TAP135616
SubstationMinnesota · ALLETE, INC.
At a glance
TAP135616 is an electric transmission substation in Minnesota, on ALLETE, INC.'s transmission network. It is classified as sub-transmission (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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #101555 | 115 kV | ALLETE, INC. | IN SERVICE | 1.0 mi |
| #122375 | 115 kV | ALLETE, INC. | IN SERVICE | 8.4 mi |
| #124119 | 115 kV | ALLETE, INC. | IN SERVICE | 2.7 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP135616, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN129712 | Substation-Adjacent | MN | Hubbard County | 230 kV | 300 MW | 4.3 yrs | 61.6 |
| HUBBARD | Substation-Adjacent | MN | Wadena County | 230 kV | 300 MW | 4.3 yrs | 61.2 |
| BADOURA 230/115 KV | Substation-Adjacent | MN | Hubbard County | 230 kV | 300 MW | 4.3 yrs | 60.9 |
| UNKNOWN130772 | Substation-Adjacent | MN | Hubbard County | 115 kV | 100 MW | 4.3 yrs | 57.0 |
| TAP134738 | Substation-Adjacent | MN | Hubbard County | 115 kV | 100 MW | 4.3 yrs | 56.9 |
| LAPORTE SWITCH & | Substation-Adjacent | MN | Hubbard County | 115 kV | 100 MW | 4.3 yrs | 56.8 |
| UNKNOWN130118 | Substation-Adjacent | MN | Hubbard County | 115 kV | 100 MW | 4.3 yrs | 56.8 |
| TAP135616 | Substation-Adjacent | MN | Hubbard County | 115 kV | 100 MW | 4.3 yrs | 56.7 |
Who owns the transmission lines at TAP135616?
The 3 connected lines listed above are owned by ALLETE, INC. Line voltages range from 115 kV to 115 kV. Their combined recorded length is about 12.1 miles.
How do candidate sites near TAP135616 score?
The 8 highest-scoring candidate sites within about 25 miles range from 57 to 62 on the 0–100 DC Readiness scale. They fall in Hubbard County, Wadena 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 TAP135616 substation?
TAP135616 has a maximum voltage of 115 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP135616 is at the national midpoint.
How many transmission lines connect to TAP135616 substation?
3 transmission lines terminate at or pass through TAP135616 in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 12.1 miles.
Who owns TAP135616 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP135616 belong to ALLETE, INC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP135616 substation located?
TAP135616 is in Minnesota at 46.9937, -94.7393. The datacenter candidate sites closest to it are in Hubbard County, Wadena County.
Are there datacenter candidate sites near TAP135616 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP135616. The highest-scoring is UNKNOWN129712 at 62/100. 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, “TAP135616 substation, Minnesota”, https://gridcensus.com/substations/minnesota/tap135616-352af689 (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 TAP135616 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.