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Gridcensus

TAP208416

Substation

Montana · MONTANA-DAKOTA UTILITIES CO

Max voltage
69
kV

At a glance

TAP208416 is a 69 kV electric substation in Montana on MONTANA-DAKOTA UTILITIES CO's transmission network, recorded in the HIFLD transmission dataset. 3 transmission lines connect to it. The highest-scoring datacenter candidate site within about 25 miles is TAP208413 in Wibaux County, with a DC Readiness score of 58/100.

TAP208416 is an electric transmission substation in Montana, on MONTANA-DAKOTA UTILITIES CO's transmission network. 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

Line owner (most lines)MONTANA-DAKOTA UTILITIES CO
StateMontana
Coordinates46.9036, -104.0729

Connected transmission lines

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

Line IDVoltageOwnerStatusLength
#21018569 kVMONTANA-DAKOTA UTILITIES CO—3.0 mi
#21018669 kVMONTANA-DAKOTA UTILITIES CO—0.0 mi
#21018769 kVMONTANA-DAKOTA UTILITIES CO—2.9 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

Scored candidate sites within roughly 25 miles of TAP208416, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.

Candidate sites near TAP208416 substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
TAP208413Substation-AdjacentMTWibaux County69 kV50 MW1.1 yrs58.2
TAP208416Substation-AdjacentMTWibaux County69 kV50 MW1.1 yrs58.1
TAP208410Substation-AdjacentMTWibaux County69 kV50 MW1.1 yrs58.0
UNKNOWN208415Substation-AdjacentMTWibaux County69 kV50 MW1.1 yrs58.0
UNKNOWN208377Substation-AdjacentMTFallon County69 kV50 MW1.1 yrs57.4
UNKNOWN208375Substation-AdjacentMTFallon County69 kV50 MW1.1 yrs57.3
TAP208376Substation-AdjacentMTFallon County69 kV50 MW1.1 yrs57.2
TAP208373Substation-AdjacentMTFallon County69 kV50 MW1.1 yrs56.9

Who owns the transmission lines at TAP208416?

The 3 connected lines listed above are owned by MONTANA-DAKOTA UTILITIES CO. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 5.9 miles.

How do candidate sites near TAP208416 score?

The 8 highest-scoring candidate sites within about 25 miles range from 57 to 58 on the 0–100 DC Readiness scale. They fall in Wibaux County, Fallon County. The Montana average across 2,542 scored sites is 54.3. 815 of those Montana sites are classed as substation sites (candidate locations generated at an existing substation).

Frequently asked questions

What voltage is TAP208416 substation?

TAP208416 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 TAP208416 is below the national midpoint.

How many transmission lines connect to TAP208416 substation?

3 transmission lines terminate at or pass through TAP208416 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 5.9 miles.

Who owns TAP208416 substation?

HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP208416 belong to MONTANA-DAKOTA UTILITIES CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.

Where is TAP208416 substation located?

TAP208416 is in Montana at 46.9036, -104.0729. The datacenter candidate sites closest to it are in Wibaux County, Fallon County.

Are there datacenter candidate sites near TAP208416 substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP208416. The highest-scoring is TAP208413 at 58/100. Across Montana, the average DC Readiness score is 54.3.

More in Montana

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, “TAP208416 substation, Montana”, https://gridcensus.com/substations/montana/tap208416-60ce5863 (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 TAP208416 substation, Montana 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.