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Gridcensus

TAP153266

Substation

Missouri · UNION ELECTRIC CO - (MO)

Max voltage
—
kV

At a glance

TAP153266 is an electric substation in Missouri on UNION ELECTRIC CO - (MO)'s transmission network, recorded in the HIFLD transmission dataset. 1 transmission line connect to it. The highest-scoring datacenter candidate site within about 25 miles is CALLAWAY in Callaway County, with a DC Readiness score of 64/100.

TAP153266 is an electric transmission substation in Missouri, on UNION ELECTRIC CO - (MO)'s transmission network. It is classified as unclassified 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

Voltage classUnclassified
Connected lines1

Ownership

Line owner (most lines)UNION ELECTRIC CO - (MO)
Coordinates38.7142, -91.4401

Connected transmission lines

Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.

Line IDVoltageOwnerStatusLength
#141322—UNION ELECTRIC CO - (MO)IN SERVICE1.9 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of TAP153266, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near TAP153266 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
CALLAWAYSubstation-AdjacentMOCallaway County345 kV600 MW4.3 yrs63.9
TAP140561Substation-AdjacentMOCallaway County345 kV600 MW4.3 yrs63.5
MONTGOMERYSubstation-AdjacentMOMontgomery County345 kV600 MW4.3 yrs62.5
BLANDSubstation-AdjacentMOGasconade County345 kV600 MW4.3 yrs61.8
EC Coal Callaway CountyGreenfieldMOCallaway County——4.3 yrs60.3
UNKNOWN117168Substation-AdjacentMOCallaway County161 kV100 MW4.3 yrs58.1
EC Coal Gasconade CountyGreenfieldMOGasconade County——4.3 yrs57.8
EC Near Fulton (MO)GreenfieldMOCallaway——4.3 yrs57.3

Who owns the transmission lines at TAP153266?

The 1 connected line listed above is owned by UNION ELECTRIC CO - (MO). Their combined recorded length is about 1.9 miles.

How do candidate sites near TAP153266 score?

The 8 highest-scoring candidate sites within about 25 miles range from 57 to 64 on the 0–100 DC Readiness scale. They fall in Callaway County, Montgomery County, Gasconade County, Callaway. 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

How many transmission lines connect to TAP153266 substation?

1 transmission line terminate at or pass through TAP153266 in the HIFLD line data. Together the listed lines cover about 1.9 miles.

Who owns TAP153266 substation?

HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP153266 belong to UNION ELECTRIC CO - (MO). GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.

Where is TAP153266 substation located?

TAP153266 is in Missouri at 38.7142, -91.4401. The datacenter candidate sites closest to it are in Callaway County, Montgomery County, Gasconade County.

Are there datacenter candidate sites near TAP153266 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP153266. The highest-scoring is CALLAWAY at 64/100. 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, “TAP153266 substation, Missouri”, https://gridcensus.com/substations/missouri/tap153266-f6b9c3c3 (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 TAP153266 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.