FMC
SubstationKansas · WESTAR ENERGY INC
At a glance
FMC is an electric transmission substation in Kansas, on WESTAR ENERGY INC's transmission network. It is classified as distribution (69–115 kv) and connects 1 transmission line. 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 |
|---|---|---|---|---|
| #133180 | 69 kV | WESTAR ENERGY INC | IN SERVICE | 0.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of FMC, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN118616 | Substation-Adjacent | KS | Johnson County | 345 kV | 600 MW | 4.3 yrs | 67.2 |
| WEST GARDNER | Substation-Adjacent | KS | Johnson County | 345 kV | 600 MW | 4.3 yrs | 65.6 |
| STRANGER CREEK | Substation-Adjacent | KS | Leavenworth County | 345 kV | 600 MW | 4.3 yrs | 63.0 |
| UNKNOWN118157 | Substation-Adjacent | KS | Johnson County | 161 kV | 100 MW | 4.3 yrs | 61.8 |
| UNKNOWN119028 | Substation-Adjacent | KS | Douglas County | 230 kV | 300 MW | 4.3 yrs | 61.8 |
| OZ Douglas | Greenfield | KS | Douglas | — | — | 4.3 yrs | 61.6 |
| TECUMSEH HILL | Substation-Adjacent | KS | Shawnee County | 230 kV | 300 MW | 4.3 yrs | 61.6 |
| UNKNOWN118095 | Substation-Adjacent | KS | Douglas County | 230 kV | 300 MW | 4.3 yrs | 61.5 |
How does FMC compare with other substations in Kansas?
Kansas has 1,157 substation records in HIFLD, of which 45 carry a station name; the rest are unnamed tap points, risers and line ends. 2 named substations in the state are in FMC's 69–114 kV band (4% of named stations). 42 sit in a higher band. 27 named substations in Kansas operate at 345 kV or above. The highest voltage recorded in the state is 345 kV, and the state median is 345 kV.
Who owns the transmission lines at FMC?
The 1 connected line listed above is owned by WESTAR ENERGY INC. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 0 miles.
How do candidate sites near FMC score?
The 8 highest-scoring candidate sites within about 25 miles range from 62 to 67 on the 0–100 DC Readiness scale. They fall in Johnson County, Leavenworth County, Douglas County, Douglas. The Kansas average across 2,352 scored sites is 53.2. 730 of those Kansas sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is FMC substation?
FMC 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 FMC is below the national midpoint.
How many transmission lines connect to FMC substation?
1 transmission line terminate at or pass through FMC in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 0 miles.
Who owns FMC substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at FMC belong to WESTAR ENERGY INC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is FMC substation located?
FMC is in Kansas at 38.9792, -95.2139. The datacenter candidate sites closest to it are in Johnson County, Leavenworth County, Douglas County.
Are there datacenter candidate sites near FMC substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of FMC. The highest-scoring is UNKNOWN118616 at 67/100. Across Kansas, the average DC Readiness score is 53.2.
Other 69 kV substations in Kansas
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, “FMC substation, Kansas”, https://gridcensus.com/substations/kansas/fmc-3970d10e (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 FMC substation, Kansas 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.