ROUND VALLEY
Substation-AdjacentCatron County, Arizona · WECC
At a glance
ROUND VALLEY is a substation-adjacent datacenter candidate site in Catron County, Arizona, scoring 46.6/100 DC Readiness — 4th of 12 scored sites in the county. Its nearest substation is ROUND VALLEY (0 mi, 69 kV). It sits in the WECC grid region and the NAVOPACHE ELECTRIC COOP, INC service territory, where interconnection has averaged 3.5 years from request to operation. GridCensus catalogs 50 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 ROUND VALLEY compare with other sites in Catron County?
ROUND VALLEY ranks 4th of 12 scored candidate sites in Catron County. Its 46.6/100 is roughly in line with the county average of 45.6. It is roughly in line with the Arizona average of 48.5 and about 12% below the national average of 53.2.
Against the Arizona average, its strongest sub-score is power availability (46 vs 34) and its weakest is fiber connectivity (42 vs 66). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is ROUND VALLEY to power, fiber and other datacenters?
The nearest mapped substation, ROUND VALLEY, is about 0 miles away and operates at 69 kV. For connectivity, the nearest internet exchange facility is EdgeCore Phoenix at 141 miles. 1 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Apple Mesa Data Center, 140.1 miles away.
What are the flood, water and hazard risks at ROUND VALLEY?
At the county level, FEMA's National Risk Index rates Catron 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 Catron County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| SPRINGERVILLE | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 59.3 |
| EC Coal Catron County | Greenfield | — | — | 3.5 yrs | 48.2 |
| EC FFE Catron County | Greenfield | — | — | 3.5 yrs | 47.1 |
| UNKNOWN306697 | Substation-Adjacent | 69 kV | 50 MW | 3.5 yrs | 46.4 |
| NUTRIOSO | Substation-Adjacent | 69 kV | 50 MW | 3.5 yrs | 45.9 |
| EC Coal Catron County | Greenfield | — | — | 3.5 yrs | 44.3 |
| STEVENS | Substation-Adjacent | 69 kV | 50 MW | 3.5 yrs | 43.5 |
| LUNA | Substation-Adjacent | 69 kV | 50 MW | 3.5 yrs | 43.5 |
ROUND VALLEY: common questions
What is the DC Readiness score of ROUND VALLEY?
ROUND VALLEY scores 46.6/100 on the GridCensus DC Readiness scale, rated fair. It ranks 4th of 12 scored sites in Catron County. The Catron County average is 45.6 and the Arizona average is 48.5.
What is the nearest substation to ROUND VALLEY?
The nearest mapped substation is ROUND VALLEY, about 0 miles away, at 69 kV. GridCensus catalogs 50 MW of candidate capacity for the site.
Which electric utility serves ROUND VALLEY?
NAVOPACHE ELECTRIC COOP, INC (cooperative) holds the retail service territory that contains the site; its holding company is NAVOPACHE ELECTRIC COOPERATIVE.
What grid region is ROUND VALLEY in?
ROUND VALLEY is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
How far is ROUND VALLEY from an internet exchange?
The nearest internet exchange facility is EdgeCore Phoenix, about 141 miles away; 1 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, “ROUND VALLEY, Catron County, AZ”, https://gridcensus.com/datacenter-sites/arizona/catron-county/round-valley-3dfdf178 (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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