TAP146720
SubstationPennsylvania · PENNSYLVANIA ELECTRIC CO
At a glance
TAP146720 is an electric transmission substation in Pennsylvania, on PENNSYLVANIA ELECTRIC 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 |
|---|---|---|---|---|
| #109589 | 115 kV | PENNSYLVANIA ELECTRIC CO | IN SERVICE | 0.0 mi |
| #116563 | 115 kV | PENNSYLVANIA ELECTRIC CO | IN SERVICE | 20.8 mi |
| #142083 | 115 kV | PENNSYLVANIA ELECTRIC CO | IN SERVICE | 0.2 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP146720, 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 |
|---|---|---|---|---|---|---|---|
| KEYSTONE | Substation-Adjacent | PA | Armstrong County | 500 kV | 1,000 MW | 3.6 yrs | 65.9 |
| UNKNOWN123696 | Substation-Adjacent | PA | Armstrong County | 500 kV | 1,000 MW | 3.6 yrs | 65.8 |
| UNKNOWN123478 | Substation-Adjacent | PA | Armstrong County | 345 kV | 600 MW | 3.6 yrs | 64.4 |
| EC Coal Armstrong County | Greenfield | PA | Armstrong County | — | — | 3.6 yrs | 62.5 |
| EC Coal Armstrong County | Greenfield | PA | Armstrong County | — | — | 3.6 yrs | 62.1 |
| EC Coal Westmoreland County | Greenfield | PA | Westmoreland County | — | — | 3.6 yrs | 60.8 |
| UNKNOWN123697 | Substation-Adjacent | PA | Indiana County | 230 kV | 300 MW | 3.6 yrs | 59.9 |
| EC Coal Indiana County | Greenfield | PA | Indiana County | — | — | 3.6 yrs | 59.9 |
Who owns the transmission lines at TAP146720?
The 3 connected lines listed above are owned by PENNSYLVANIA ELECTRIC CO. Line voltages range from 115 kV to 115 kV. Their combined recorded length is about 21 miles.
How do candidate sites near TAP146720 score?
The 8 highest-scoring candidate sites within about 25 miles range from 60 to 66 on the 0–100 DC Readiness scale. They fall in Armstrong County, Westmoreland County, Indiana County. 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
What voltage is TAP146720 substation?
TAP146720 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 TAP146720 is at the national midpoint.
How many transmission lines connect to TAP146720 substation?
3 transmission lines terminate at or pass through TAP146720 in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 21 miles.
Who owns TAP146720 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP146720 belong to PENNSYLVANIA ELECTRIC CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP146720 substation located?
TAP146720 is in Pennsylvania at 40.9675, -79.1861. The datacenter candidate sites closest to it are in Armstrong County, Westmoreland County, Indiana County.
Are there datacenter candidate sites near TAP146720 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP146720. The highest-scoring is KEYSTONE at 66/100. 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, “TAP146720 substation, Pennsylvania”, https://gridcensus.com/substations/pennsylvania/tap146720-60a46c24 (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 TAP146720 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.