TAP137203
SubstationWest Virginia · APPALACHIAN POWER CO
At a glance
TAP137203 is an electric transmission substation in West Virginia, on APPALACHIAN POWER CO's transmission network. It is classified as sub-transmission (138 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 |
|---|---|---|---|---|
| #102118 | 138 kV | APPALACHIAN POWER CO | IN SERVICE | 2.2 mi |
| #111651 | 138 kV | APPALACHIAN POWER CO | IN SERVICE | 10.5 mi |
| #144005 | 138 kV | APPALACHIAN POWER CO | IN SERVICE | 9.4 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP137203, 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 |
|---|---|---|---|---|---|---|---|
| JOHN AMOS | Substation-Adjacent | WV | Putnam County | 765 kV | 1,000 MW | 3.0 yrs | 69.6 |
| CULLODEN | Substation-Adjacent | WV | Cabell County | 765 kV | 1,000 MW | 3.0 yrs | 67.5 |
| OZ Kanawha | Greenfield | WV | Kanawha | — | — | 3.0 yrs | 65.2 |
| OZ Kanawha | Greenfield | WV | Kanawha | — | — | 3.0 yrs | 64.9 |
| UNKNOWN162246 | Substation-Adjacent | WV | Kanawha County | 138 kV | 100 MW | 3.0 yrs | 62.0 |
| WARDS HOLLOW | Substation-Adjacent | WV | Kanawha County | 138 kV | 100 MW | 3.0 yrs | 61.9 |
| CHEMICAL | Substation-Adjacent | WV | Kanawha County | 138 kV | 100 MW | 3.0 yrs | 61.9 |
| CAPITOL HILL | Substation-Adjacent | WV | Kanawha County | 138 kV | 100 MW | 3.0 yrs | 61.9 |
Who owns the transmission lines at TAP137203?
The 3 connected lines listed above are owned by APPALACHIAN POWER CO. Line voltages range from 138 kV to 138 kV. Their combined recorded length is about 22.1 miles.
How do candidate sites near TAP137203 score?
The 8 highest-scoring candidate sites within about 25 miles range from 62 to 70 on the 0–100 DC Readiness scale. They fall in Putnam County, Cabell County, Kanawha, Kanawha County. The West Virginia average across 3,734 scored sites is 52. 378 of those West Virginia sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is TAP137203 substation?
TAP137203 has a maximum voltage of 138 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP137203 is above the national midpoint.
How many transmission lines connect to TAP137203 substation?
3 transmission lines terminate at or pass through TAP137203 in the HIFLD line data. The connected lines listed here run at 138 kV. Together the listed lines cover about 22.1 miles.
Who owns TAP137203 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP137203 belong to APPALACHIAN POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP137203 substation located?
TAP137203 is in West Virginia at 38.2334, -81.8315. The datacenter candidate sites closest to it are in Putnam County, Cabell County, Kanawha.
Are there datacenter candidate sites near TAP137203 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP137203. The highest-scoring is JOHN AMOS at 70/100. Across West Virginia, the average DC Readiness score is 52.
More in West 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, “TAP137203 substation, West Virginia”, https://gridcensus.com/substations/west-virginia/tap137203-112e3b5b (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 TAP137203 substation, West 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.