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Gridcensus

TAP159576

Substation

South Dakota

Max voltage
—
kV

At a glance

TAP159576 is an 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 GROTON in Brown County, with a DC Readiness score of 65/100.

TAP159576 is an electric transmission substation in South Dakota. It is classified as unclassified 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

Voltage classUnclassified
Connected lines3

Ownership & operation

Operator not catalogued for this substation.

Coordinates45.5464, -98.4954

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of TAP159576, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near TAP159576 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
GROTONSubstation-AdjacentSDBrown County345 kV600 MW4.3 yrs64.8
OZ BrownGreenfieldSDBrown——4.3 yrs62.7
UNKNOWN131110Substation-AdjacentSDBrown County115 kV100 MW4.3 yrs58.9
UNKNOWN131130Substation-AdjacentSDBrown County115 kV100 MW4.3 yrs58.9
TAP159578Substation-AdjacentSDBrown County115 kV100 MW4.3 yrs58.9
UNKNOWN159585Substation-AdjacentSDBrown County115 kV100 MW4.3 yrs58.9
TAP161863Substation-AdjacentSDBrown County115 kV100 MW4.3 yrs58.9
TAP159587Substation-AdjacentSDBrown County115 kV100 MW4.3 yrs58.9

How do candidate sites near TAP159576 score?

The 8 highest-scoring candidate sites within about 25 miles range from 59 to 65 on the 0–100 DC Readiness scale. They fall in Brown County, Brown. 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

How many transmission lines connect to TAP159576 substation?

3 transmission lines terminate at or pass through TAP159576 in the HIFLD line data.

Where is TAP159576 substation located?

TAP159576 is in South Dakota at 45.5464, -98.4954. The datacenter candidate sites closest to it are in Brown County, Brown.

Are there datacenter candidate sites near TAP159576 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP159576. The highest-scoring is GROTON at 65/100. 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, “TAP159576 substation, South Dakota”, https://gridcensus.com/substations/south-dakota/tap159576-40252a9c (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 TAP159576 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.