Datacenter Sites in Fergus County, Montana
Fergus County has 44 scored datacenter candidate sites averaging 52.6/100 DC Readiness, with a catalogued aggregate of 600 MW. FEMA rates local natural-hazard risk as "Very Low". The county has a datacenter tax incentive on record.
At a glance
Fergus County, Montana has 44 scored datacenter candidate sites averaging 52.6/100 DC Readiness, roughly in line with the Montana average of 54.3. It ranks 20th of 55 Montana counties by number of sites and 46th by average score. The top-scoring site is Substation-Adjacent site · b8e541c9 at 58.3/100.
Site-selection context for Fergus County
Incentive detail: New/expanding industry tax abatement available for DC construction.
How does Fergus County compare with other counties in Montana?
By number of scored sites, Fergus County ranks 20th of the 55 Montana counties with a county page, holding 1.7% of the state's 2,542 sites. Its average DC Readiness of 52.6/100 ranks 46th in the state and is roughly in line with the national average of 53.0. Nationally it has the 868th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 10 score 55 or higher.
What types of datacenter sites are in Fergus County?
Industrial sites are the most common (21, 48% of the county's inventory), followed by substation-adjacent (11) and former mine (9). 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 Fergus County?
Industrial electricity averages 10.37¢/kWh and commercial 8.59¢/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 $1,279 an acre.
By site type
Top datacenter sites in Fergus County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN204192 | Substation-Adjacent | 115 kV | 100 MW | 1.1 yrs | 58.3 |
| EC Coal Fergus County | Greenfield | — | — | 1.1 yrs | 57.1 |
| TAP208495 | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 56.4 |
| LEWISTOWN NO. 1 | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 56.4 |
| UNKNOWN205086 | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 55.5 |
| UNKNOWN206212 | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 55.5 |
| TAP206208 | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 55.4 |
| TAP206207 | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 55.3 |
| TAP206210 | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 55.1 |
| UNKNOWN204185 | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 55.1 |
| Ash Street Property | Industrial | — | — | 1.1 yrs | 52.4 |
| Mine Site | Former Mine | — | — | 1.1 yrs | 52.3 |
| TAP208460 | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 51.9 |
| UNKNOWN204620 | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 51.9 |
| Mine Site | Former Mine | — | — | 1.1 yrs | 51.9 |
| LEWISTOWN | Federal Excess | — | — | 1.1 yrs | 51.6 |
| Mid-State Signs (former property) | Industrial | — | — | 1.1 yrs | 51.6 |
| Mine Site | Former Mine | — | — | 1.1 yrs | 51.5 |
| Nurses School (Lewistown) | Industrial | — | — | 1.1 yrs | 51.5 |
| MONTANA - LEASE | Federal Excess | — | — | 1.1 yrs | 51.5 |
| Mine Site | Former Mine | — | — | 1.1 yrs | 51.5 |
| Paris Cleaners | Industrial | — | — | 1.1 yrs | 51.5 |
| Lewistown Feed Mill Property | Industrial | — | — | 1.1 yrs | 51.5 |
| Berg Lumber Mill, Lewistown Groundwater Investigation | Industrial | — | — | 1.1 yrs | 51.5 |
| Lewistown Eagles Manor | Industrial | — | — | 1.1 yrs | 51.5 |
Every scored site in Fergus County
All 44 sites, best first.
- Substation-Adjacent site · b8e541c9 · 58.3
- EC Coal Fergus County · 57.1
- Substation-Adjacent site · 6c66f837 · 56.4
- LEWISTOWN NO. 1 · 56.4
- Substation-Adjacent site · e33748a2 · 55.5
- Substation-Adjacent site · 1f66a984 · 55.5
- Substation-Adjacent site · 89e397f6 · 55.4
- Substation-Adjacent site · 1cfee541 · 55.3
- Substation-Adjacent site · 316233b9 · 55.1
- Substation-Adjacent site · 5572f565 · 55.1
- Ash Street Property · 52.4
- Mine Site · a50ff970 · 52.3
- Substation-Adjacent site · 3cf42d9b · 51.9
- Substation-Adjacent site · 1e5ba9be · 51.9
- Mine Site · c7a510d5 · 51.9
- LEWISTOWN · 481d8b17 · 51.6
- Mid-State Signs (former property) · 51.6
- Mine Site · 62f2202e · 51.5
- Nurses School (Lewistown) · 51.5
- MONTANA - LEASE · c29a6cc9 · 51.5
- Mine Site · 4b665c3f · 51.5
- Paris Cleaners · 51.5
- Lewistown Feed Mill Property · 51.5
- Berg Lumber Mill, Lewistown Groundwater Investigation · 51.5
- Lewistown Eagles Manor · 51.5
- Broadway Apartments · 51.5
- Berg Lumber Mill · 51.5
- Mine Site · 080a207f · 51.5
- Movie Store · 51.5
- Ernie's Auto · 51.5
- Crowley Building Lewistown · 51.5
- Reese Tire and Fuel Center · 51.5
- LaFountain Building · 51.5
- Save the Barn · 51.5
- On Your Way · 51.5
- Brewery Flats · 51.5
- Main St. Lot · 51.5
- Mine Site · 51281569 · 51.5
- Berg Lumber Company · 51.5
- Railroad Right-of-way · 51.4
- Mine Site · d04d0c12 · 51.4
- Hilger Country Store · 51.4
- Mine Site · 1fcf4d00 · 50.9
- Mine Site · 85690dca · 50.5
Fergus County datacenter FAQ
How many datacenter sites are in Fergus County?
44 scored datacenter candidate sites, averaging 52.6/100 DC Readiness. That is the 20th-most of 55 Montana counties with five or more sites.
What is the highest-scoring datacenter site in Fergus County?
Substation-Adjacent site · b8e541c9 scores 58.3/100 DC Readiness, the highest of the 44 scored sites in Fergus County (a substation-adjacent site).
Does Fergus County offer datacenter tax incentives?
New/expanding industry tax abatement available for DC construction.
What is the natural-hazard risk in Fergus County?
FEMA's National Risk Index rates Fergus County as "Very Low" (score 12).
What are industrial electricity rates in Fergus County?
Average industrial electricity is 10.37¢/kWh and commercial is 8.59¢/kWh in Fergus County.
More in Montana
- All datacenter sites in Montana· 2,542 sites
- Operating datacenters in Montana
- Electric substations in Montana
- Broadwater County· 144 sites · avg 52.1
- Yellowstone County· 140 sites · avg 59.2
- Flathead County· 121 sites · avg 52.4
- Cascade County· 114 sites · avg 53.3
- Missoula County· 107 sites · avg 57.3
- Richland County· 107 sites · avg 54.7
- Industrial sites in Montana
- Substation-Adjacent sites 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 Fergus County, Montana”, https://gridcensus.com/datacenter-sites/montana/fergus-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 Fergus 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.