AMISTAD
SubstationNew Mexico · SOUTHWESTERN ELECTRIC COOPERATIVE
At a glance
AMISTAD is an electric transmission substation in New Mexico, on SOUTHWESTERN ELECTRIC COOPERATIVE's transmission network. It is classified as distribution (69–115 kv) and connects 1 transmission line. 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 |
|---|---|---|---|---|
| #309634 | 69 kV | SOUTHWESTERN ELECTRIC COOPERATIVE | IN SERVICE | 27.1 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of AMISTAD, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN301915 | Substation-Adjacent | TX | Dallam County | 115 kV | 100 MW | 3.5 yrs | 54.9 |
| BRAVO DOME | Substation-Adjacent | NM | Harding County | 115 kV | 100 MW | 4.3 yrs | 51.4 |
| AMISTAD | Substation-Adjacent | NM | Hartley County | 69 kV | 50 MW | 4.3 yrs | 50.1 |
| CLAPHAM | Substation-Adjacent | NM | Union County | 115 kV | 100 MW | 4.3 yrs | 49.1 |
| Mine Site | Former Mine | NM | Quay County | — | — | 4.3 yrs | 47.2 |
How does AMISTAD compare with other substations in New Mexico?
New Mexico has 619 substation records in HIFLD, of which 387 carry a station name; the rest are unnamed tap points, risers and line ends. 88 named substations in the state are in AMISTAD's 69–114 kV band (23% of named stations). 282 sit in a higher band. 24 named substations in New Mexico operate at 345 kV or above. The highest voltage recorded in the state is 500 kV, and the state median is 115 kV.
Who owns the transmission lines at AMISTAD?
The 1 connected line listed above is owned by SOUTHWESTERN ELECTRIC COOPERATIVE. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 27.1 miles.
How do candidate sites near AMISTAD score?
The 5 highest-scoring candidate sites within about 25 miles range from 47 to 55 on the 0–100 DC Readiness scale. They fall in Dallam County, Harding County, Hartley County, Union 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 AMISTAD substation?
AMISTAD 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 AMISTAD is below the national midpoint.
How many transmission lines connect to AMISTAD substation?
1 transmission line terminate at or pass through AMISTAD in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 27.1 miles.
Who owns AMISTAD substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at AMISTAD belong to SOUTHWESTERN ELECTRIC COOPERATIVE. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is AMISTAD substation located?
AMISTAD is in New Mexico at 35.8573, -103.1614. The datacenter candidate sites closest to it are in Dallam County, Harding County, Hartley County.
Are there datacenter candidate sites near AMISTAD substation?
GridCensus lists 5 scored candidate sites within roughly 25 miles of AMISTAD. The highest-scoring is UNKNOWN301915 at 55/100. Across New Mexico, the average DC Readiness score is 47.8.
Other 69 kV substations in New Mexico
- COTTONWOOD TAP· 4 lines
- #6· 3 lines
- ABIQUIU· 3 lines
- AZTEC TAP· 3 lines
- DEXTER TAP· 3 lines
- GLENCOE· 3 lines
- MAXWELL· 3 lines
- TURLEY SWITCHING STATION· 3 lines
- All named substations in New Mexico· 387 stations
- Datacenter candidate sites in New Mexico· 1,535 sites
- Brownfield and retired plant sites in New Mexico
- Substations by state
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, “AMISTAD substation, New Mexico”, https://gridcensus.com/substations/new-mexico/amistad-f86e3e84 (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 AMISTAD 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.