TAP154692
SubstationArkansas · SOUTHWESTERN POWER ADMINISTRATION
At a glance
TAP154692 is an electric transmission substation in Arkansas, on SOUTHWESTERN POWER ADMINISTRATION'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 |
|---|---|---|---|---|
| #106709 | 69 kV | SOUTHWESTERN POWER ADMINISTRATION | IN SERVICE | 18.6 mi |
| #122556 | 69 kV | ENTERGY ARKANSAS INC | IN SERVICE | 0.0 mi |
| #149258 | 69 kV | SOUTHWESTERN POWER ADMINISTRATION | IN SERVICE | 18.5 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP154692, 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 |
|---|---|---|---|---|---|---|---|
| OZ Howell | Greenfield | MO | Howell | — | — | 3.9 yrs | 58.2 |
| UNKNOWN122780 | Substation-Adjacent | MO | Oregon County | 161 kV | 100 MW | 3.9 yrs | 57.4 |
| UNKNOWN117955 | Substation-Adjacent | MO | Howell County | 161 kV | 100 MW | 3.9 yrs | 56.8 |
| EC FFE Izard County | Greenfield | AR | Izard County | — | — | 4.3 yrs | 55.7 |
| EC FFE Baxter County | Greenfield | AR | Baxter County | — | — | 4.3 yrs | 55.7 |
| NORFORK | Substation-Adjacent | AR | Baxter County | 161 kV | 100 MW | 4.3 yrs | 55.6 |
| UNKNOWN108069 | Substation-Adjacent | AR | Izard County | 161 kV | 100 MW | 4.3 yrs | 55.6 |
| UNKNOWN108068 | Substation-Adjacent | AR | Izard County | 161 kV | 100 MW | 4.3 yrs | 55.5 |
Who owns the transmission lines at TAP154692?
The 3 connected lines listed above are owned by SOUTHWESTERN POWER ADMINISTRATION, ENTERGY ARKANSAS INC. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 37.1 miles.
How do candidate sites near TAP154692 score?
The 8 highest-scoring candidate sites within about 25 miles range from 56 to 58 on the 0–100 DC Readiness scale. They fall in Howell, Oregon County, Howell County, Izard County. 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
What voltage is TAP154692 substation?
TAP154692 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 TAP154692 is below the national midpoint.
How many transmission lines connect to TAP154692 substation?
3 transmission lines terminate at or pass through TAP154692 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 37.1 miles.
Who owns TAP154692 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP154692 belong to SOUTHWESTERN POWER ADMINISTRATION, and others to ENTERGY ARKANSAS INC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP154692 substation located?
TAP154692 is in Arkansas at 36.3935, -92.0060. The datacenter candidate sites closest to it are in Howell, Oregon County, Howell County.
Are there datacenter candidate sites near TAP154692 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP154692. The highest-scoring is OZ Howell at 58/100. 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, “TAP154692 substation, Arkansas”, https://gridcensus.com/substations/arkansas/tap154692-da5c69ce (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 TAP154692 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.