TAP138512
SubstationNew Jersey · JERSEY CENTRAL POWER & LT CO
At a glance
TAP138512 is an electric transmission substation in New Jersey, on JERSEY CENTRAL POWER & LT 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
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 |
|---|---|---|---|---|
| #118794 | — | JERSEY CENTRAL POWER & LT CO | IN SERVICE | 6.4 mi |
| #143802 | — | JERSEY CENTRAL POWER & LT CO | IN SERVICE | 18.7 mi |
| #148419 | — | JERSEY CENTRAL POWER & LT CO | IN SERVICE | 1.3 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP138512, 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 |
|---|---|---|---|---|---|---|---|
| BRANCHBURG | Substation-Adjacent | NJ | Somerset County | 500 kV | 1,000 MW | 2.7 yrs | 68.6 |
| UNKNOWN123737 | Substation-Adjacent | PA | Northampton County | 500 kV | 1,000 MW | 3.6 yrs | 66.4 |
| Hopatcong Landfill Solar | Brownfield | NJ | Morris | 500 kV | 2 MW | 2.7 yrs | 65.4 |
| UNKNOWN132302 | Substation-Adjacent | NJ | Sussex County | 230 kV | 300 MW | 2.7 yrs | 65.0 |
| UNKNOWN132267 | Substation-Adjacent | NJ | Somerset County | 230 kV | 300 MW | 2.7 yrs | 64.8 |
| 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 |
| GILBERT | Substation-Adjacent | NJ | Hunterdon County | 230 kV | 300 MW | 2.7 yrs | 63.5 |
Who owns the transmission lines at TAP138512?
The 3 connected lines listed above are owned by JERSEY CENTRAL POWER & LT CO. Their combined recorded length is about 26.4 miles.
How do candidate sites near TAP138512 score?
The 8 highest-scoring candidate sites within about 25 miles range from 64 to 69 on the 0–100 DC Readiness scale. They fall in Somerset County, Northampton County, Morris, Sussex County. The New Jersey average across 1,055 scored sites is 55.2. 160 of those New Jersey sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
How many transmission lines connect to TAP138512 substation?
3 transmission lines terminate at or pass through TAP138512 in the HIFLD line data. Together the listed lines cover about 26.4 miles.
Who owns TAP138512 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP138512 belong to JERSEY CENTRAL POWER & LT CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP138512 substation located?
TAP138512 is in New Jersey at 40.8264, -75.0504. The datacenter candidate sites closest to it are in Somerset County, Northampton County, Morris.
Are there datacenter candidate sites near TAP138512 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP138512. The highest-scoring is BRANCHBURG at 69/100. Across New Jersey, the average DC Readiness score is 55.2.
More in New Jersey
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, “TAP138512 substation, New Jersey”, https://gridcensus.com/substations/new-jersey/tap138512-2c9e3c8d (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 TAP138512 substation, New Jersey 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.