Greenfield (UNKNOWN305697 - None)
GreenfieldMaricopa County, California · WECC
At a glance
Greenfield (UNKNOWN305697 - None) is a greenfield datacenter candidate site in Maricopa County, California, scoring 44.4/100 DC Readiness — 1161st of 1,170 scored sites in the county. Its nearest substation is UNKNOWN305697. It sits in the WECC grid region, where interconnection has averaged 7.6 years from request to operation. GridCensus catalogs 100 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
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: Government Property Lease Excise Tax (GPLET) for qualified facilities on government land.
Site location
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How does Greenfield (UNKNOWN305697 - None) compare with other sites in Maricopa County?
Greenfield (UNKNOWN305697 - None) ranks 1161st of 1,170 scored candidate sites in Maricopa County. Its 44.4/100 is about 14% below the county average of 51.6. It is roughly in line with the California average of 45.4 and about 17% below the national average of 53.2.
Against the California average, its strongest sub-score is natural hazard (78 vs 51) and its weakest is fiber connectivity (52 vs 66). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Greenfield (UNKNOWN305697 - None) to power, fiber and other datacenters?
The nearest mapped substation, UNKNOWN305697, is the closest grid connection point on record and operates at 220 kV. For connectivity, the nearest internet exchange facility is Stream Data Centers - Phoenix I at 45.3 miles. 27 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Datacenter 00938592711, 44.1 miles away.
What are the flood, water and hazard risks at Greenfield (UNKNOWN305697 - None)?
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 |
Greenfield (UNKNOWN305697 - None): common questions
What is the DC Readiness score of Greenfield (UNKNOWN305697 - None)?
Greenfield (UNKNOWN305697 - None) scores 44.4/100 on the GridCensus DC Readiness scale, rated fair. It ranks 1161st of 1,170 scored sites in Maricopa County. The Maricopa County average is 51.6 and the California average is 45.4.
What is the nearest substation to Greenfield (UNKNOWN305697 - None)?
The nearest mapped substation is UNKNOWN305697, at 220 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
What grid region is Greenfield (UNKNOWN305697 - None) in?
Greenfield (UNKNOWN305697 - None) is in the WECC region. Projects interconnecting there have averaged a 7.6-year wait from queue request to operation.
How far is Greenfield (UNKNOWN305697 - None) from an internet exchange?
The nearest internet exchange facility is Stream Data Centers - Phoenix I, about 45.3 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, “Greenfield (UNKNOWN305697 - None), Maricopa County, CA”, https://gridcensus.com/datacenter-sites/california/maricopa-county/greenfield-unknown305697-none-ba786cdc (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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