TAP138485
SubstationPennsylvania · METROPOLITAN EDISON CO
At a glance
TAP138485 is an electric transmission substation in Pennsylvania, on METROPOLITAN EDISON CO's transmission network. 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #104947 | 69 kV | METROPOLITAN EDISON CO | IN SERVICE | 0.1 mi |
| #110684 | 69 kV | METROPOLITAN EDISON CO | IN SERVICE | 1.6 mi |
| #118598 | 69 kV | METROPOLITAN EDISON CO | IN SERVICE | 11.7 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP138485, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN171809 | Substation-Adjacent | PA | Lehigh County | 500 kV | 1,000 MW | 3.6 yrs | 68.3 |
| ALBURTIS | Substation-Adjacent | PA | Lehigh County | 500 kV | 1,000 MW | 3.6 yrs | 67.0 |
| WESCOSVILLE | Substation-Adjacent | PA | Lehigh County | 500 kV | 1,000 MW | 3.6 yrs | 67.0 |
| HOSENSACK | Substation-Adjacent | PA | Lehigh County | 500 kV | 1,000 MW | 3.6 yrs | 66.7 |
| UNKNOWN123737 | Substation-Adjacent | PA | Northampton County | 500 kV | 1,000 MW | 3.6 yrs | 66.4 |
| Palmerton Zinc Pile | Brownfield | PA | Carbon | — | 0 MW | 3.6 yrs | 63.9 |
| MARTINS CREEK | Substation-Adjacent | PA | Warren County | 230 kV | 300 MW | 3.6 yrs | 63.8 |
| PORTLAND STATION | Substation-Adjacent | PA | Warren County | 230 kV | 300 MW | 3.6 yrs | 63.6 |
Who owns the transmission lines at TAP138485?
The 3 connected lines listed above are owned by METROPOLITAN EDISON CO. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 13.4 miles.
How do candidate sites near TAP138485 score?
The 8 highest-scoring candidate sites within about 25 miles range from 64 to 68 on the 0–100 DC Readiness scale. They fall in Lehigh County, Northampton County, Carbon, Warren 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 TAP138485 substation?
TAP138485 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 TAP138485 is below the national midpoint.
How many transmission lines connect to TAP138485 substation?
3 transmission lines terminate at or pass through TAP138485 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 13.4 miles.
Who owns TAP138485 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP138485 belong to METROPOLITAN EDISON CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP138485 substation located?
TAP138485 is in Pennsylvania at 40.7674, -75.3031. The datacenter candidate sites closest to it are in Lehigh County, Northampton County, Carbon.
Are there datacenter candidate sites near TAP138485 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP138485. The highest-scoring is UNKNOWN171809 at 68/100. 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, “TAP138485 substation, Pennsylvania”, https://gridcensus.com/substations/pennsylvania/tap138485-13385e4d (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 TAP138485 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.