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Former Mine Datacenter Sites in Idaho

At a glance

Idaho has 258 former mine datacenter candidate sites, the 26th-most of 50 states for this site type and 1.0% of the 26,205 former mine sites scored nationally. Former Mine land accounts for 12% of the state's 2,171 scored sites, against 18% nationally. The highest-scoring is Mine Site in Kootenai County at 56.1/100 DC Readiness.

Decommissioned or active mining land. Mine sites often retain heavy electrical service and water rights from prior operations, and many sit near coal-plant substations now freeing up grid capacity.

258
Former Mine sites
54.6/100
Avg score (top 25)
Idaho
State
Former Mine
Type

Top former mine sites in Idaho

Top Former Mine sites in Idaho
SiteTypeCountyVoltageCapacityQueue waitScore
Mine SiteFormer MineKootenai County——5.0 yrs56.1
Mine SiteFormer MineKootenai County——5.0 yrs56.0
Mine SiteFormer MineAda County——5.0 yrs55.5
Mine SiteFormer MineAda County——5.0 yrs55.5
Mine SiteFormer MineAda County——5.0 yrs55.5
Mine SiteFormer MineAda County——5.0 yrs55.1
Mine SiteFormer MineKootenai County——5.0 yrs54.8
Mine SiteFormer MineKootenai County——5.0 yrs54.8
Mine SiteFormer MineKootenai County——5.0 yrs54.8
Mine SiteFormer MineAda County——5.0 yrs54.7
Mine SiteFormer MineKootenai County——5.0 yrs54.6
Mine SiteFormer MineKootenai County——5.0 yrs54.6
Mine SiteFormer MineKootenai County——5.0 yrs54.6
Mine SiteFormer MineKootenai County——5.0 yrs54.6
Mine SiteFormer MineAda County——5.0 yrs54.5
Mine SiteFormer MineAda County——5.0 yrs54.4
Mine SiteFormer MineKootenai County——5.0 yrs54.3
Mine SiteFormer MineAda County——5.0 yrs54.3
Mine SiteFormer MineAda County——5.0 yrs54.2
Mine SiteFormer MineAda County——5.0 yrs54.1
Mine SiteFormer MineAda County——5.0 yrs54.1
Mine SiteFormer MineAda County——5.0 yrs54.0
Mine SiteFormer MineMadison County——5.0 yrs53.9
Mine SiteFormer MineKootenai County——5.0 yrs53.4
Mine SiteFormer MineCanyon County——5.0 yrs53.3

How does Idaho compare with other states for former mine sites?

With 258 sites, Idaho ranks 26th of the 50 states that have any former mine candidate sites. Kentucky leads with 5,049. Nationally, former mine sites average 49.7/100 DC Readiness, below the 53.0 average across all site types. Across every site type, Idaho averages 51.7, the 44th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 4.9 years.

Where are the highest-scoring former mine sites in Idaho?

The top 25 range from 56.1 to 53.3 on the 0–100 DC Readiness Score. They are concentrated in Ada County (12) and Kootenai County (11). By grid region, 25 are in WECC.

County pages: Ada County · Kootenai County · Madison County · Canyon County

What power, fiber and flood exposure do these former mine sites have?

Their counties have a median of 11 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 7 km. The median interconnection-queue wait in their markets is 5.0 years. None of the 2 with a mapped FEMA flood zone sits in a high-risk (A or V) zone.

Frequently asked questions

How many former mine datacenter sites are in Idaho?

GridCensus catalogs 258 former mine datacenter candidate sites in Idaho, 1.0% of the national total for this type (26th of 50 states).

What is a former mine datacenter site?

Decommissioned or active mining land. Mine sites often retain heavy electrical service and water rights from prior operations, and many sit near coal-plant substations now freeing up grid capacity.

What is the best former mine datacenter site in Idaho?

By DC Readiness Score, Mine Site in Kootenai County ranks first at 56.1/100, followed by Mine Site in Kootenai County at 56.0.

Which Idaho counties have the best former mine sites?

The top 25 former mine sites in Idaho are concentrated in Ada County (12) and Kootenai County (11).

How does Idaho score for datacenters overall?

All 2,171 scored sites in Idaho average 51.7/100 DC Readiness, the 44th-highest of 52 states, against a national average of 53.0.

More on former mine sites and Idaho

Former Mine sites in other states

Dataset updated . Screening estimates derived from public data sources.

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, “Former Mine datacenter sites in Idaho”, https://gridcensus.com/site-types/mine/idaho (data as of November 12, 2026).

Go deeper than the public screen

Every site and score for Former Mine sites in Idaho 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.