TAP156077
SubstationKentucky · LOUISVILLE GAS & ELECTRIC CO
At a glance
TAP156077 is an electric transmission substation in Kentucky, on LOUISVILLE GAS & ELECTRIC CO's transmission network. It is classified as sub-transmission (138 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 |
|---|---|---|---|---|
| #156518 | 138 kV | LOUISVILLE GAS & ELECTRIC CO | IN SERVICE | 1.6 mi |
| #156816 | 138 kV | LOUISVILLE GAS & ELECTRIC CO | IN SERVICE | 1.5 mi |
| #158459 | 138 kV | LOUISVILLE GAS & ELECTRIC CO | IN SERVICE | 6.4 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP156077, 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 |
|---|---|---|---|---|---|---|---|
| CANE RUN | Substation-Adjacent | KY | Floyd County | 345 kV | 600 MW | 3.9 yrs | 72.2 |
| MIDDLETOWN 345 KV | Substation-Adjacent | KY | Jefferson County | 345 kV | 600 MW | 3.9 yrs | 70.0 |
| MILL CREEK STATION | Substation-Adjacent | KY | Bullitt County | 345 kV | 600 MW | 3.9 yrs | 69.9 |
| UNKNOWN124909 | Substation-Adjacent | IN | Floyd County | 230 kV | 300 MW | 3.0 yrs | 69.5 |
| CANE RUN SWITCHING | Substation-Adjacent | KY | Floyd County | 345 kV | 600 MW | 3.9 yrs | 68.9 |
| EC Near Zorn | Greenfield | KY | Jefferson | — | — | 3.9 yrs | 67.6 |
| OZ Jefferson | Greenfield | KY | Jefferson | — | — | 3.9 yrs | 67.2 |
| PADDYS WEST | Substation-Adjacent | IN | Floyd County | 345 kV | 600 MW | 3.0 yrs | 67.0 |
Who owns the transmission lines at TAP156077?
The 3 connected lines listed above are owned by LOUISVILLE GAS & ELECTRIC CO. Line voltages range from 138 kV to 138 kV. Their combined recorded length is about 9.5 miles.
How do candidate sites near TAP156077 score?
The 8 highest-scoring candidate sites within about 25 miles range from 67 to 72 on the 0–100 DC Readiness scale. They fall in Floyd County, Jefferson County, Bullitt County, Jefferson. The Kentucky average across 7,741 scored sites is 52.8. 1,261 of those Kentucky sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is TAP156077 substation?
TAP156077 has a maximum voltage of 138 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP156077 is above the national midpoint.
How many transmission lines connect to TAP156077 substation?
3 transmission lines terminate at or pass through TAP156077 in the HIFLD line data. The connected lines listed here run at 138 kV. Together the listed lines cover about 9.5 miles.
Who owns TAP156077 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP156077 belong to LOUISVILLE GAS & ELECTRIC CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP156077 substation located?
TAP156077 is in Kentucky at 38.1577, -85.8286. The datacenter candidate sites closest to it are in Floyd County, Jefferson County, Bullitt County.
Are there datacenter candidate sites near TAP156077 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP156077. The highest-scoring is CANE RUN at 72/100. Across Kentucky, the average DC Readiness score is 52.8.
More in Kentucky
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, “TAP156077 substation, Kentucky”, https://gridcensus.com/substations/kentucky/tap156077-db9c2f17 (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 TAP156077 substation, Kentucky 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.