OZ Maricopa
GreenfieldMaricopa County, Arizona · WECC
At a glance
OZ Maricopa is a greenfield datacenter candidate site in Maricopa County, Arizona, scoring 56.8/100 DC Readiness — 101st of 1,170 scored sites in the county. It sits in the WECC grid region and the SALT RIVER 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
Get alerts
Track OZ Maricopa
Get an email when its DC-readiness score, available capacity, or interconnection-queue status changes.
How does OZ Maricopa compare with other sites in Maricopa County?
OZ Maricopa ranks 101st of 1,170 scored candidate sites in Maricopa County. Its 56.8/100 is about 10% above the county average of 51.6. It is about 17% 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 water (46 vs 17) and its weakest is fiber connectivity (40 vs 66). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is OZ Maricopa to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is DataBank Phoenix (PHX1) at 6 miles. 27 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Lumen, 5.9 miles away.
What are the flood, water and hazard risks at OZ Maricopa?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk). WRI rates baseline water stress at 4.20 on a 0–5 scale. No mapped wetlands are recorded on the parcel. A Superfund site is nearby (ARIZONA AUTOMOTIVE INSTITUTE). At the county level, FEMA's National Risk Index rates Maricopa 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 Maricopa County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| KYRENE | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 66.0 |
| RUDD | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 65.9 |
| PINNACLE PEAK APS | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 64.7 |
| WESTWING | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 64.1 |
| MORGAN | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 63.6 |
| WARD | Substation-Adjacent | 230 kV | 300 MW | 3.5 yrs | 63.3 |
| EC Near Crosscut | Greenfield | — | — | 3.5 yrs | 63.2 |
| OZ Maricopa | Greenfield | — | — | 3.5 yrs | 62.9 |
OZ Maricopa: common questions
What is the DC Readiness score of OZ Maricopa?
OZ Maricopa scores 56.8/100 on the GridCensus DC Readiness scale, rated good. It ranks 101st of 1,170 scored sites in Maricopa County. The Maricopa County average is 51.6 and the Arizona average is 48.5.
Which electric utility serves OZ Maricopa?
SALT RIVER PROJECT (political subdivision) holds the retail service territory that contains the site.
What grid region is OZ Maricopa in?
OZ Maricopa is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
Is OZ Maricopa in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
Who owns OZ Maricopa?
Parcel records list the owner as Acuff Holdings Llc (private land).
How far is OZ Maricopa from an internet exchange?
The nearest internet exchange facility is DataBank Phoenix (PHX1), about 6 miles away; 27 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, “OZ Maricopa, Maricopa County, AZ”, https://gridcensus.com/datacenter-sites/arizona/maricopa-county/oz-maricopa-2221581b (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.
Go deeper than the public screen
Every site and score for OZ Maricopa, Maricopa County 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.