HACKBERRY
Substation-AdjacentGraham County, Arizona · WECC
At a glance
HACKBERRY is a substation-adjacent datacenter candidate site in Graham County, Arizona, scoring 55.2/100 DC Readiness — 2nd of 20 scored sites in the county. Its nearest substation is HACKBERRY (0 mi, 230 kV). 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. GridCensus catalogs 300 MW of candidate capacity here.
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 HACKBERRY compare with other sites in Graham County?
HACKBERRY ranks 2nd of 20 scored candidate sites in Graham County. Its 55.2/100 is about 15% above the county average of 47.8. It is about 14% above the Arizona average of 48.5 and roughly in line with the national average of 53.2.
Against the Arizona average, its strongest sub-score is power availability (78 vs 34) and its weakest is fiber connectivity (61 vs 66). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is HACKBERRY to power, fiber and other datacenters?
The nearest mapped substation, HACKBERRY, is about 0 miles away and operates at 230 kV. For connectivity, the nearest internet exchange facility is Login Tucson at 90.6 miles. 5 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is DirecTV DC, 74.5 miles away.
What are the flood, water and hazard risks at HACKBERRY?
At the county level, FEMA's National Risk Index rates Graham 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 Graham County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| DOS CONDADOS | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 55.5 |
| 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 |
HACKBERRY: common questions
What is the DC Readiness score of HACKBERRY?
HACKBERRY scores 55.2/100 on the GridCensus DC Readiness scale, rated good. It ranks 2nd of 20 scored sites in Graham County. The Graham County average is 47.8 and the Arizona average is 48.5.
What is the nearest substation to HACKBERRY?
The nearest mapped substation is HACKBERRY, about 0 miles away, at 230 kV. GridCensus catalogs 300 MW of candidate capacity for the site.
Which electric utility serves HACKBERRY?
USBIA-SAN CARLOS PROJECT (federal) holds the retail service territory that contains the site.
What grid region is HACKBERRY in?
HACKBERRY is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
How far is HACKBERRY from an internet exchange?
The nearest internet exchange facility is Login Tucson, about 90.6 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, “HACKBERRY, Graham County, AZ”, https://gridcensus.com/datacenter-sites/arizona/graham-county/hackberry-285d5477 (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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