TAP154516
SubstationVirginia · APPALACHIAN POWER CO
At a glance
TAP154516 is an electric transmission substation in Virginia, on APPALACHIAN POWER CO's transmission network. It is classified as distribution (<69 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #111431 | 46 kV | APPALACHIAN POWER CO | IN SERVICE | 8.6 mi |
| #112364 | 46 kV | APPALACHIAN POWER CO | IN SERVICE | 8.2 mi |
| #119125 | 46 kV | APPALACHIAN POWER CO | IN SERVICE | 1.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP154516, 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 |
|---|---|---|---|---|---|---|---|
| EC Coal Floyd County | Greenfield | KY | Floyd County | — | — | 4.7 yrs | 61.0 |
| CONSOLIDATED COAL | Substation-Adjacent | KY | Knott County | 138 kV | 100 MW | 4.7 yrs | 60.4 |
| EC Coal Pike County | Greenfield | KY | Pike County | — | — | 4.7 yrs | 60.4 |
| EC Coal Lee County | Greenfield | VA | Lee County | — | — | 5.1 yrs | 60.3 |
| EC Coal Wise County | Greenfield | VA | Wise County | — | — | 5.1 yrs | 60.2 |
| TAP152108 | Substation-Adjacent | KY | Knott County | 138 kV | 100 MW | 4.7 yrs | 60.2 |
| OZ Knott | Greenfield | KY | Knott | — | — | 4.7 yrs | 60.1 |
| TAP121472 | Substation-Adjacent | KY | Knott County | 138 kV | 100 MW | 4.7 yrs | 60.0 |
Who owns the transmission lines at TAP154516?
The 3 connected lines listed above are owned by APPALACHIAN POWER CO. Line voltages range from 46 kV to 46 kV. Their combined recorded length is about 17.7 miles.
How do candidate sites near TAP154516 score?
The 8 highest-scoring candidate sites within about 25 miles range from 60 to 61 on the 0–100 DC Readiness scale. They fall in Floyd County, Knott County, Pike County, Lee County. The Virginia average across 5,871 scored sites is 52.6. 733 of those Virginia sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is TAP154516 substation?
TAP154516 has a maximum voltage of 46 kV. That places it in the below 69 kV band. The median named US substation in this dataset is 115 kV, so TAP154516 is below the national midpoint.
How many transmission lines connect to TAP154516 substation?
3 transmission lines terminate at or pass through TAP154516 in the HIFLD line data. The connected lines listed here run at 46 kV. Together the listed lines cover about 17.7 miles.
Who owns TAP154516 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP154516 belong to APPALACHIAN POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP154516 substation located?
TAP154516 is in Virginia at 37.1385, -82.5389. The datacenter candidate sites closest to it are in Floyd County, Knott County, Pike County.
Are there datacenter candidate sites near TAP154516 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP154516. The highest-scoring is EC Coal Floyd County at 61/100. Across Virginia, the average DC Readiness score is 52.6.
More in Virginia
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, “TAP154516 substation, Virginia”, https://gridcensus.com/substations/virginia/tap154516-a825d00e (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 TAP154516 substation, Virginia 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.