Greenfield (KAYENTA - None)
GreenfieldSan Juan County, Arizona · WECC
At a glance
Greenfield (KAYENTA - None) is a greenfield datacenter candidate site in San Juan County, Arizona, scoring 42.5/100 DC Readiness — 87th of 199 scored sites in the county. Its nearest substation is KAYENTA. It sits in the WECC grid region and the NAVAJO TRIBAL UTILITY AUTHORITY 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.
Site location
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How does Greenfield (KAYENTA - None) compare with other sites in San Juan County?
Greenfield (KAYENTA - None) ranks 87th of 199 scored candidate sites in San Juan County. Its 42.5/100 is roughly in line with the county average of 43.8. It is about 12% below the Arizona average of 48.5 and about 20% below the national average of 53.2.
Against the Arizona average, its strongest sub-score is power availability (50 vs 34) and its weakest is fiber connectivity (10 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 (KAYENTA - None) to power, fiber and other datacenters?
The nearest mapped substation, KAYENTA, is the closest grid connection point on record and operates at 230 kV. For connectivity, the nearest internet exchange facility is 2210Cortez LLC at 37.4 miles. 5 fiber providers report service at the location in FCC broadband data.
What are the flood, water and hazard risks at Greenfield (KAYENTA - None)?
At the county level, FEMA's National Risk Index rates San Juan 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 San Juan County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| FOUR CORNERS | Substation-Adjacent | 500 kV | 1,000 MW | 3.5 yrs | 57.6 |
| SAN JUAN | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 55.1 |
| Blanco Compressor Station | Brownfield | 115 kV | 3 MW | 3.5 yrs | 53.0 |
| EC Near San Juan | Greenfield | — | — | 3.5 yrs | 51.6 |
| EC Coal San Juan County | Greenfield | — | — | 3.5 yrs | 51.5 |
| EC Coal San Juan County | Greenfield | — | — | 3.5 yrs | 51.2 |
| EC Coal San Juan County | Greenfield | — | — | 3.5 yrs | 51.1 |
| EC Near Animas | Greenfield | — | — | 3.5 yrs | 51.0 |
Greenfield (KAYENTA - None): common questions
What is the DC Readiness score of Greenfield (KAYENTA - None)?
Greenfield (KAYENTA - None) scores 42.5/100 on the GridCensus DC Readiness scale, rated fair. It ranks 87th of 199 scored sites in San Juan County. The San Juan County average is 43.8 and the Arizona average is 48.5.
What is the nearest substation to Greenfield (KAYENTA - None)?
The nearest mapped substation is KAYENTA, at 230 kV. GridCensus catalogs 300 MW of candidate capacity for the site.
Which electric utility serves Greenfield (KAYENTA - None)?
NAVAJO TRIBAL UTILITY AUTHORITY (state) holds the retail service territory that contains the site.
What grid region is Greenfield (KAYENTA - None) in?
Greenfield (KAYENTA - None) is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
How far is Greenfield (KAYENTA - None) from an internet exchange?
The nearest internet exchange facility is 2210Cortez LLC, about 37.4 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, “Greenfield (KAYENTA - None), San Juan County, AZ”, https://gridcensus.com/datacenter-sites/arizona/san-juan-county/greenfield-kayenta-none-cc4df272 (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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