FieldProspects

Stillwater County, Montana

Stillwater County, Montana has 8 power projects in the FieldProspects database, all of them operating, 527.7 MW in total, with nothing in the queue. No data center record lists the county. Wind leads with 513.7 MW across 5 projects. Data as of October 8, 2026.

Data as of Grid region: NorthWestern EnergyRefreshed monthly
8
power projects, planned and operating
0MW
planned generation, 0 projects
527.7MW
operating generation, 8 projects
0
planned projects past their listed in-service date
Map

Stillwater County and its neighbors

Counties shaded by data center MW on record, planned to operating. 1 of its 5 neighboring counties have pages of their own. The rest are in the member database.

Golden Valley Yellowstone 500 MW Stillwater no data centers Sweet Grass Park Carbon
no data center MWunder 100 MW100 to 1,000 MW1,000 to 5,000 MW5,000 to 15,000 MW15,000 MW or more no page yet

Data center records planned, under construction and operating, data as of October 8, 2026.Hover a county for its numbers

Headline finding
527.7MW

of operating generation across 8 plants, and nothing in the interconnection queue for Stillwater County.

Operating generation527.7 MW
Planned generation0 MW

Technology mix

8 projects, 527.7 MW planned and operating

Wind513.7 MW5 projects, 97%
Hydro12 MW2 projects, 2%
Solar2 MW1 project, 0%
Which companies own these 8 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

8 plants operate inside Stillwater County, 527.7 MW. Nothing is in the queue for the county.

Figure 1

Operating and planned generation by technology

MW in Stillwater County

OperatingPlanned
WindOperating 513.7 MW 5 projects
HydroOperating 12 MW 2 projects
SolarOperating 2 MW 1 project
View as table
TechnologyStatusProjectsMW
WindOperating5513.7
HydroOperating212
SolarOperating12
Operating: 527.7 MW. Planned: 0 MW. Nothing is in the queue to add to it.
Source. FieldProspects database: ISO/RTO interconnection queues, EIA-860M and public data center filings, data as of October 8, 2026.

Stillwater County against its neighbors

Yellowstone County has the most data center MW among the neighbors, 500 MW. None of the neighbors has more generation operating than data center MW on record.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Yellowstone County 1
500
360
50 1.4x
Stillwater County this page 0
0
528
0 0x

Data center MW counts records planned, under construction and operating. Generation is inside the county only. Neighbors without a page have fewer than three projects on record.

2 counties shown

Every record in Stillwater County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 8 records. Filter, sort and export to Excel.

Members only
County: Stillwater County, MTStatus: all except cancelledSort: MW, largest first 8 records
Project or campusDeveloperStatusMWYearContacts
8 records and 527.7 MW behind this preview

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