TAP170520
SubstationKentucky
At a glance
TAP170520 is an electric transmission substation in Kentucky. 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
No owner is recorded for the lines that connect here.
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #172348 | — | — | IN SERVICE | 1.3 mi |
| #172350 | — | — | IN SERVICE | 0.4 mi |
| #175646 | — | — | IN SERVICE | 0.1 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP170520, 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 |
|---|---|---|---|---|---|---|---|
| MONTGOMERY | Substation-Adjacent | TN | Montgomery County | 500 kV | 1,000 MW | 3.9 yrs | 71.4 |
| CUMBERLAND 500KV | Substation-Adjacent | TN | Houston County | 500 kV | 1,000 MW | 3.9 yrs | 68.8 |
| UNKNOWN156877 | Substation-Adjacent | KY | Christian County | 161 kV | 100 MW | 3.9 yrs | 65.8 |
| CASKY | Substation-Adjacent | KY | Christian County | 161 kV | 100 MW | 3.9 yrs | 65.5 |
| COMMERCE PARK | Substation-Adjacent | KY | Christian County | 161 kV | 100 MW | 3.9 yrs | 64.6 |
| OZ Montgomery | Greenfield | TN | Montgomery | — | — | 3.9 yrs | 64.4 |
| HOPKINSVILLE | Substation-Adjacent | KY | Christian County | 161 kV | 100 MW | 3.9 yrs | 64.4 |
| EC FFE Todd County | Greenfield | KY | Todd County | — | — | 3.9 yrs | 63.7 |
How do candidate sites near TAP170520 score?
The 8 highest-scoring candidate sites within about 25 miles range from 64 to 71 on the 0–100 DC Readiness scale. They fall in Montgomery County, Houston County, Christian County, Montgomery. 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
How many transmission lines connect to TAP170520 substation?
3 transmission lines terminate at or pass through TAP170520 in the HIFLD line data. Together the listed lines cover about 1.8 miles.
Where is TAP170520 substation located?
TAP170520 is in Kentucky at 36.6456, -87.4463. The datacenter candidate sites closest to it are in Montgomery County, Houston County, Christian County.
Are there datacenter candidate sites near TAP170520 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP170520. The highest-scoring is MONTGOMERY at 71/100. 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, “TAP170520 substation, Kentucky”, https://gridcensus.com/substations/kentucky/tap170520-c91297cf (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 TAP170520 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.