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Gridcensus

TAP137101

Substation

West Virginia · APPALACHIAN POWER CO

Max voltage
138
kV

At a glance

TAP137101 is a 138 kV electric substation in West Virginia on APPALACHIAN POWER CO's transmission network, recorded in the HIFLD transmission dataset. 3 transmission lines connect to it. The highest-scoring datacenter candidate site within about 25 miles is JOHN AMOS in Putnam County, with a DC Readiness score of 70/100.

TAP137101 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

Max voltage138 kV
Min voltage138 kV
Voltage classSub-transmission (138 kV)
Connected lines3

Ownership

Line owner (most lines)APPALACHIAN POWER CO
Coordinates38.3569, -81.5340

Connected transmission lines

Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.

Line IDVoltageOwnerStatusLength
#100585138 kVAPPALACHIAN POWER COIN SERVICE4.6 mi
#120060138 kVAPPALACHIAN POWER COIN SERVICE5.0 mi
#145235138 kVAPPALACHIAN POWER COIN SERVICE4.8 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of TAP137101, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near TAP137101 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
JOHN AMOSSubstation-AdjacentWVPutnam County765 kV1,000 MW3.0 yrs69.6
KANAWHA RIVERSubstation-AdjacentWVKanawha County345 kV600 MW3.0 yrs68.3
OZ KanawhaGreenfieldWVKanawha——3.0 yrs65.2
OZ KanawhaGreenfieldWVKanawha——3.0 yrs64.9
UNKNOWN162246Substation-AdjacentWVKanawha County138 kV100 MW3.0 yrs62.0
CAPITOL HILLSubstation-AdjacentWVKanawha County138 kV100 MW3.0 yrs61.9
CHEMICALSubstation-AdjacentWVKanawha County138 kV100 MW3.0 yrs61.9
WARDS HOLLOWSubstation-AdjacentWVKanawha County138 kV100 MW3.0 yrs61.9

Who owns the transmission lines at TAP137101?

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 14.5 miles.

How do candidate sites near TAP137101 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, Kanawha County, Kanawha. 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 TAP137101 substation?

TAP137101 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 TAP137101 is above the national midpoint.

How many transmission lines connect to TAP137101 substation?

3 transmission lines terminate at or pass through TAP137101 in the HIFLD line data. The connected lines listed here run at 138 kV. Together the listed lines cover about 14.5 miles.

Who owns TAP137101 substation?

HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP137101 belong to APPALACHIAN POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.

Where is TAP137101 substation located?

TAP137101 is in West Virginia at 38.3569, -81.5340. The datacenter candidate sites closest to it are in Putnam County, Kanawha County, Kanawha.

Are there datacenter candidate sites near TAP137101 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP137101. 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, “TAP137101 substation, West Virginia”, https://gridcensus.com/substations/west-virginia/tap137101-ea4946c8 (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 TAP137101 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.