TAP139200
SubstationVirginia · VIRGINIA ELECTRIC & POWER CO
At a glance
TAP139200 is an electric transmission substation in Virginia, on VIRGINIA ELECTRIC & POWER CO's transmission network. It is classified as sub-transmission (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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #112711 | 115 kV | VIRGINIA ELECTRIC & POWER CO | IN SERVICE | 1.1 mi |
| #141955 | 115 kV | VIRGINIA ELECTRIC & POWER CO | IN SERVICE | 1.4 mi |
| #148871 | 115 kV | VIRGINIA ELECTRIC & POWER CO | IN SERVICE | 0.1 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP139200, 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 |
|---|---|---|---|---|---|---|---|
| BRAMBLETON | Substation-Adjacent | VA | Loudoun County | 500 kV | 1,000 MW | 5.1 yrs | 70.3 |
| CLIFTON | Substation-Adjacent | VA | Manassas Park city | 500 kV | 1,000 MW | 5.1 yrs | 69.6 |
| MOSBY | Substation-Adjacent | VA | Manassas Park city | 500 kV | 1,000 MW | 5.1 yrs | 69.3 |
| OX | Substation-Adjacent | VA | Fairfax County | 500 kV | 1,000 MW | 5.1 yrs | 69.0 |
| BRISTERS | Substation-Adjacent | VA | Prince William County | 500 kV | 1,000 MW | 5.1 yrs | 68.8 |
| UNKNOWN116662 | Substation-Adjacent | VA | Stafford County | 500 kV | 1,000 MW | 5.1 yrs | 68.5 |
| UNKNOWN116661 | Substation-Adjacent | VA | Stafford County | 230 kV | 300 MW | 5.1 yrs | 68.4 |
| MORRISVILLE | Substation-Adjacent | VA | Culpeper County | 500 kV | 1,000 MW | 5.1 yrs | 67.2 |
Who owns the transmission lines at TAP139200?
The 3 connected lines listed above are owned by VIRGINIA ELECTRIC & POWER CO. Line voltages range from 115 kV to 115 kV. Their combined recorded length is about 2.5 miles.
How do candidate sites near TAP139200 score?
The 8 highest-scoring candidate sites within about 25 miles range from 67 to 70 on the 0–100 DC Readiness scale. They fall in Loudoun County, Manassas Park city, Fairfax County, Prince William 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 TAP139200 substation?
TAP139200 has a maximum voltage of 115 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP139200 is at the national midpoint.
How many transmission lines connect to TAP139200 substation?
3 transmission lines terminate at or pass through TAP139200 in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 2.5 miles.
Who owns TAP139200 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP139200 belong to VIRGINIA ELECTRIC & POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP139200 substation located?
TAP139200 is in Virginia at 38.6266, -77.3089. The datacenter candidate sites closest to it are in Loudoun County, Manassas Park city, Fairfax County.
Are there datacenter candidate sites near TAP139200 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP139200. The highest-scoring is BRAMBLETON at 70/100. 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, “TAP139200 substation, Virginia”, https://gridcensus.com/substations/virginia/tap139200-803ac7d2 (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 TAP139200 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.