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Gridcensus

FINLEY POINT

Substation

Montana · MISSION VALLEY POWER

Max voltage
69
kV

At a glance

FINLEY POINT is a 69 kV electric substation in Montana on MISSION VALLEY POWER's transmission network, recorded in the HIFLD transmission dataset. 1 transmission line connect to it. 84 of Montana's 149 named substations operate in a higher voltage band. The highest-scoring datacenter candidate site within about 25 miles is LION MOUNTAIN in Flathead County, with a DC Readiness score of 61/100.

FINLEY POINT is an electric transmission substation in Montana, on MISSION VALLEY POWER's transmission network. It is classified as distribution (69–115 kv) and connects 1 transmission line. 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 lines1

Ownership

Line owner (most lines)MISSION VALLEY POWER
StateMontana
Coordinates47.7248, -114.0394

Connected transmission lines

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

Line IDVoltageOwnerStatusLength
#20916969 kVMISSION VALLEY POWER—5.5 mi

Browse the full transmission-line map →

Nearby datacenter candidate sites

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

Candidate sites near FINLEY POINT substation
SiteTypeStateCountyVoltageCapacityQueue waitScore
LION MOUNTAINSubstation-AdjacentMTFlathead County230 kV300 MW1.1 yrs61.2
UNKNOWN202690Substation-AdjacentMTFlathead County230 kV300 MW1.1 yrs60.8
KERRSubstation-AdjacentMTLake County161 kV100 MW1.1 yrs58.5
TAP207788Substation-AdjacentMTLake County115 kV100 MW1.1 yrs58.2
TAP207784Substation-AdjacentMTLake County115 kV100 MW1.1 yrs58.1
TAP207791Substation-AdjacentMTLake County115 kV100 MW1.1 yrs58.1
TAP205607Substation-AdjacentMTLake County115 kV100 MW1.1 yrs58.1
POLSONSubstation-AdjacentMTLake County115 kV100 MW1.1 yrs58.0

How does FINLEY POINT compare with other substations in Montana?

Montana has 1,211 substation records in HIFLD, of which 149 carry a station name; the rest are unnamed tap points, risers and line ends. 58 named substations in the state are in FINLEY POINT's 69–114 kV band (39% of named stations). 84 sit in a higher band. 5 named substations in Montana operate at 345 kV or above. The highest voltage recorded in the state is 500 kV, and the state median is 115 kV.

Who owns the transmission lines at FINLEY POINT?

The 1 connected line listed above is owned by MISSION VALLEY POWER. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 5.5 miles.

How do candidate sites near FINLEY POINT score?

The 8 highest-scoring candidate sites within about 25 miles range from 58 to 61 on the 0–100 DC Readiness scale. They fall in Flathead County, Lake 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 FINLEY POINT substation?

FINLEY POINT 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 FINLEY POINT is below the national midpoint.

How many transmission lines connect to FINLEY POINT substation?

1 transmission line terminate at or pass through FINLEY POINT in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 5.5 miles.

Who owns FINLEY POINT substation?

HIFLD does not publish substation owners directly. Most of the transmission lines that end at FINLEY POINT belong to MISSION VALLEY POWER. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.

Where is FINLEY POINT substation located?

FINLEY POINT is in Montana at 47.7248, -114.0394. The datacenter candidate sites closest to it are in Flathead County, Lake County.

Are there datacenter candidate sites near FINLEY POINT substation?

GridCensus lists at least 8 scored candidate sites within roughly 25 miles of FINLEY POINT. The highest-scoring is LION MOUNTAIN at 61/100. Across Montana, the average DC Readiness score is 54.3.

Other 69 kV substations 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, “FINLEY POINT substation, Montana”, https://gridcensus.com/substations/montana/finley-point-6fa78ff3 (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 FINLEY POINT 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.