TAP171757
SubstationPennsylvania · WEST PENN POWER CO
At a glance
TAP171757 is an electric transmission substation in Pennsylvania, on WEST PENN POWER CO's transmission network. It is classified as unclassified 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 |
|---|---|---|---|---|
| #174297 | — | WEST PENN POWER CO | IN SERVICE | 1.8 mi |
| #174298 | — | WEST PENN POWER CO | IN SERVICE | 0.2 mi |
| #174299 | — | WEST PENN POWER CO | IN SERVICE | 0.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP171757, 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 |
|---|---|---|---|---|---|---|---|
| Forty West Landfill | Brownfield | MD | Washington | — | 2 MW | 5.3 yrs | 62.8 |
| RINGGOLD | Substation-Adjacent | MD | Washington County | 230 kV | 300 MW | 5.3 yrs | 59.5 |
| TAP140658 | Substation-Adjacent | WV | Washington County | 138 kV | 100 MW | 3.0 yrs | 58.6 |
| EC Coal Washington County | Greenfield | MD | Washington County | — | — | 5.3 yrs | 57.4 |
| EC Coal Huntingdon County | Greenfield | PA | Huntingdon County | — | — | 3.6 yrs | 57.1 |
| OZ Washington | Greenfield | MD | Washington | — | — | 5.3 yrs | 57.1 |
| EC Near Vitro Architectural Glass (PA) | Greenfield | PA | Cumberland | — | — | 3.6 yrs | 56.7 |
| UNKNOWN147908 | Substation-Adjacent | MD | Washington County | 138 kV | 100 MW | 5.3 yrs | 55.8 |
Who owns the transmission lines at TAP171757?
The 3 connected lines listed above are owned by WEST PENN POWER CO. Their combined recorded length is about 2.1 miles.
How do candidate sites near TAP171757 score?
The 8 highest-scoring candidate sites within about 25 miles range from 56 to 63 on the 0–100 DC Readiness scale. They fall in Washington, Washington County, Huntingdon County, Cumberland. The Pennsylvania average across 6,497 scored sites is 51.8. 886 of those Pennsylvania sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
How many transmission lines connect to TAP171757 substation?
3 transmission lines terminate at or pass through TAP171757 in the HIFLD line data. Together the listed lines cover about 2.1 miles.
Who owns TAP171757 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP171757 belong to WEST PENN POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP171757 substation located?
TAP171757 is in Pennsylvania at 39.9426, -77.6491. The datacenter candidate sites closest to it are in Washington, Washington County, Huntingdon County.
Are there datacenter candidate sites near TAP171757 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP171757. The highest-scoring is Forty West Landfill at 63/100. Across Pennsylvania, the average DC Readiness score is 51.8.
More in Pennsylvania
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, “TAP171757 substation, Pennsylvania”, https://gridcensus.com/substations/pennsylvania/tap171757-996d0f1b (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 TAP171757 substation, Pennsylvania 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.