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Datacenter Sites in Carbon County, Montana

Carbon County has 62 scored datacenter candidate sites averaging 53.9/100 DC Readiness, with a catalogued aggregate of 2,750 MW. FEMA rates local natural-hazard risk as "Very Low". The county has a datacenter tax incentive on record.

At a glance

Carbon County, Montana has 62 scored datacenter candidate sites averaging 53.9/100 DC Readiness, roughly in line with the Montana average of 54.3. It ranks 14th of 55 Montana counties by number of sites and 33rd by average score. The top-scoring site is Substation-Adjacent site · 56887a48 at 59.8/100.

62
Candidate sites
53.9/100
Avg DC Readiness
2,750 MW
Catalogued capacity
theoretical aggregate
Very Low
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in Carbon County

Site-selection context for Carbon County

Yesproperty_tax_abatement
Datacenter tax incentive
8.82¢/kWh
Commercial electricity
6.59¢/kWh
Industrial electricity
4
Fiber providers
Medium-High
Water stress
$1,923
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 Carbon County compare with other counties in Montana?

By number of scored sites, Carbon County ranks 14th of the 55 Montana counties with a county page, holding 2.4% of the state's 2,542 sites. Its average DC Readiness of 53.9/100 ranks 33rd in the state and is roughly in line with the national average of 53.0. Nationally it has the 597th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 28 score 55 or higher.

What types of datacenter sites are in Carbon County?

Substation-Adjacent sites are the most common (38, 61% of the county's inventory), followed by federal excess (11) and former mine (8). 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 Carbon County?

Industrial electricity averages 6.59¢/kWh and commercial 8.82¢/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 $1,923 an acre.

By site type

Top datacenter sites in Carbon County

Top datacenter sites in Carbon County
SiteTypeVoltageCapacityQueue waitScore
TAP206174Substation-Adjacent69 kV50 MW1.1 yrs59.8
TAP206178Substation-Adjacent115 kV100 MW1.1 yrs59.3
UNKNOWN206179Substation-Adjacent115 kV100 MW1.1 yrs59.3
FRANNIESubstation-Adjacent230 kV300 MW3.5 yrs59.0
UNKNOWN206175Substation-Adjacent69 kV50 MW1.1 yrs58.8
UNKNOWN206173Substation-Adjacent69 kV50 MW1.1 yrs57.9
UNKNOWN206177Substation-Adjacent115 kV100 MW1.1 yrs57.6
OZ CarbonGreenfield——1.1 yrs57.6
UNKNOWN206172Substation-Adjacent69 kV50 MW1.1 yrs57.3
TAP206171Substation-Adjacent69 kV50 MW1.1 yrs57.0
TAP206575Substation-Adjacent115 kV100 MW1.1 yrs56.9
UNKNOWN206574Substation-Adjacent115 kV100 MW1.1 yrs56.8
UNKNOWN206169Substation-Adjacent69 kV50 MW1.1 yrs56.7
UNKNOWN206599Substation-Adjacent115 kV100 MW1.1 yrs56.6
UNKNOWN206573Substation-Adjacent115 kV100 MW1.1 yrs56.5
UNKNOWN208588Substation-Adjacent69 kV50 MW1.1 yrs55.6
UNKNOWN208590Substation-Adjacent69 kV50 MW1.1 yrs55.6
UNKNOWN204602Substation-Adjacent69 kV50 MW1.1 yrs55.6
TAP208577Substation-Adjacent69 kV50 MW1.1 yrs55.6
TAP208579Substation-Adjacent69 kV50 MW1.1 yrs55.5
UNKNOWN203115Substation-Adjacent138 kV100 MW4.3 yrs55.5
UNKNOWN208575Substation-Adjacent69 kV50 MW1.1 yrs55.2
UNKNOWN203113Substation-Adjacent115 kV100 MW4.3 yrs55.2
UNKNOWN206540Substation-Adjacent115 kV100 MW4.3 yrs55.1
TAP208578Substation-Adjacent69 kV50 MW1.1 yrs55.1

Every scored site in Carbon County

All 62 sites, best first.

Carbon County datacenter FAQ

How many datacenter sites are in Carbon County?

62 scored datacenter candidate sites, averaging 53.9/100 DC Readiness. That is the 14th-most of 55 Montana counties with five or more sites.

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

Substation-Adjacent site · 56887a48 scores 59.8/100 DC Readiness, the highest of the 62 scored sites in Carbon County (a substation-adjacent site).

Does Carbon County offer datacenter tax incentives?

New/expanding industry tax abatement available for DC construction.

What is the natural-hazard risk in Carbon County?

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

What are industrial electricity rates in Carbon County?

Average industrial electricity is 6.59¢/kWh and commercial is 8.82¢/kWh in Carbon 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 Carbon County, Montana”, https://gridcensus.com/datacenter-sites/montana/carbon-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 Carbon 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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