SILOAM SPRINGS SOUTHWEST
SubstationArkansas · EMPIRE DISTRICT ELECTRIC CO
At a glance
SILOAM SPRINGS SOUTHWEST is an electric transmission substation in Arkansas, on EMPIRE DISTRICT ELECTRIC CO's transmission network. It is classified as unclassified 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 |
|---|---|---|---|---|
| #164120 | — | EMPIRE DISTRICT ELECTRIC CO | IN SERVICE | 0.3 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of SILOAM SPRINGS SOUTHWEST, 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 |
|---|---|---|---|---|---|---|---|
| TONTITOWN | Substation-Adjacent | AR | Benton County | 345 kV | 600 MW | 4.3 yrs | 68.9 |
| CHAMBERS SPRINGS | Substation-Adjacent | AR | Washington County | 345 kV | 600 MW | 4.3 yrs | 66.3 |
| UNKNOWN107928 | Substation-Adjacent | AR | Benton County | 345 kV | 600 MW | 4.3 yrs | 63.9 |
| UNKNOWN133415 | Substation-Adjacent | OK | Delaware County | 345 kV | 600 MW | 4.3 yrs | 63.8 |
| UNKNOWN149575 | Substation-Adjacent | AR | Benton County | 345 kV | 600 MW | 4.3 yrs | 63.6 |
| EC Near Genova Arkansas I LLC | Greenfield | AR | Washington | — | — | 4.3 yrs | 63.2 |
| FAYETTEVILLE | Substation-Adjacent | AR | Washington County | 161 kV | 100 MW | 4.3 yrs | 63.1 |
| FAYETTEVILLE SOUTH | Substation-Adjacent | AR | Washington County | 161 kV | 100 MW | 4.3 yrs | 63.1 |
Who owns the transmission lines at SILOAM SPRINGS SOUTHWEST?
The 1 connected line listed above is owned by EMPIRE DISTRICT ELECTRIC CO. Their combined recorded length is about 0.3 miles.
How do candidate sites near SILOAM SPRINGS SOUTHWEST score?
The 8 highest-scoring candidate sites within about 25 miles range from 63 to 69 on the 0–100 DC Readiness scale. They fall in Benton County, Washington County, Delaware County, Washington. The Arkansas average across 1,651 scored sites is 53.6. 758 of those Arkansas sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
How many transmission lines connect to SILOAM SPRINGS SOUTHWEST substation?
1 transmission line terminate at or pass through SILOAM SPRINGS SOUTHWEST in the HIFLD line data. Together the listed lines cover about 0.3 miles.
Who owns SILOAM SPRINGS SOUTHWEST substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at SILOAM SPRINGS SOUTHWEST belong to EMPIRE DISTRICT ELECTRIC CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is SILOAM SPRINGS SOUTHWEST substation located?
SILOAM SPRINGS SOUTHWEST is in Arkansas at 36.1704, -94.5587. The datacenter candidate sites closest to it are in Benton County, Washington County, Delaware County.
Are there datacenter candidate sites near SILOAM SPRINGS SOUTHWEST substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of SILOAM SPRINGS SOUTHWEST. The highest-scoring is TONTITOWN at 69/100. Across Arkansas, the average DC Readiness score is 53.6.
More in Arkansas
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, “SILOAM SPRINGS SOUTHWEST substation, Arkansas”, https://gridcensus.com/substations/arkansas/siloam-springs-southwest-d39ebb8e (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 SILOAM SPRINGS SOUTHWEST substation, Arkansas 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.