TAP139209
SubstationVirginia · VIRGINIA ELECTRIC & POWER CO
At a glance
TAP139209 is an electric transmission substation in Virginia, on VIRGINIA ELECTRIC & POWER CO's transmission network. It is classified as high-voltage (230 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 |
|---|---|---|---|---|
| #106174 | 230 kV | VIRGINIA ELECTRIC & POWER CO | IN SERVICE | 4.1 mi |
| #138320 | 230 kV | VIRGINIA ELECTRIC & POWER CO | IN SERVICE | 0.1 mi |
| #141771 | 230 kV | VIRGINIA ELECTRIC & POWER CO | IN SERVICE | 4.5 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP139209, 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 |
| GOOSE CREEK | Substation-Adjacent | VA | Loudoun County | 500 kV | 1,000 MW | 5.1 yrs | 69.9 |
| 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 |
Who owns the transmission lines at TAP139209?
The 3 connected lines listed above are owned by VIRGINIA ELECTRIC & POWER CO. Line voltages range from 230 kV to 230 kV. Their combined recorded length is about 8.7 miles.
How do candidate sites near TAP139209 score?
The 8 highest-scoring candidate sites within about 25 miles range from 68 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 TAP139209 substation?
TAP139209 has a maximum voltage of 230 kV. That places it in the 230–344 kV band. The median named US substation in this dataset is 115 kV, so TAP139209 is above the national midpoint.
How many transmission lines connect to TAP139209 substation?
3 transmission lines terminate at or pass through TAP139209 in the HIFLD line data. The connected lines listed here run at 230 kV. Together the listed lines cover about 8.7 miles.
Who owns TAP139209 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP139209 belong to VIRGINIA ELECTRIC & POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP139209 substation located?
TAP139209 is in Virginia at 38.8584, -77.5092. The datacenter candidate sites closest to it are in Loudoun County, Manassas Park city, Fairfax County.
Are there datacenter candidate sites near TAP139209 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP139209. 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, “TAP139209 substation, Virginia”, https://gridcensus.com/substations/virginia/tap139209-808b2d6b (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 TAP139209 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.