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Gridcensus

TAP160058

Substation

Illinois · AMEREN ILLINOIS COMPANY

Max voltage
69
kV

At a glance

TAP160058 is a 69 kV electric substation in Illinois on AMEREN ILLINOIS COMPANY's transmission network, recorded in the HIFLD transmission dataset. 3 transmission lines connect to it. The highest-scoring datacenter candidate site within about 25 miles is BALDWIN STATION in Randolph County, with a DC Readiness score of 66/100.

TAP160058 is an electric transmission substation in Illinois, on AMEREN ILLINOIS COMPANY's transmission network. It is classified as distribution (69–115 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

Max voltage69 kV
Min voltage69 kV
Voltage classDistribution (69–115 kV)
Connected lines3

Ownership

Line owner (most lines)AMEREN ILLINOIS COMPANY
Coordinates38.1311, -89.9989

Connected transmission lines

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

Line IDVoltageOwnerStatusLength
#16271169 kVAMEREN ILLINOIS COMPANYIN SERVICE0.0 mi
#16272269 kVAMEREN ILLINOIS COMPANYIN SERVICE4.0 mi
#16272369 kVAMEREN ILLINOIS COMPANYIN SERVICE19.3 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of TAP160058, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near TAP160058 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
BALDWIN STATIONSubstation-AdjacentILRandolph County345 kV600 MW4.8 yrs66.4
RUSH ISLANDSubstation-AdjacentMOMonroe County345 kV600 MW4.3 yrs66.1
TURKEY HILLSubstation-AdjacentILSt. Clair County345 kV600 MW4.8 yrs63.8
Belleville Landfill ProjectBrownfieldILSt. Clair138 kV13 MW4.8 yrs63.7
OZ St. LouisGreenfieldMOSt. Louis——4.3 yrs63.4
UNKNOWN117131Substation-AdjacentMOMonroe County138 kV100 MW4.3 yrs62.4
EC Coal St. Louis CountyGreenfieldMOSt. Louis County——4.3 yrs62.2
UNKNOWN121749Substation-AdjacentMOMonroe County345 kV600 MW4.3 yrs61.9

Who owns the transmission lines at TAP160058?

The 3 connected lines listed above are owned by AMEREN ILLINOIS COMPANY. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 23.2 miles.

How do candidate sites near TAP160058 score?

The 8 highest-scoring candidate sites within about 25 miles range from 62 to 66 on the 0–100 DC Readiness scale. They fall in Randolph County, Monroe County, St. Clair County, St. Clair. The Illinois average across 3,641 scored sites is 54.3. 795 of those Illinois sites are classed as substation sites (candidate locations generated at an existing substation).

Frequently asked questions

What voltage is TAP160058 substation?

TAP160058 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 TAP160058 is below the national midpoint.

How many transmission lines connect to TAP160058 substation?

3 transmission lines terminate at or pass through TAP160058 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 23.2 miles.

Who owns TAP160058 substation?

HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP160058 belong to AMEREN ILLINOIS COMPANY. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.

Where is TAP160058 substation located?

TAP160058 is in Illinois at 38.1311, -89.9989. The datacenter candidate sites closest to it are in Randolph County, Monroe County, St. Clair County.

Are there datacenter candidate sites near TAP160058 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP160058. The highest-scoring is BALDWIN STATION at 66/100. Across Illinois, the average DC Readiness score is 54.3.

More in Illinois

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, “TAP160058 substation, Illinois”, https://gridcensus.com/substations/illinois/tap160058-d41614c3 (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 TAP160058 substation, Illinois 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.