FieldProspects

Trempealeau County, Wisconsin

Trempealeau County, Wisconsin has 12 power projects in the FieldProspects database: 11 operating plants totaling 21.9 MW and 1 planned project totaling 89 MW. No data center record lists the county. Solar leads with 94 MW across 2 projects. 1 planned project is past its listed in-service date.

Data as of Grid region: Midcontinent ISO (MISO)Refreshed monthly
12
power projects, planned and operating
89MW
planned generation, 1 project
21.9MW
operating generation, 11 projects
1
planned project past its listed in-service date
Map

Trempealeau County and its neighbors

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

Buffalo no data centers La Crosse no data centers Eau Claire no data centers Jackson no data centers Trempealeau 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
4.1times

more planned than operating generation in Trempealeau County. 1 project in the queue would add 89 MW to the 21.9 MW operating today, and one of them is past its listed in-service date.

Operating generation21.9 MW
Planned generation89 MW

Technology mix

12 projects, 110.9 MW planned and operating

Solar94 MW2 projects, 85%
Oil10.9 MW8 projects, 10%
Natural Gas6 MW2 projects, 5%
Which companies own these 12 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

11 plants operate inside Trempealeau County, 21.9 MW. The queue adds 89 MW across 1 project, and one of them is past its listed in-service date.

Figure 1

Operating and planned generation by technology

MW in Trempealeau County

OperatingPlanned
SolarOperating 5 MW 1 project
SolarPlanned 89 MW 1 project
OilOperating 10.9 MW 8 projects
Natural GasOperating 6 MW 2 projects
View as table
TechnologyStatusProjectsMW
SolarOperating15
SolarPlanned189
OilOperating810.9
Natural GasOperating26
Operating: 21.9 MW. Planned: 89 MW. If every planned project is built, county generation would reach 110.9 MW.
Source. FieldProspects database: ISO/RTO interconnection queues, EIA-860M and public data center filings, data as of October 8, 2026.
Figure 2

Planned generation by listed in-service year

MW. Years before 2026 are past due.

Past dueDue 2026 or later
0255075100 89 2024
View as table
YearPlanned projectsMW
2024189
1 project, 89 MW, was due before 2026

Trempealeau County against its neighbors

None of the 4 neighboring counties with a page lists a data center record. Buffalo County has the most operating generation among them, 390 MW.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Buffalo County 0
0
390
3 0x
La Crosse County 0
0
192
92 0x
Trempealeau County this page 0
0
22
89 0x
Eau Claire County 0
0
15
0 0x
Jackson County 0
0
7
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.

5 counties shown

Every record in Trempealeau County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 12 records. Filter, sort and export to Excel.

Members only
County: Trempealeau County, WIStatus: all except cancelledSort: MW, largest first 12 records
Project or campusDeveloperStatusMWYearContacts
12 records and 110.9 MW behind this preview

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