Former Mine site at 45.169, -111.595
Former MineMadison County, Montana · WECC
At a glance
Former Mine site at 45.169, -111.595 is a former mine datacenter candidate site in Madison County, Montana, scoring 50.7/100 DC Readiness — 42nd of 42 scored sites in the county. It sits in the WECC grid region and the NORTHWESTERN ENERGY LLC - (MT) service territory, where interconnection has averaged 1.1 years from request to operation.
Power & interconnection
Speed to power
Shorter queues and healthier completion here — a faster path to energization than the national norm.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: New/expanding industry tax abatement available for DC construction.
Site location
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How does Former Mine site at 45.169, -111.595 compare with other sites in Madison County?
Former Mine site at 45.169, -111.595 ranks 42nd of 42 scored candidate sites in Madison County. Its 50.7/100 is roughly in line with the county average of 53.6. It is roughly in line with the Montana average of 54.3 and roughly in line with the national average of 53.2.
Against the Montana average, its strongest sub-score is natural hazard (88 vs 88) and its weakest is fiber connectivity (46 vs 61). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Former Mine site at 45.169, -111.595 to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is Montana Opticom at 40 miles. 1 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Montana Opticom, 40 miles away.
What are the flood, water and hazard risks at Former Mine site at 45.169, -111.595?
At the county level, FEMA's National Risk Index rates Madison County "Very Low".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Madison County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN202306 | Substation-Adjacent | 115 kV | 100 MW | 1.1 yrs | 60.1 |
| UNKNOWN205097 | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 58.6 |
| UNKNOWN202303 | Substation-Adjacent | 115 kV | 100 MW | 1.1 yrs | 58.3 |
| UNKNOWN202297 | Substation-Adjacent | 115 kV | 100 MW | 1.1 yrs | 58.0 |
| UNKNOWN205095 | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 57.4 |
| UNKNOWN204539 | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 56.9 |
| UNKNOWN205094 | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 56.8 |
| TAP205604 | Substation-Adjacent | 69 kV | 50 MW | 1.1 yrs | 56.4 |
Former Mine site at 45.169, -111.595: common questions
What is the DC Readiness score of Former Mine site at 45.169, -111.595?
Former Mine site at 45.169, -111.595 scores 50.7/100 on the GridCensus DC Readiness scale, rated fair. It ranks 42nd of 42 scored sites in Madison County. The Madison County average is 53.6 and the Montana average is 54.3.
Which electric utility serves Former Mine site at 45.169, -111.595?
NORTHWESTERN ENERGY LLC - (MT) (investor owned) holds the retail service territory that contains the site; its holding company is NORTHWESTERN ENERGY.
What grid region is Former Mine site at 45.169, -111.595 in?
Former Mine site at 45.169, -111.595 is in the WECC region. Projects interconnecting there have averaged a 1.1-year wait from queue request to operation.
How far is Former Mine site at 45.169, -111.595 from an internet exchange?
The nearest internet exchange facility is Montana Opticom, about 40 miles away; 1 fiber providers report service at the location.
Related pages
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 October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Former Mine site at 45.169, -111.595, Madison County, MT”, https://gridcensus.com/datacenter-sites/montana/madison-county/mine-site-bd670eb3 (data as of October 10, 2026).
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
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