TAP167698
SubstationSouth Dakota · WAPA-- WESTERN AREA POWER ADMINISTRATION
At a glance
TAP167698 is an electric transmission substation in South Dakota, on WAPA-- WESTERN AREA POWER ADMINISTRATION's transmission network. 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
Ownership
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #168731 | — | WAPA-- WESTERN AREA POWER ADMINISTRATION | IN SERVICE | 0.1 mi |
| #168732 | — | WAPA-- WESTERN AREA POWER ADMINISTRATION | IN SERVICE | 0.0 mi |
| #168733 | — | WAPA-- WESTERN AREA POWER ADMINISTRATION | IN SERVICE | 15.2 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP167698, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| SULLY BUTTES | Substation-Adjacent | SD | Sully County | 230 kV | 300 MW | 4.3 yrs | 61.7 |
| WHITLOCK | Substation-Adjacent | SD | Potter County | 230 kV | 300 MW | 4.3 yrs | 60.8 |
| OAHE | Substation-Adjacent | SD | Stanley County | 230 kV | 300 MW | 4.3 yrs | 60.4 |
| UNKNOWN131192 | Substation-Adjacent | SD | Stanley County | 115 kV | 100 MW | 4.3 yrs | 56.5 |
| UNKNOWN131193 | Substation-Adjacent | SD | Hughes County | 115 kV | 100 MW | 4.3 yrs | 56.5 |
| UNKNOWN131195 | Substation-Adjacent | SD | Hughes County | 115 kV | 100 MW | 4.3 yrs | 56.4 |
| UNKNOWN131194 | Substation-Adjacent | SD | Hughes County | 115 kV | 100 MW | 4.3 yrs | 56.4 |
| UNKNOWN131190 | Substation-Adjacent | SD | Stanley County | 115 kV | 100 MW | 4.3 yrs | 56.4 |
Who owns the transmission lines at TAP167698?
The 3 connected lines listed above are owned by WAPA-- WESTERN AREA POWER ADMINISTRATION. Their combined recorded length is about 15.3 miles.
How do candidate sites near TAP167698 score?
The 8 highest-scoring candidate sites within about 25 miles range from 56 to 62 on the 0–100 DC Readiness scale. They fall in Sully County, Potter County, Stanley County, Hughes County. 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 TAP167698 substation?
3 transmission lines terminate at or pass through TAP167698 in the HIFLD line data. Together the listed lines cover about 15.3 miles.
Who owns TAP167698 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP167698 belong to WAPA-- WESTERN AREA POWER ADMINISTRATION. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP167698 substation located?
TAP167698 is in South Dakota at 44.7064, -100.3253. The datacenter candidate sites closest to it are in Sully County, Potter County, Stanley County.
Are there datacenter candidate sites near TAP167698 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP167698. The highest-scoring is SULLY BUTTES at 62/100. 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, “TAP167698 substation, South Dakota”, https://gridcensus.com/substations/south-dakota/tap167698-27f0814c (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 TAP167698 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.