TAP138942
SubstationMissouri
At a glance
TAP138942 is an electric transmission substation in Missouri. It is classified as sub-transmission (138 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
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 |
|---|---|---|---|---|
| #140785 | 161 kV | — | IN SERVICE | 0.3 mi |
| #143082 | 161 kV | — | IN SERVICE | 3.0 mi |
| #145161 | 161 kV | — | IN SERVICE | 1.1 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP138942, 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 |
|---|---|---|---|---|---|---|---|
| HAWTHORNE | Substation-Adjacent | MO | Jackson County | 345 kV | 600 MW | 4.3 yrs | 70.2 |
| CRAIG | Substation-Adjacent | KS | Johnson County | 345 kV | 600 MW | 4.3 yrs | 67.6 |
| UNKNOWN117601 | Substation-Adjacent | MO | Cass County | 345 kV | 600 MW | 4.3 yrs | 67.4 |
| EC Near Grand Avenue | Greenfield | MO | Jackson | — | — | 4.3 yrs | 67.0 |
| EC Near Grand Avenue | Greenfield | MO | Jackson | — | — | 4.3 yrs | 66.7 |
| OZ Jackson | Greenfield | MO | Jackson | — | — | 4.3 yrs | 66.7 |
| OZ Jackson | Greenfield | MO | Jackson | — | — | 4.3 yrs | 66.6 |
| OZ Jackson | Greenfield | MO | Jackson | — | — | 4.3 yrs | 66.6 |
How do candidate sites near TAP138942 score?
The 8 highest-scoring candidate sites within about 25 miles range from 67 to 70 on the 0–100 DC Readiness scale. They fall in Jackson County, Johnson County, Cass County, Jackson. The Missouri average across 3,413 scored sites is 55.7. 1,002 of those Missouri sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is TAP138942 substation?
TAP138942 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 TAP138942 is above the national midpoint.
How many transmission lines connect to TAP138942 substation?
3 transmission lines terminate at or pass through TAP138942 in the HIFLD line data. The connected lines listed here run at 161 kV. Together the listed lines cover about 4.4 miles.
Where is TAP138942 substation located?
TAP138942 is in Missouri at 39.0587, -94.4473. The datacenter candidate sites closest to it are in Jackson County, Johnson County, Cass County.
Are there datacenter candidate sites near TAP138942 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP138942. The highest-scoring is HAWTHORNE at 70/100. Across Missouri, the average DC Readiness score is 55.7.
More in Missouri
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, “TAP138942 substation, Missouri”, https://gridcensus.com/substations/missouri/tap138942-4028f549 (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 TAP138942 substation, Missouri 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.