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Datacenter Sites in Flathead County, Montana

Flathead County has 121 scored datacenter candidate sites averaging 52.4/100 DC Readiness, with a catalogued aggregate of 3,700 MW. FEMA rates local natural-hazard risk as "Very Low". The county has a datacenter tax incentive on record.

At a glance

Flathead County, Montana has 121 scored datacenter candidate sites averaging 52.4/100 DC Readiness, roughly in line with the Montana average of 54.3. It ranks 3rd of 55 Montana counties by number of sites and 48th by average score. The top-scoring site is Substation-Adjacent site · b0b1fd83 at 61.7/100.

121
Candidate sites
52.4/100
Avg DC Readiness
3,700 MW
Catalogued capacity
theoretical aggregate
Very Low
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in Flathead County

Site-selection context for Flathead County

Yesproperty_tax_abatement
Datacenter tax incentive
7.77¢/kWh
Commercial electricity
6.09¢/kWh
Industrial electricity
9
Fiber providers
Medium-High
Water stress
$9,225
Land price / acre
400
Cooling degree days
7,600
Heating degree days
42°F
Mean annual temp

Incentive detail: New/expanding industry tax abatement available for DC construction.

How does Flathead County compare with other counties in Montana?

By number of scored sites, Flathead County ranks 3rd of the 55 Montana counties with a county page, holding 4.8% of the state's 2,542 sites. Its average DC Readiness of 52.4/100 ranks 48th in the state and is roughly in line with the national average of 53.0. Nationally it has the 255th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 25 score 55 or higher.

What types of datacenter sites are in Flathead County?

Former Mine sites are the most common (35, 29% of the county's inventory), followed by industrial (31) and substation-adjacent (31). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.

What are power cost, hazard, water and fiber conditions in Flathead County?

Industrial electricity averages 6.09¢/kWh and commercial 7.77¢/kWh. FEMA's National Risk Index rates the county "Very Low" (12). WRI water stress is medium-high. 9 fiber providers report service in the county. The climate runs 400 cooling degree days a year with a mean temperature of 42°F. Land is valued around $9,225 an acre.

By site type

Top datacenter sites in Flathead County

Top datacenter sites in Flathead County
SiteTypeVoltageCapacityQueue waitScore
UNKNOWN201560Substation-Adjacent230 kV300 MW1.1 yrs61.7
CONKELLEYSubstation-Adjacent230 kV300 MW1.1 yrs61.7
COLUMBIA FALLSSubstation-Adjacent230 kV300 MW1.1 yrs61.5
FLATHEADSubstation-Adjacent230 kV300 MW1.1 yrs61.5
HUNGRY HORSESubstation-Adjacent230 kV300 MW1.1 yrs61.3
LION MOUNTAINSubstation-Adjacent230 kV300 MW1.1 yrs61.2
UNKNOWN202690Substation-Adjacent230 kV300 MW1.1 yrs60.8
HASKILLSubstation-Adjacent230 kV300 MW1.1 yrs60.3
UNKNOWN207751Substation-Adjacent115 kV100 MW1.1 yrs57.3
STILLWATERSubstation-Adjacent115 kV100 MW1.1 yrs57.1
KALISPELLSubstation-Adjacent115 kV100 MW1.1 yrs57.0
LASALLESubstation-Adjacent69 kV50 MW1.1 yrs55.3
TAP207767Substation-Adjacent69 kV50 MW1.1 yrs55.3
APPLEWAYSubstation-Adjacent69 kV50 MW1.1 yrs55.3
UNKNOWN207766Substation-Adjacent69 kV50 MW1.1 yrs55.3
UNKNOWN207746Substation-Adjacent69 kV50 MW1.1 yrs55.3
UNKNOWN207747Substation-Adjacent69 kV50 MW1.1 yrs55.3
TAP207776Substation-Adjacent69 kV50 MW1.1 yrs55.2
TAP207756Substation-Adjacent69 kV50 MW1.1 yrs55.2
TAP207773Substation-Adjacent69 kV50 MW1.1 yrs55.2
TAP207754Substation-Adjacent69 kV50 MW1.1 yrs55.2
TAP207765Substation-Adjacent69 kV50 MW1.1 yrs55.2
TAP207762Substation-Adjacent69 kV50 MW1.1 yrs55.1
TAP207753Substation-Adjacent69 kV50 MW1.1 yrs55.1
UNKNOWN207761Substation-Adjacent69 kV50 MW1.1 yrs55.1

Every scored site in Flathead County

All 121 sites, best first.

Flathead County datacenter FAQ

How many datacenter sites are in Flathead County?

121 scored datacenter candidate sites, averaging 52.4/100 DC Readiness. That is the 3rd-most of 55 Montana counties with five or more sites.

What is the highest-scoring datacenter site in Flathead County?

Substation-Adjacent site · b0b1fd83 scores 61.7/100 DC Readiness, the highest of the 121 scored sites in Flathead County (a substation-adjacent site).

Does Flathead County offer datacenter tax incentives?

New/expanding industry tax abatement available for DC construction.

What is the natural-hazard risk in Flathead County?

FEMA's National Risk Index rates Flathead County as "Very Low" (score 12).

What are industrial electricity rates in Flathead County?

Average industrial electricity is 6.09¢/kWh and commercial is 7.77¢/kWh in Flathead County.

More in Montana

About this data

Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published November 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “Datacenter candidate sites in Flathead County, Montana”, https://gridcensus.com/datacenter-sites/montana/flathead-county (data as of November 12, 2026).

Dataset updated . Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for Flathead County, 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.

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