TAP141178
SubstationPennsylvania
At a glance
TAP141178 is an electric transmission substation in Pennsylvania. 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
Ownership & operation
Operator not catalogued for this substation.
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP141178, 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 |
|---|---|---|---|---|---|---|---|
| THREE MILE ISLAND | Substation-Adjacent | PA | York County | 500 kV | 1,000 MW | 3.6 yrs | 63.4 |
| UNKNOWN123462 | Substation-Adjacent | PA | Adams County | 500 kV | 1,000 MW | 3.6 yrs | 63.0 |
| JUNIATA | Substation-Adjacent | PA | Perry County | 500 kV | 1,000 MW | 3.6 yrs | 62.5 |
| UNKNOWN124218 | Substation-Adjacent | PA | Cumberland County | 230 kV | 300 MW | 3.6 yrs | 61.1 |
| BRUNNER ISLAND | Substation-Adjacent | PA | York County | 230 kV | 300 MW | 3.6 yrs | 60.2 |
| UNKNOWN123405 | Substation-Adjacent | PA | Dauphin County | 230 kV | 300 MW | 3.6 yrs | 60.1 |
| HUMMELSTOWN | Substation-Adjacent | PA | Dauphin County | 230 kV | 300 MW | 3.6 yrs | 60.1 |
| OZ Lancaster | Greenfield | PA | Lancaster | — | — | 3.6 yrs | 60.0 |
How do candidate sites near TAP141178 score?
The 8 highest-scoring candidate sites within about 25 miles range from 60 to 63 on the 0–100 DC Readiness scale. They fall in York County, Adams County, Perry County, Cumberland 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 TAP141178 substation?
TAP141178 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 TAP141178 is below the national midpoint.
How many transmission lines connect to TAP141178 substation?
3 transmission lines terminate at or pass through TAP141178 in the HIFLD line data.
Where is TAP141178 substation located?
TAP141178 is in Pennsylvania at 40.2406, -76.8515. The datacenter candidate sites closest to it are in York County, Adams County, Perry County.
Are there datacenter candidate sites near TAP141178 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP141178. The highest-scoring is THREE MILE ISLAND 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, “TAP141178 substation, Pennsylvania”, https://gridcensus.com/substations/pennsylvania/tap141178-40f1ede5 (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 TAP141178 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.