenter-sites/arizona/gila-county/san-carlos-old-finance-building-e8a023e3 (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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