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Datacenter Sites in Stillwater County, Montana

Stillwater County has 20 scored datacenter candidate sites averaging 55.8/100 DC Readiness, with a catalogued aggregate of 1,100 MW. FEMA rates local natural-hazard risk as "Very Low". The county has a datacenter tax incentive on record.

At a glance

Stillwater County, Montana has 20 scored datacenter candidate sites averaging 55.8/100 DC Readiness, roughly in line with the Montana average of 54.3. It ranks 42nd of 55 Montana counties by number of sites and 17th by average score. The top-scoring site is Substation-Adjacent site · 653ea20d at 61.8/100.

20
Candidate sites
55.8/100
Avg DC Readiness
1,100 MW
Catalogued capacity
theoretical aggregate
Very Low
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 20 in Stillwater County

Site-selection context for Stillwater County

Yesproperty_tax_abatement
Datacenter tax incentive
8.90¢/kWh
Commercial electricity
7.09¢/kWh
Industrial electricity
4
Fiber providers
Medium-High
Water stress
$1,747
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 Stillwater County compare with other counties in Montana?

By number of scored sites, Stillwater County ranks 42nd of the 55 Montana counties with a county page, holding 0.8% of the state's 2,542 sites. Its average DC Readiness of 55.8/100 ranks 17th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1729th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 13 score 55 or higher.

What types of datacenter sites are in Stillwater County?

Substation-Adjacent sites are the most common (15, 75% of the county's inventory), followed by industrial (3) and former mine (2). 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 Stillwater County?

Industrial electricity averages 7.09¢/kWh and commercial 8.90¢/kWh. FEMA's National Risk Index rates the county "Very Low" (12). WRI water stress is medium-high. 4 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 $1,747 an acre.

By site type

Top datacenter sites in Stillwater County

Top datacenter sites in Stillwater County
SiteTypeVoltageCapacityQueue waitScore
UNKNOWN208546Substation-Adjacent115 kV100 MW1.1 yrs61.8
LAUREL CITYSubstation-Adjacent115 kV100 MW1.1 yrs61.8
COLUMBUS-RAPELJE AUTOSubstation-Adjacent230 kV300 MW1.1 yrs61.4
WOLDSubstation-Adjacent69 kV50 MW1.1 yrs59.5
TAP208530Substation-Adjacent69 kV50 MW1.1 yrs58.2
UNKNOWN208533Substation-Adjacent69 kV50 MW1.1 yrs58.0
UNKNOWN208534Substation-Adjacent69 kV50 MW1.1 yrs57.6
REED POINTSubstation-Adjacent69 kV50 MW1.1 yrs56.1
UNKNOWN208536Substation-Adjacent69 kV50 MW1.1 yrs56.1
UNKNOWN204550Substation-Adjacent69 kV50 MW1.1 yrs56.1
UNKNOWN204202Substation-Adjacent69 kV50 MW1.1 yrs56.0
TAP204549Substation-Adjacent69 kV50 MW1.1 yrs55.9
UNKNOWN202105Substation-Adjacent69 kV50 MW1.1 yrs55.1
Mine SiteFormer Mine——1.1 yrs53.1
Drain PropertiesIndustrial——1.1 yrs52.2
Columbus AirstripIndustrial——1.1 yrs52.2
Stillwater County Former HospitalIndustrial——1.1 yrs52.1
UNKNOWN204203Substation-Adjacent69 kV50 MW1.1 yrs51.5
UNKNOWN201395Substation-Adjacent69 kV50 MW1.1 yrs51.5
Mine SiteFormer Mine——1.1 yrs50.4

Every scored site in Stillwater County

All 20 sites, best first.

Stillwater County datacenter FAQ

How many datacenter sites are in Stillwater County?

20 scored datacenter candidate sites, averaging 55.8/100 DC Readiness. That is the 42nd-most of 55 Montana counties with five or more sites.

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

Substation-Adjacent site · 653ea20d scores 61.8/100 DC Readiness, the highest of the 20 scored sites in Stillwater County (a substation-adjacent site).

Does Stillwater County offer datacenter tax incentives?

New/expanding industry tax abatement available for DC construction.

What is the natural-hazard risk in Stillwater County?

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

What are industrial electricity rates in Stillwater County?

Average industrial electricity is 7.09¢/kWh and commercial is 8.90¢/kWh in Stillwater 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 13, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “Datacenter candidate sites in Stillwater County, Montana”, https://gridcensus.com/datacenter-sites/montana/stillwater-county (data as of November 13, 2026).

Dataset updated . Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for Stillwater 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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