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Gridcensus

TAP162964

Substation

Wisconsin · AMERICAN TRANSMISSION CO

Max voltage
69
kV

At a glance

TAP162964 is a 69 kV electric substation in Wisconsin on AMERICAN TRANSMISSION CO'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 NELSON DEWEY SW YD in Clayton County, with a DC Readiness score of 61/100.

TAP162964 is an electric transmission substation in Wisconsin, on AMERICAN TRANSMISSION CO'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)AMERICAN TRANSMISSION CO
Coordinates43.0898, -90.8805

Connected transmission lines

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

Line IDVoltageOwnerStatusLength
#16671869 kVAMERICAN TRANSMISSION COIN SERVICE11.9 mi
#16671969 kVAMERICAN TRANSMISSION COIN SERVICE0.0 mi
#16672069 kVAMERICAN TRANSMISSION COIN SERVICE7.4 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of TAP162964, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near TAP162964 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
NELSON DEWEY SW YDSubstation-AdjacentWIClayton County161 kV100 MW4.3 yrs61.4
OZ CrawfordGreenfieldWICrawford——4.3 yrs61.3
UNKNOWN130580Substation-AdjacentIAAllamakee County161 kV100 MW4.3 yrs60.4
EC Near Nelson Dewey Generating StationGreenfieldWIGrant——4.3 yrs60.4
EC Coal Clayton CountyGreenfieldIAClayton County——4.3 yrs60.4
TURKEY RIVERSubstation-AdjacentIAClayton County161 kV100 MW4.3 yrs59.7
EC Coal Grant CountyGreenfieldWIGrant County——4.3 yrs59.4
EC Near Nelson Dewey Generating StationGreenfieldWIGrant——4.3 yrs59.2

Who owns the transmission lines at TAP162964?

The 3 connected lines listed above are owned by AMERICAN TRANSMISSION CO. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 19.3 miles.

How do candidate sites near TAP162964 score?

The 8 highest-scoring candidate sites within about 25 miles range from 59 to 61 on the 0–100 DC Readiness scale. They fall in Clayton County, Crawford, Allamakee County, Grant. The Wisconsin average across 3,340 scored sites is 55.4. 1,248 of those Wisconsin sites are classed as substation sites (candidate locations generated at an existing substation).

Frequently asked questions

What voltage is TAP162964 substation?

TAP162964 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 TAP162964 is below the national midpoint.

How many transmission lines connect to TAP162964 substation?

3 transmission lines terminate at or pass through TAP162964 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 19.3 miles.

Who owns TAP162964 substation?

HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP162964 belong to AMERICAN TRANSMISSION CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.

Where is TAP162964 substation located?

TAP162964 is in Wisconsin at 43.0898, -90.8805. The datacenter candidate sites closest to it are in Clayton County, Crawford, Allamakee County.

Are there datacenter candidate sites near TAP162964 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP162964. The highest-scoring is NELSON DEWEY SW YD at 61/100. Across Wisconsin, the average DC Readiness score is 55.4.

More in Wisconsin

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, “TAP162964 substation, Wisconsin”, https://gridcensus.com/substations/wisconsin/tap162964-a6f1fdd5 (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 TAP162964 substation, Wisconsin 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.