TAP139355
SubstationVirginia
At a glance
TAP139355 is an electric transmission substation in Virginia. 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
No owner is recorded for the lines that connect here.
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #102150 | 69 kV | — | IN SERVICE | 0.1 mi |
| #128337 | 69 kV | — | IN SERVICE | 10.7 mi |
| #143291 | 69 kV | — | IN SERVICE | 4.9 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP139355, 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 |
|---|---|---|---|---|---|---|---|
| OAK HALL | Substation-Adjacent | VA | Accomack County | 138 kV | 100 MW | 5.1 yrs | 55.8 |
| WATTSVILLE | Substation-Adjacent | VA | Accomack County | 138 kV | 100 MW | 5.1 yrs | 55.8 |
| UNKNOWN121587 | Substation-Adjacent | VA | Accomack County | 69 kV | 50 MW | 5.1 yrs | 54.4 |
| UNKNOWN121579 | Substation-Adjacent | VA | Accomack County | 69 kV | 50 MW | 5.1 yrs | 54.4 |
| UNKNOWN121577 | Substation-Adjacent | VA | Somerset County | 138 kV | 100 MW | 5.1 yrs | 53.9 |
| UNKNOWN121578 | Substation-Adjacent | VA | Accomack County | 69 kV | 50 MW | 5.1 yrs | 53.6 |
| TAP139355 | Substation-Adjacent | VA | Accomack County | 69 kV | 50 MW | 5.1 yrs | 53.5 |
| UNKNOWN121583 | Substation-Adjacent | VA | Accomack County | 69 kV | 50 MW | 5.1 yrs | 53.5 |
How do candidate sites near TAP139355 score?
The 8 highest-scoring candidate sites within about 25 miles range from 54 to 56 on the 0–100 DC Readiness scale. They fall in Accomack County, Somerset 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 TAP139355 substation?
TAP139355 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 TAP139355 is below the national midpoint.
How many transmission lines connect to TAP139355 substation?
3 transmission lines terminate at or pass through TAP139355 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 15.7 miles.
Where is TAP139355 substation located?
TAP139355 is in Virginia at 37.8758, -75.5981. The datacenter candidate sites closest to it are in Accomack County, Somerset County.
Are there datacenter candidate sites near TAP139355 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP139355. The highest-scoring is OAK HALL at 56/100. 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, “TAP139355 substation, Virginia”, https://gridcensus.com/substations/virginia/tap139355-a5bf04ab (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 TAP139355 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.