TAP158800
SubstationMinnesota
At a glance
TAP158800 is an electric transmission substation in Minnesota. 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
Ownership
No owner is recorded for the lines that connect here.
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #159081 | 69 kV | — | IN SERVICE | 4.0 mi |
| #159082 | 69 kV | — | IN SERVICE | 4.3 mi |
| #159118 | 69 kV | — | IN SERVICE | 7.3 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP158800, 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 |
|---|---|---|---|---|---|---|---|
| BRIGGS ROAD | Substation-Adjacent | WI | La Crosse County | 345 kV | 600 MW | 4.3 yrs | 64.1 |
| GENOA | Substation-Adjacent | WI | Houston County | 161 kV | 100 MW | 4.3 yrs | 60.5 |
| OZ Winona | Greenfield | MN | Winona | — | — | 4.3 yrs | 60.3 |
| EC Coal Vernon County | Greenfield | WI | Vernon County | — | — | 4.3 yrs | 59.7 |
| EC Coal La Crosse County | Greenfield | WI | La Crosse County | — | — | 4.3 yrs | 59.5 |
| EC Near Genoa | Greenfield | WI | Vernon | — | — | 4.3 yrs | 59.2 |
| EC Coal Houston County | Greenfield | MN | Houston County | — | — | 4.3 yrs | 58.5 |
| EC Coal Houston County | Greenfield | MN | Houston County | — | — | 4.3 yrs | 58.2 |
How do candidate sites near TAP158800 score?
The 8 highest-scoring candidate sites within about 25 miles range from 58 to 64 on the 0–100 DC Readiness scale. They fall in La Crosse County, Houston County, Winona, Vernon County. The Minnesota average across 3,216 scored sites is 55.7. 1,270 of those Minnesota sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is TAP158800 substation?
TAP158800 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 TAP158800 is below the national midpoint.
How many transmission lines connect to TAP158800 substation?
3 transmission lines terminate at or pass through TAP158800 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 15.6 miles.
Where is TAP158800 substation located?
TAP158800 is in Minnesota at 43.8041, -91.5259. The datacenter candidate sites closest to it are in La Crosse County, Houston County, Winona.
Are there datacenter candidate sites near TAP158800 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP158800. The highest-scoring is BRIGGS ROAD at 64/100. Across Minnesota, the average DC Readiness score is 55.7.
More in Minnesota
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, “TAP158800 substation, Minnesota”, https://gridcensus.com/substations/minnesota/tap158800-c9015b74 (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 TAP158800 substation, Minnesota 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.