TAP136890
SubstationWest Virginia · APPALACHIAN POWER CO
At a glance
TAP136890 is an electric transmission substation in West Virginia, on APPALACHIAN POWER CO'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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #104334 | 69 kV | APPALACHIAN POWER CO | IN SERVICE | 0.0 mi |
| #117237 | 69 kV | APPALACHIAN POWER CO | IN SERVICE | 7.5 mi |
| #129257 | 69 kV | APPALACHIAN POWER CO | IN SERVICE | 6.7 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP136890, 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 |
|---|---|---|---|---|---|---|---|
| KANAWHA RIVER | Substation-Adjacent | WV | Kanawha County | 345 kV | 600 MW | 3.0 yrs | 68.3 |
| TAP171982 | Substation-Adjacent | WV | Kanawha County | 138 kV | 100 MW | 3.0 yrs | 59.7 |
| EC Near Kanawha River | Greenfield | WV | Kanawha | — | — | 3.0 yrs | 59.6 |
| EC Coal Raleigh County | Greenfield | WV | Raleigh County | — | — | 3.0 yrs | 59.6 |
| EC Coal Kanawha County | Greenfield | WV | Kanawha County | — | — | 3.0 yrs | 59.4 |
| EC Coal Raleigh County | Greenfield | WV | Raleigh County | — | — | 3.0 yrs | 59.4 |
| EC Coal Fayette County | Greenfield | WV | Fayette County | — | — | 3.0 yrs | 58.5 |
| TAP137107 | Substation-Adjacent | WV | Kanawha County | 138 kV | 100 MW | 3.0 yrs | 58.4 |
Who owns the transmission lines at TAP136890?
The 3 connected lines listed above are owned by APPALACHIAN POWER CO. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 14.3 miles.
How do candidate sites near TAP136890 score?
The 8 highest-scoring candidate sites within about 25 miles range from 58 to 68 on the 0–100 DC Readiness scale. They fall in Kanawha County, Kanawha, Raleigh County, Fayette 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 TAP136890 substation?
TAP136890 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 TAP136890 is below the national midpoint.
How many transmission lines connect to TAP136890 substation?
3 transmission lines terminate at or pass through TAP136890 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 14.3 miles.
Who owns TAP136890 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP136890 belong to APPALACHIAN POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP136890 substation located?
TAP136890 is in West Virginia at 37.8558, -81.0744. The datacenter candidate sites closest to it are in Kanawha County, Kanawha, Raleigh County.
Are there datacenter candidate sites near TAP136890 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP136890. The highest-scoring is KANAWHA RIVER at 68/100. 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, “TAP136890 substation, West Virginia”, https://gridcensus.com/substations/west-virginia/tap136890-8ec83309 (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 TAP136890 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.