TAP121270
SubstationKentucky · KENTUCKY POWER CO
At a glance
TAP121270 is an electric transmission substation in Kentucky, on KENTUCKY POWER 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 |
|---|---|---|---|---|
| #127448 | 69 kV | — | IN SERVICE | 8.3 mi |
| #140863 | 69 kV | — | IN SERVICE | 1.3 mi |
| #141791 | 69 kV | KENTUCKY POWER CO | IN SERVICE | 3.3 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP121270, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN113593 | Substation-Adjacent | OH | Greenup County | 765 kV | 1,000 MW | 5.2 yrs | 65.2 |
| EC Coal Johnson County | Greenfield | KY | Johnson County | — | — | 4.7 yrs | 59.4 |
| EC FFE Morgan County | Greenfield | KY | Morgan County | — | — | 4.7 yrs | 59.2 |
| EC Coal Greenup County | Greenfield | KY | Greenup County | — | — | 4.7 yrs | 58.8 |
| EC Coal Greenup County | Greenfield | KY | Greenup County | — | — | 4.7 yrs | 58.0 |
| UNKNOWN121266 | Substation-Adjacent | KY | Boyd County | 138 kV | 100 MW | 4.7 yrs | 57.9 |
| EC Coal Boyd County | Greenfield | KY | Boyd County | — | — | 4.7 yrs | 57.8 |
| EC Coal Carter County | Greenfield | KY | Carter County | — | — | 4.7 yrs | 57.1 |
Who owns the transmission lines at TAP121270?
The 3 connected lines listed above are owned by KENTUCKY POWER CO. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 12.9 miles.
How do candidate sites near TAP121270 score?
The 8 highest-scoring candidate sites within about 25 miles range from 57 to 65 on the 0–100 DC Readiness scale. They fall in Greenup County, Johnson County, Morgan County, Boyd County. 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 TAP121270 substation?
TAP121270 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 TAP121270 is below the national midpoint.
How many transmission lines connect to TAP121270 substation?
3 transmission lines terminate at or pass through TAP121270 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 12.9 miles.
Who owns TAP121270 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP121270 belong to KENTUCKY POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP121270 substation located?
TAP121270 is in Kentucky at 38.2932, -83.1259. The datacenter candidate sites closest to it are in Greenup County, Johnson County, Morgan County.
Are there datacenter candidate sites near TAP121270 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP121270. The highest-scoring is UNKNOWN113593 at 65/100. 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, “TAP121270 substation, Kentucky”, https://gridcensus.com/substations/kentucky/tap121270-a3ca2c7c (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 TAP121270 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.