EAST CALVERT
SubstationKentucky
At a glance
EAST CALVERT is an electric transmission substation in Kentucky. It is classified as sub-transmission (138 kv) and connects 2 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 |
|---|---|---|---|---|
| #112487 | 161 kV | — | IN SERVICE | 5.0 mi |
| #116350 | 161 kV | — | IN SERVICE | 1.8 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of EAST CALVERT, 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 |
|---|---|---|---|---|---|---|---|
| MARSHALL | Substation-Adjacent | KY | Marshall County | 500 kV | 1,000 MW | 4.3 yrs | 68.2 |
| UNKNOWN155604 | Substation-Adjacent | KY | McCracken County | 161 kV | 100 MW | 3.9 yrs | 64.2 |
| EC Near Shawnee | Greenfield | KY | McCracken | — | — | 4.3 yrs | 63.6 |
| UNKNOWN122858 | Substation-Adjacent | KY | McCracken County | 161 kV | 100 MW | 3.9 yrs | 63.4 |
| UNKNOWN122859 | Substation-Adjacent | KY | McCracken County | 161 kV | 100 MW | 3.9 yrs | 63.3 |
| EC FFE Graves County | Greenfield | KY | Graves County | — | — | 3.9 yrs | 62.6 |
| OZ Graves | Greenfield | KY | Graves | — | — | 3.9 yrs | 61.6 |
| TAP169246 | Substation-Adjacent | KY | McCracken County | 69 kV | 50 MW | 3.9 yrs | 61.5 |
How does EAST CALVERT compare with other substations in Kentucky?
Kentucky has 2,070 substation records in HIFLD, of which 190 carry a station name; the rest are unnamed tap points, risers and line ends. 102 named substations in the state are in EAST CALVERT's 115–229 kV band (54% of named stations). 19 sit in a higher band. 19 named substations in Kentucky operate at 345 kV or above. The highest voltage recorded in the state is 765 kV, and the state median is 138 kV.
How do candidate sites near EAST CALVERT score?
The 8 highest-scoring candidate sites within about 25 miles range from 62 to 68 on the 0–100 DC Readiness scale. They fall in Marshall County, McCracken County, McCracken, Graves 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 EAST CALVERT substation?
EAST CALVERT has a maximum voltage of 161 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so EAST CALVERT is above the national midpoint.
How many transmission lines connect to EAST CALVERT substation?
2 transmission lines terminate at or pass through EAST CALVERT in the HIFLD line data. The connected lines listed here run at 161 kV. Together the listed lines cover about 6.8 miles.
Where is EAST CALVERT substation located?
EAST CALVERT is in Kentucky at 37.0451, -88.3306. The datacenter candidate sites closest to it are in Marshall County, McCracken County, McCracken.
Are there datacenter candidate sites near EAST CALVERT substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of EAST CALVERT. The highest-scoring is MARSHALL at 68/100. Across Kentucky, the average DC Readiness score is 52.8.
Other 161 kV substations in Kentucky
- REID· 15 lines
- SUMMER SHADE· 13 lines
- GREEN RIVER· 11 lines
- KENTUCKY DAM· 11 lines
- BOWLING GREEN· 10 lines
- C-33 (DOE)· 10 lines
- HOPKINSVILLE· 10 lines
- MAYFIELD· 9 lines
- All named substations in Kentucky· 190 stations
- Datacenter candidate sites in Kentucky· 7,741 sites
- Brownfield and retired plant sites in Kentucky
- Substations by state
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, “EAST CALVERT substation, Kentucky”, https://gridcensus.com/substations/kentucky/east-calvert-51731c26 (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 EAST CALVERT 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.