How many datacenter sites are in Montana?

GridCensus catalogs 2,542 scored datacenter candidate sites in Montana, with an average DC Readiness score of 54.1/100.

What is the average interconnection-queue wait in Montana?

Candidate sites in Montana average a 3.1 yrs interconnection-queue wait, with an average queue depth of 49 projects.

What kind of datacenter sites are most common in Montana?

Substation-Adjacent sites are the most common category in Montana (815 sites), and most sites fall within the SPP grid region.

Datacenter Sites in Montana

Montana has 2,542 scored datacenter candidate sites averaging 54.1/100 DC Readiness. Substation-Adjacent parcels lead the inventory (815 sites). Most sites interconnect through SPP. The state's candidate sites carry a catalogued aggregate of 72.9k MW and average a 3.1 yrs interconnection-queue wait.

2,542

Candidate sites

54.1/100

Avg DC Readiness

72.9k MW

Catalogued capacity

theoretical aggregate

3.1 yrs

Avg queue wait

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≥ 7560–7540–60≤ 40

Top 25 in Montana

By site type

By grid region

SPP
1,801
MISO
722
WECC
16
PJM
1

Average sub-score profile

How Montana's candidate sites score on each DC Readiness dimension (0–100 average).

Power availability

37.1

Speed-to-power

55.0

Fiber

60.7

Water

56.1

Hazard resilience

87.7

Top 25 datacenter sites in Montana

Ranked by DC Readiness.

Top datacenter sites in Montana
Site	Type	County	Voltage	Capacity	Queue wait	Score
COLSTRIP	Substation-Adjacent	Rosebud County	500 kV	1,000 MW	3.3 yrs	73.8
BROADVIEW	Substation-Adjacent	Golden Valley County	500 kV	1,000 MW	3.3 yrs	67.2
BILLINGS	Substation-Adjacent	Yellowstone County	230 kV	300 MW	3.3 yrs	65.7
EC Coal Yellowstone County	Greenfield	Yellowstone County	—	—	1.1 yrs	65.2
RATTLESNAKE	Substation-Adjacent	Missoula County	230 kV	300 MW	3.3 yrs	64.5
EC Near J E Corette Plant	Greenfield	Yellowstone	—	—	1.1 yrs	64.2
EC Near Colstrip	Greenfield	Rosebud	—	—	1.1 yrs	64.1
UNKNOWN202569	Substation-Adjacent	Yellowstone County	230 kV	300 MW	3.3 yrs	63.9
GARRISON	Substation-Adjacent	Powell County	500 kV	1,000 MW	3.3 yrs	63.9
EC Near J E Corette Plant	Greenfield	Yellowstone	—	—	1.1 yrs	63.5
ALKALI CREEK	Substation-Adjacent	Yellowstone County	230 kV	300 MW	3.3 yrs	63.4
OZ Gallatin	Greenfield	Gallatin	—	—	1.1 yrs	63.4
SHOREY ROAD	Substation-Adjacent	Yellowstone County	230 kV	300 MW	3.3 yrs	63.3
EC Near Colstrip	Greenfield	Rosebud	—	—	1.1 yrs	63.3
EC Coal Rosebud County	Greenfield	Rosebud County	—	—	1.1 yrs	63.2
EC Near Colstrip	Greenfield	Rosebud	—	—	1.1 yrs	63.2
EC Near Colstrip	Greenfield	Rosebud	—	—	1.1 yrs	63.0
TAFT	Substation-Adjacent	Shoshone County	500 kV	1,000 MW	3.3 yrs	63.0
HOT SPRINGS	Substation-Adjacent	Lake County	500 kV	1,000 MW	3.3 yrs	62.8
EC Near J E Corette Plant	Greenfield	Yellowstone	—	—	1.1 yrs	62.7
EC Near Colstrip	Greenfield	Rosebud	—	—	1.1 yrs	62.7
EC Near Colstrip	Greenfield	Rosebud	—	—	1.1 yrs	62.7
EC Coal Yellowstone County	Greenfield	Yellowstone County	—	—	1.1 yrs	62.7
DECKER	Substation-Adjacent	Sheridan County	230 kV	300 MW	3.3 yrs	62.2
EC Near Colstrip	Greenfield	Rosebud	—	—	1.1 yrs	61.8

Counties in Montana

55 counties with five or more scored sites.

Broadwater County144 · 49.3 Yellowstone County140 · 59.8 Flathead County121 · 52.9 Cascade County114 · 54.4 Missoula County107 · 57.9 Richland County107 · 52.4 Hill County103 · 50.9 Lewis and Clark County96 · 50.2 Toole County81 · 50.2 Glacier County71 · 50.1 Phillips County71 · 50.2 Lake County65 · 54.1 Valley County63 · 53.5 Carbon County62 · 54.2 Big Horn County60 · 53.6 Liberty County55 · 50.6 Beaverhead County53 · 50.0 Rosebud County53 · 60.4 Roosevelt County48 · 55.7 Blaine County44 · 54.7 Fergus County44 · 53.6 Madison County42 · 55.0 Sanders County42 · 54.8 Teton County42 · 53.2 Gallatin County40 · 58.6 Musselshell County40 · 55.7 Judith Basin County39 · 56.5 Silver Bow County38 · 56.9 Park County36 · 53.9 Chouteau County35 · 55.2 Lincoln County33 · 55.7 Jefferson County32 · 54.2 Pondera County32 · 56.8 Ravalli County32 · 54.6 Wheatland County29 · 56.6 Powell County28 · 55.3 Fallon County27 · 58.5 Custer County25 · 56.9 Dawson County25 · 51.0 Golden Valley County22 · 58.5 Sheridan County22 · 57.0 Stillwater County20 · 57.4 Granite County17 · 55.9 Treasure County16 · 58.4 McCone County15 · 55.7 Prairie County14 · 57.6 Sweet Grass County14 · 58.4 Daniels County13 · 58.3 Deer Lodge County13 · 57.7 Mineral County9 · 56.3 Powder River County9 · 55.6 Carter County7 · 53.0 Meagher County7 · 54.9 Petroleum County7 · 52.0 Wibaux County7 · 57.0

Montana datacenter site selection FAQ

How many datacenter sites are in Montana?: GridCensus catalogs 2,542 scored datacenter candidate sites in Montana, with an average DC Readiness score of 54.1/100.
What is the average interconnection-queue wait in Montana?: Candidate sites in Montana average a 3.1 yrs interconnection-queue wait, with an average queue depth of 49 projects.
What kind of datacenter sites are most common in Montana?: Substation-Adjacent sites are the most common category in Montana (815 sites), and most sites fall within the SPP grid region.

Dataset updated August 2026. Screening estimates derived from public data sources.

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This page shows a public slice of the GridCensus dataset for Montana. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.

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