FieldProspects

Madison County, Montana

Madison County, Montana has 4 power projects in the FieldProspects database, all of them operating, 16.4 MW in total, with nothing in the queue. No data center record lists the county. Hydro leads with 16.4 MW across 4 projects. Data as of October 8, 2026.

Data as of Grid region: NorthWestern EnergyRefreshed monthly
4
power projects, planned and operating
0MW
planned generation, 0 projects
16.4MW
operating generation, 4 hydro projects
0
planned projects past their listed in-service date
Map

Madison County and its neighbors

Counties shaded by data center MW on record, planned to operating. 2 of its 4 neighboring counties have pages of their own. The rest are in the member database.

Beaverhead no data centers Gallatin Jefferson Silver Bow 50 MW Madison no data centers
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
16.4MW

of operating generation across 4 plants, and nothing in the interconnection queue for Madison County.

Operating generation16.4 MW
Planned generation0 MW

Technology mix

4 projects, 16.4 MW planned and operating

Hydro16.4 MW4 projects, 100%
Which companies own these 4 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

4 plants operate inside Madison County, 16.4 MW of hydro. Nothing is in the queue for the county.

Figure 1

Operating and planned generation by technology

MW in Madison County

OperatingPlanned
HydroOperating 16.4 MW 4 projects
View as table
TechnologyStatusProjectsMW
HydroOperating416.4
Operating: 16.4 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.

Madison County against its neighbors

Silver Bow County has the most data center MW among the neighbors, 50 MW. 2 of the 2 have more generation operating than data center MW on record.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Silver Bow County 1
50
55
0 0.91x
Beaverhead County 0
0
80
400 0x
Madison County this page 0
0
16
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.

3 counties shown

Every record in Madison County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 4 records. Filter, sort and export to Excel.

Members only
County: Madison County, MTStatus: all except cancelledSort: MW, largest first 4 records
Project or campusDeveloperStatusMWYearContacts
4 records and 16.4 MW behind this preview

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