Datacenter Sites in Granite County, Montana
Granite County has 17 scored datacenter candidate sites averaging 55.0/100 DC Readiness, with a catalogued aggregate of 200 MW. FEMA rates local natural-hazard risk as "Very Low". The county has a datacenter tax incentive on record.
At a glance
Granite County, Montana has 17 scored datacenter candidate sites averaging 55.0/100 DC Readiness, roughly in line with the Montana average of 54.3. It ranks 43rd of 55 Montana counties by number of sites and 23rd by average score. The top-scoring site is DEAD HEAD at 60.6/100.
Site-selection context for Granite County
Incentive detail: New/expanding industry tax abatement available for DC construction.
How does Granite County compare with other counties in Montana?
By number of scored sites, Granite County ranks 43rd of the 55 Montana counties with a county page, holding 0.7% of the state's 2,542 sites. Its average DC Readiness of 55.0/100 ranks 23rd in the state and is roughly in line with the national average of 53.0. Nationally it has the 1896th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 3 score 55 or higher.
What types of datacenter sites are in Granite County?
Former Mine sites are the most common (12, 71% of the county's inventory), followed by substation-adjacent (3) and federal excess (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 Granite County?
Industrial electricity averages 6.53¢/kWh and commercial 8.54¢/kWh. FEMA's National Risk Index rates the county "Very Low" (12). WRI water stress is medium-high. 2 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 $2,808 an acre.
By site type
Top datacenter sites in Granite County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| DEAD HEAD | Substation-Adjacent | 138 kV | 100 MW | 1.1 yrs | 60.6 |
| STEVENSVILLE | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 59.4 |
| TAP207804 | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 58.3 |
| Mine Site | Former Mine | — | — | 1.1 yrs | 54.5 |
| Mine Site | Former Mine | — | — | 1.1 yrs | 54.5 |
| Mine Site | Former Mine | — | — | 1.1 yrs | 54.4 |
| Mine Site | Former Mine | — | — | 1.1 yrs | 54.4 |
| Mine Site | Former Mine | — | — | 1.1 yrs | 54.4 |
| Mine Site | Former Mine | — | — | 1.1 yrs | 54.3 |
| Mine Site | Former Mine | — | — | 1.1 yrs | 54.3 |
| DRUMMOND | Federal Excess | — | — | 1.1 yrs | 54.2 |
| DRUMMOND | Federal Excess | — | — | 1.1 yrs | 54.0 |
| Mine Site | Former Mine | — | — | 1.1 yrs | 54.0 |
| Mine Site | Former Mine | — | — | 1.1 yrs | 53.9 |
| Mine Site | Former Mine | — | — | 1.1 yrs | 53.2 |
| Mine Site | Former Mine | — | — | 1.1 yrs | 53.2 |
| Mine Site | Former Mine | — | — | 1.1 yrs | 53.2 |
Every scored site in Granite County
All 17 sites, best first.
- DEAD HEAD · 60.6
- STEVENSVILLE · 59.4
- Substation-Adjacent site · 73153f94 · 58.3
- Mine Site · 6172ea57 · 54.5
- Mine Site · 95694d58 · 54.5
- Mine Site · 5b3ab4a7 · 54.4
- Mine Site · 46305f14 · 54.4
- Mine Site · 9cdeb6f6 · 54.4
- Mine Site · ab659135 · 54.3
- Mine Site · 99069052 · 54.3
- DRUMMOND · df6f72bc · 54.2
- DRUMMOND · 4365d1bb · 54.0
- Mine Site · 7cf15384 · 54.0
- Mine Site · 1a4c1b0d · 53.9
- Mine Site · f5c7eccc · 53.2
- Mine Site · c932c941 · 53.2
- Mine Site · 7e4e7d5f · 53.2
Granite County datacenter FAQ
How many datacenter sites are in Granite County?
17 scored datacenter candidate sites, averaging 55.0/100 DC Readiness. That is the 43rd-most of 55 Montana counties with five or more sites.
What is the highest-scoring datacenter site in Granite County?
DEAD HEAD scores 60.6/100 DC Readiness, the highest of the 17 scored sites in Granite County (a substation-adjacent site).
Does Granite County offer datacenter tax incentives?
New/expanding industry tax abatement available for DC construction.
What is the natural-hazard risk in Granite County?
FEMA's National Risk Index rates Granite County as "Very Low" (score 12).
What are industrial electricity rates in Granite County?
Average industrial electricity is 6.53¢/kWh and commercial is 8.54¢/kWh in Granite 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
- Former Mine 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 Granite County, Montana”, https://gridcensus.com/datacenter-sites/montana/granite-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 Granite 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.