FieldProspects

Milwaukee County, Wisconsin

Milwaukee County, Wisconsin has 3 MW of data centers on record, planned to operating, across 1 record, against 2.4 GW of generation operating inside the county. The queue adds 2.6 GW of planned generation across 8 projects. That is 0.1% of Wisconsin's data center MW.

Data as of Grid region: Midcontinent ISO (MISO)Refreshed monthly
3MW
data centers, planned to operating
1
data center records, not cancelled
0.1%
of Wisconsin's data center MW
2.4GW
operating generation, 25 projects
2.6GW
planned generation, 8 projects
1
data center developers active here
Map

Milwaukee County and its neighbors

Counties shaded by data center MW on record, planned to operating. 2 of its 3 neighboring counties have pages of their own. The rest are in the member database.

Waukesha Ozaukee 1.2 GW Racine 2.4 GW Milwaukee 3 MW
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
0%

of the generation operating in the county is matched by data center MW on record: 3 MW of data centers against 2.4 GW of plants, with 2.6 GW more planned.

Data centers, planned to operating3 MW
Operating generation2.4 GW
Planned generation2.6 GW

Data centers by status

1 record, 3 MW

Operating3 MW1 record, 100%
Who owns each of the 1 records?Campus names, developers and contacts are for members.See what members get

The data center pipeline

None of the 1 record lists a year online or expected, so the pipeline is shown by developer only.

Figure 1

Who is building in Milwaukee

Data center developers by MW on record. Top 1 of 1.

Tierpoint 3 MW 1 site
View as table
DeveloperSitesMW
Tierpoint13
Members see all 1 developer, each campus they own here, and the people who run their site selection and energy procurement.
Source. FieldProspects database: ISO/RTO interconnection queues, EIA-860M and public data center filings, data as of October 8, 2026. Aggregates only. Campus names are for members.

Power generation in the county

25 plants operate inside Milwaukee County, 2.4 GW. The queue adds 2.6 GW across 8 projects.

Figure 3

Operating and planned generation by technology

MW in Milwaukee County

OperatingPlanned
CoalOperating 2 GW 4 projects
Natural GasOperating 294.1 MW 4 projects
Natural GasPlanned 1.2 GW 5 projects
TransmissionPlanned 1.1 GW 1 project
Battery StoragePlanned 300 MW 1 project
Landfill GasOperating 18.4 MW 8 projects
SolarOperating 5.8 MW 3 projects
SolarPlanned 4.6 MW 1 project
BiomassOperating 5.1 MW 5 projects
OilOperating 2.7 MW 1 project
View as table
TechnologyStatusProjectsMW
CoalOperating42,044.2
Natural GasOperating4294.1
Natural GasPlanned51,181.5
TransmissionPlanned11,138
Battery StoragePlanned1300
Landfill GasOperating818.4
SolarOperating35.8
SolarPlanned14.6
BiomassOperating55.1
OilOperating12.7
Operating: 2.4 GW. Planned: 2.6 GW. Even if every planned project is built, county generation would reach 5 GW against 3 MW of data centers.
Source: ISO queues and EIA-860M, via FieldProspects
Figure 4

Planned generation by listed in-service year

MW. Years before 2026 are past due. 1 planned project lists no date and is left out.

Past dueDue 2026 or later
05001k1.5k Snapshot year 5 2026 2027 1,481 2028
View as table
YearPlanned projectsMW
202614.6
202700
202861,481.5
No planned project is past its listed year

Milwaukee County against its neighbors

Racine County has the most data center MW among the neighbors, 2.4 GW, more than Milwaukee County. 1 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
Racine County 17
2,401
340
0 7.1x
Ozaukee County 4
1,173
1,237
48 0.95x
Milwaukee County this page 1
3
2,370
2,624 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

What changed since June 4, 2026

1 project in Milwaukee County moved between the two snapshots. Counts and MW are below; the projects themselves are for members.

Open the change feed
1
added to a queue, 4.6 MW
0
came online, started construction or signed an interconnection agreement, 0 MW
0
cancelled, dropped or went inactive, 0 MW
0
slipped their in-service date, 0 MW

Every change in Milwaukee County

Project, what changed, technology, MW and the dates that moved, for all 1 change.

Members only
County: Milwaukee County, WISince June 4, 2026 1 change
ProjectChangeTechnologyMWPrevious dateNew date
1 change behind this preview

Rows are hidden on public pages. Members see the project behind each change, its developer and the dates that moved.

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Every record in Milwaukee County

Campus or project name, developer, status, MW, year and the developer’s contacts, for all 34 records. Filter, sort and export to Excel.

Members only
County: Milwaukee County, WIStatus: all except cancelledSort: MW, largest first 34 records
Project or campusDeveloperStatusMWYearContacts
34 records and 5 GW behind this preview

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