TAP310704
SubstationNew Mexico · NAVAJO TRIBAL UTILITY AUTHORITY
At a glance
TAP310704 is an electric transmission substation in New Mexico, on NAVAJO TRIBAL UTILITY AUTHORITY's transmission network. It is classified as distribution (69–115 kv) and connects 3 transmission lines. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.
Voltage & classification
Ownership
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #305147 | 69 kV | NAVAJO TRIBAL UTILITY AUTHORITY | IN SERVICE | 15.5 mi |
| #307085 | 69 kV | NAVAJO TRIBAL UTILITY AUTHORITY | IN SERVICE | 6.0 mi |
| #309442 | 69 kV | NAVAJO TRIBAL UTILITY AUTHORITY | IN SERVICE | 4.4 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP310704, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| MCKINLEY | Substation-Adjacent | NM | McKinley County | 345 kV | 600 MW | 3.5 yrs | 55.8 |
| UNKNOWN302098 | Substation-Adjacent | NM | McKinley County | 115 kV | 100 MW | 3.5 yrs | 49.9 |
| UNKNOWN303765 | Substation-Adjacent | NM | McKinley County | 115 kV | 100 MW | 3.5 yrs | 49.8 |
| GALLUP | Substation-Adjacent | NM | McKinley County | 115 kV | 100 MW | 3.5 yrs | 49.8 |
| UNKNOWN300040 | Substation-Adjacent | NM | Apache County | 69 kV | 50 MW | 3.5 yrs | 47.3 |
| UNKNOWN305533 | Substation-Adjacent | NM | Apache County | 69 kV | 50 MW | 3.5 yrs | 47.3 |
| TAP310704 | Substation-Adjacent | NM | Apache County | 69 kV | 50 MW | 3.5 yrs | 47.2 |
| UNKNOWN303449 | Substation-Adjacent | AZ | Apache County | 69 kV | 50 MW | 3.5 yrs | 46.8 |
Who owns the transmission lines at TAP310704?
The 3 connected lines listed above are owned by NAVAJO TRIBAL UTILITY AUTHORITY. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 25.9 miles.
How do candidate sites near TAP310704 score?
The 8 highest-scoring candidate sites within about 25 miles range from 47 to 56 on the 0–100 DC Readiness scale. They fall in McKinley County, Apache County. The New Mexico average across 1,535 scored sites is 47.8. 445 of those New Mexico sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is TAP310704 substation?
TAP310704 has a maximum voltage of 69 kV. That places it in the 69–114 kV band. The median named US substation in this dataset is 115 kV, so TAP310704 is below the national midpoint.
How many transmission lines connect to TAP310704 substation?
3 transmission lines terminate at or pass through TAP310704 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 25.9 miles.
Who owns TAP310704 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP310704 belong to NAVAJO TRIBAL UTILITY AUTHORITY. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP310704 substation located?
TAP310704 is in New Mexico at 35.7023, -108.9692. The datacenter candidate sites closest to it are in McKinley County, Apache County.
Are there datacenter candidate sites near TAP310704 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP310704. The highest-scoring is MCKINLEY at 56/100. Across New Mexico, the average DC Readiness score is 47.8.
More in New Mexico
About this data
Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “TAP310704 substation, New Mexico”, https://gridcensus.com/substations/new-mexico/tap310704-a3f8ce12 (data as of June 29, 2026).
Dataset updated . Screening estimates derived from public data sources.
Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.
Go deeper than the public screen
Every site and score for TAP310704 substation, New Mexico 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.