CARROLLTON
SubstationIndiana · KENTUCKY UTILITIES CO
CARROLLTON is an electric transmission substation in Indiana, operated by KENTUCKY UTILITIES CO. It is classified as sub-transmission (138 kv) and connects 4 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 |
|---|---|---|---|---|
| #9556 | 138 kV | — | IN SERVICE | 17.1 mi |
| #12162 | 138 kV | — | IN SERVICE | 17.1 mi |
| #16510 | 138 kV | KENTUCKY UTILITIES CO | IN SERVICE | 4.4 mi |
| #30091 | 138 kV | KENTUCKY UTILITIES CO | IN SERVICE | 38.6 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of CARROLLTON, 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 |
|---|---|---|---|---|---|---|---|
| HANGING ROCK | Substation-Adjacent | IN | Jefferson County | 765 kV | 1,000 MW | 3.0 yrs | 74.9 |
| GHENT STATION | Substation-Adjacent | IN | Switzerland County | 345 kV | 600 MW | 3.0 yrs | 71.8 |
| UNKNOWN129047 | Substation-Adjacent | KY | Franklin County | 345 kV | 600 MW | 3.0 yrs | 71.6 |
| UNKNOWN125224 | Substation-Adjacent | KY | Oldham County | 138 kV | 100 MW | 3.0 yrs | 70.4 |
| UNKNOWN140311 | Substation-Adjacent | KY | Trimble County | 345 kV | 600 MW | 3.0 yrs | 70.2 |
| Greenfield (MIDDLETOWN 345 KV - TRIMBLE CO) | Greenfield | KY | Oldham County | 345 kV | 600 MW | 3.0 yrs | 67.8 |
| CLIFTY CREEK | Substation-Adjacent | KY | Carroll County | 345 kV | 600 MW | 3.0 yrs | 67.8 |
| BLUEGRASS GENERATING STATION | Substation-Adjacent | KY | Oldham County | 345 kV | 600 MW | 3.0 yrs | 67.6 |
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
This page shows a public slice of the GridCensus dataset for CARROLLTON substation, Indiana. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.