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Gridcensus

TAP162908

Substation

South Dakota

Max voltage
69
kV

At a glance

TAP162908 is a 69 kV electric substation in South Dakota, recorded in the HIFLD transmission dataset. 3 transmission lines connect to it. The highest-scoring datacenter candidate site within about 25 miles is SPLIT ROCK in Minnehaha County, with a DC Readiness score of 68/100.

TAP162908 is an electric transmission substation in South Dakota. 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

No owner is recorded for the lines that connect here.

Coordinates43.3155, -96.5892

Connected transmission lines

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

Line IDVoltageOwnerStatusLength
#16238369 kV—IN SERVICE0.1 mi
#16238469 kV—IN SERVICE2.8 mi
#16238569 kV—IN SERVICE8.9 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of TAP162908, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near TAP162908 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
SPLIT ROCKSubstation-AdjacentSDMinnehaha County345 kV600 MW4.3 yrs67.7
SIOUX FALLSSubstation-AdjacentSDMinnehaha County230 kV300 MW4.3 yrs66.6
VIRGIL FODNESSSubstation-AdjacentSDLincoln County230 kV300 MW4.3 yrs65.2
UNKNOWN130480Substation-AdjacentIALyon County230 kV300 MW4.3 yrs63.9
EC Near PathfinderGreenfieldSDMinnehaha——4.3 yrs63.7
OZ MinnehahaGreenfieldSDMinnehaha——4.3 yrs63.5
UNKNOWN130479Substation-AdjacentIALyon County230 kV300 MW4.3 yrs63.2
EC Near HillsGreenfieldMNRock——4.3 yrs62.7

How do candidate sites near TAP162908 score?

The 8 highest-scoring candidate sites within about 25 miles range from 63 to 68 on the 0–100 DC Readiness scale. They fall in Minnehaha County, Lincoln County, Lyon County, Minnehaha. The South Dakota average across 1,151 scored sites is 54.7. 477 of those South Dakota sites are classed as substation sites (candidate locations generated at an existing substation).

Frequently asked questions

What voltage is TAP162908 substation?

TAP162908 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 TAP162908 is below the national midpoint.

How many transmission lines connect to TAP162908 substation?

3 transmission lines terminate at or pass through TAP162908 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 11.8 miles.

Where is TAP162908 substation located?

TAP162908 is in South Dakota at 43.3155, -96.5892. The datacenter candidate sites closest to it are in Minnehaha County, Lincoln County, Lyon County.

Are there datacenter candidate sites near TAP162908 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP162908. The highest-scoring is SPLIT ROCK at 68/100. Across South Dakota, the average DC Readiness score is 54.7.

More in South Dakota

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, “TAP162908 substation, South Dakota”, https://gridcensus.com/substations/south-dakota/tap162908-54235389 (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 TAP162908 substation, South Dakota 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.