TAP138818
SubstationKansas · WESTAR ENERGY INC
At a glance
TAP138818 is an electric transmission substation in Kansas, on WESTAR ENERGY INC's transmission network. It is classified as sub-transmission (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 |
|---|---|---|---|---|
| #134310 | 115 kV | WESTAR ENERGY INC | IN SERVICE | 6.5 mi |
| #138693 | 115 kV | WESTAR ENERGY INC | IN SERVICE | 9.8 mi |
| #141508 | 115 kV | WESTAR ENERGY INC | IN SERVICE | 0.1 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP138818, 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 |
|---|---|---|---|---|---|---|---|
| STRANGER CREEK | Substation-Adjacent | KS | Leavenworth County | 345 kV | 600 MW | 4.3 yrs | 63.0 |
| UNKNOWN119028 | Substation-Adjacent | KS | Douglas County | 230 kV | 300 MW | 4.3 yrs | 61.8 |
| TECUMSEH HILL | Substation-Adjacent | KS | Shawnee County | 230 kV | 300 MW | 4.3 yrs | 61.6 |
| OZ Douglas | Greenfield | KS | Douglas | — | — | 4.3 yrs | 61.6 |
| UNKNOWN118095 | Substation-Adjacent | KS | Douglas County | 230 kV | 300 MW | 4.3 yrs | 61.5 |
| EC Coal Douglas County | Greenfield | KS | Douglas County | — | — | 4.3 yrs | 61.3 |
| SWISSVALE | Substation-Adjacent | KS | Osage County | 345 kV | 600 MW | 4.3 yrs | 61.1 |
| EC Coal Douglas County | Greenfield | KS | Douglas County | — | — | 4.3 yrs | 60.7 |
Who owns the transmission lines at TAP138818?
The 3 connected lines listed above are owned by WESTAR ENERGY INC. Line voltages range from 115 kV to 115 kV. Their combined recorded length is about 16.4 miles.
How do candidate sites near TAP138818 score?
The 8 highest-scoring candidate sites within about 25 miles range from 61 to 63 on the 0–100 DC Readiness scale. They fall in Leavenworth County, Douglas County, Shawnee 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 TAP138818 substation?
TAP138818 has a maximum voltage of 115 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP138818 is at the national midpoint.
How many transmission lines connect to TAP138818 substation?
3 transmission lines terminate at or pass through TAP138818 in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 16.4 miles.
Who owns TAP138818 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP138818 belong to WESTAR ENERGY INC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP138818 substation located?
TAP138818 is in Kansas at 38.9770, -95.4294. The datacenter candidate sites closest to it are in Leavenworth County, Douglas County, Shawnee County.
Are there datacenter candidate sites near TAP138818 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP138818. The highest-scoring is STRANGER CREEK at 63/100. Across Kansas, the average DC Readiness score is 53.2.
More 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, “TAP138818 substation, Kansas”, https://gridcensus.com/substations/kansas/tap138818-93dc9033 (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 TAP138818 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.