Skip to content
Gridcensus

Electric Substations in Kentucky

190 named substations in Kentucky, with the highest-voltage facilities listed first. Each substation profile shows voltage class, connected transmission lines, and the datacenter candidate sites closest to it.

At a glance

Kentucky has 2,070 electric substation records in the HIFLD dataset, 190 of them with a station name (the other 1,880 are unnamed tap points, risers and line ends). 19 named substations operate at 345 kV or above, 5 of them at 500 kV or more. The highest recorded voltage is 765 kV and the median is 138 kV.

How is Kentucky's substation network split by voltage?

By maximum voltage, the named substations break down as 5 at 500 kV and above; 14 at 345–499 kV; 102 at 115–229 kV; 57 at 69–114 kV; 5 below 69 kV; 7 withvoltage not recorded. 10% of Kentucky's named substations operate at 345 kV or above, against 8% across all 16,654 named US substations. The state median of 138 kV is above the national median of 115 kV.

How does Kentucky compare with other states?

Kentucky ranks 23rd of 50 states and DC by number of named substations and 26th by named substations at 345 kV or above. It also has 7,741 scored datacenter candidate sites with an average DC Readiness score of 51.8 (national average 53), and an average power sub-score of 33.4 against 37.4 nationally. Most of those sites (5,088) are in the PJM market.

Which substations in Kentucky have the highest voltage?

SubstationMax voltageConnected linesLine owner
BAKER765 kV8KENTUCKY POWER CO
MARSHALL500 kV11—
PARADISE500 kV13TENNESSEE VALLEY AUTHORITY
PINEVILLE500 kV10KENTUCKY UTILITIES CO
SHAWNEE500 kV17KENTUCKY UTILITIES CO
BROWN PLANT345 kV14KENTUCKY UTILITIES CO
CANE RUN345 kV7LOUISVILLE GAS & ELECTRIC CO
CANE RUN SWITCHING345 kV13LOUISVILLE GAS & ELECTRIC CO
DAVIESS COUNTY345 kV4KENTUCKY UTILITIES CO
GALLATIN345 kV2EAST KENTUCKY POWER COOP, INC
GHENT STATION345 kV13KENTUCKY UTILITIES CO
HARDIN345 kV8KENTUCKY UTILITIES CO
J K SMITH (345 KV)345 kV3EAST KENTUCKY POWER COOP, INC
MIDDLETOWN 345 KV345 kV6LOUISVILLE GAS & ELECTRIC CO
MILL CREEK STATION345 kV9LOUISVILLE GAS & ELECTRIC CO
SILVER GROVE345 kV6DUKE ENERGY KENTUCKY
TRIMBLE COUNTY STATION345 kV8EAST KENTUCKY POWER COOP, INC
WEST GARRARD345 kV3EAST KENTUCKY POWER COOP, INC
WILSON345 kV7KENTUCKY UTILITIES CO
ABERDEEN161 kV2TENNESSEE VALLEY AUTHORITY
ADAIRVILLE161 kV3TENNESSEE VALLEY AUTHORITY
ARNOLD161 kV5KENTUCKY UTILITIES CO
BARKLEY161 kV8TENNESSEE VALLEY AUTHORITY
BENTON161 kV1TENNESSEE VALLEY AUTHORITY
BOWLING GREEN161 kV10TENNESSEE VALLEY AUTHORITY
BRISTOW161 kV2TENNESSEE VALLEY AUTHORITY
C-33 (DOE)161 kV10KENTUCKY UTILITIES CO
C-35 (DOE)161 kV5GRIDLIANCE
CADIZ161 kV5TENNESSEE VALLEY AUTHORITY
CALVERT161 kV6—
CAMPGROUND161 kV6LOUISVILLE GAS & ELECTRIC CO
CASKY161 kV5TENNESSEE VALLEY AUTHORITY
CLINTON161 kV4TENNESSEE VALLEY AUTHORITY
COMMERCE PARK161 kV2TENNESSEE VALLEY AUTHORITY
EAST BOWLING GREEN161 kV6TENNESSEE VALLEY AUTHORITY
EAST CALVERT161 kV2—
FRANKLIN161 kV3TENNESSEE VALLEY AUTHORITY
FRUITHILL161 kV2TENNESSEE VALLEY AUTHORITY
GLASLOW161 kV3EAST KENTUCKY POWER COOP, INC
GOLO161 kV2TENNESSEE VALLEY AUTHORITY
GRAHAMVILLE161 kV7KENTUCKY UTILITIES CO
GREEN RIVER161 kV11KENTUCKY UTILITIES CO
HARDIN161 kV2TENNESSEE VALLEY AUTHORITY
HARLAN Y161 kV6KENTUCKY UTILITIES CO
HAZARD161 kV6KENTUCKY POWER CO
HOPKINSVILLE161 kV10TENNESSEE VALLEY AUTHORITY
HOPSON161 kV2TENNESSEE VALLEY AUTHORITY
JASON161 kV3TENNESSEE VALLEY AUTHORITY
KENTUCKY DAM161 kV11TENNESSEE VALLEY AUTHORITY
LESLIE161 kV4KENTUCKY POWER CO
LEWISBURG161 kV2TENNESSEE VALLEY AUTHORITY
LIVINGSTON COUNTY161 kV5AMEREN ILLINOIS COMPANY
LOGAN ALUMINUM161 kV1TENNESSEE VALLEY AUTHORITY
LOST CITY161 kV5TENNESSEE VALLEY AUTHORITY
MARION161 kV3KENTUCKY UTILITIES CO
MAYFIELD161 kV9TENNESSEE VALLEY AUTHORITY
MCCREARY COUNTY161 kV4EAST KENTUCKY POWER COOP, INC
MEADE COUNTY161 kV6—
MEMPHIS JUNCTION161 kV3TENNESSEE VALLEY AUTHORITY
MOSCOW SOUTH WEST STATION161 kV1TENNESSEE VALLEY AUTHORITY

Every named substation in Kentucky

All 190 named substations, grouped by voltage band.

Frequently asked questions

How many electric substations are in Kentucky?

HIFLD records 2,070 substations in Kentucky, of which 190 carry a station name. That is the 23rd-most named substations of any state in the dataset.

What is the highest-voltage substation in Kentucky?

BAKER is the highest-voltage named substation in Kentucky, at 765 kV.

Which substation in Kentucky connects the most transmission lines?

SHAWNEE has the most connected transmission lines of the named substations listed here, with 17 at up to 500 kV.

How many substations in Kentucky are 345 kV or higher?

19 of 190 named substations (10%) operate at 345 kV or above, compared with 8% nationally. Kentucky ranks 26th of 50 states and DC for named substations at that level.

How many datacenter candidate sites in Kentucky are at substations?

1,261 of the 7,741 scored candidate sites in Kentucky are substation sites — locations generated at an existing substation. Scored sites across Kentucky average 51.8 on the 0–100 DC Readiness scale, against 53 nationally.

Looking for a specific record? The directory lists every substation in Kentucky, A to Z.

More on Kentucky, and states with similar counts

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, “Electric substations in Kentucky”, https://gridcensus.com/substations/kentucky (data as of June 29, 2026).

Dataset updated . Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for substations in 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.