FieldProspects

Shiawassee County, Michigan

Shiawassee County, Michigan has 16 power projects in the FieldProspects database: 11 operating plants totaling 287 MW and 5 planned projects totaling 849 MW. No data center record lists the county. Solar leads with 808 MW across 8 projects. 3 planned projects are past their listed in-service date.

Data as of Grid region: Midcontinent ISO (MISO)Refreshed monthly
16
power projects, planned and operating
849MW
planned generation, 5 projects
287MW
operating generation, 11 projects
3
planned projects past their listed in-service date
Map

Shiawassee County and its neighbors

Counties shaded by data center MW on record, planned to operating. 6 of its 6 neighboring counties have pages of their own. The rest are in the member database.

Clinton no data centers Gratiot no data centers Saginaw no data centers Ingham no data centers Livingston no data centers Shiawassee no data centers Genesee 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
3times

more planned than operating generation in Shiawassee County. 5 projects in the queue would add 849 MW to the 287 MW operating today, and 3 of them are past their listed in-service date.

Operating generation287 MW
Planned generation849 MW

Technology mix

16 projects, 1.1 GW planned and operating

Solar808 MW8 projects, 71%
Transmission170 MW1 project, 15%
Battery Storage150 MW1 project, 13%
One other technology8 MW6 projects, 1%
Which companies own these 16 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

11 plants operate inside Shiawassee County, 287 MW of solar and landfill gas. The queue adds 849 MW across 5 projects, and 3 of them are past their listed in-service date.

Figure 1

Operating and planned generation by technology

MW in Shiawassee County

OperatingPlanned
SolarOperating 279 MW 5 projects
SolarPlanned 529 MW 3 projects
TransmissionPlanned 170 MW 1 project
Battery StoragePlanned 150 MW 1 project
Landfill GasOperating 8 MW 6 projects
View as table
TechnologyStatusProjectsMW
SolarOperating5279
SolarPlanned3529
TransmissionPlanned1170
Battery StoragePlanned1150
Landfill GasOperating68
Operating: 287 MW. Planned: 849 MW. If every planned project is built, county generation would reach 1.1 GW.
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. 1 planned project lists no date and is left out.

Past dueDue 2026 or later
0100200300 Snapshot year 239 2020 2021 2022 2023 170 2024 120 2025 2026 2027 2028 2029 2030 150 2031
View as table
YearPlanned projectsMW
20201239
202100
202200
202300
20241170
20251120
202600
202700
202800
202900
203000
20311150
3 projects, 529 MW, were due before 2026

Shiawassee County against its neighbors

None of the 6 neighboring counties with a page lists a data center record. Gratiot County has the most operating generation among them, 1.1 GW.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Gratiot County 0
0
1,124
768 0x
Shiawassee County this page 0
0
287
849 0x
Ingham County 0
0
276
430 0x
Genesee County 0
0
117
1,600 0x
Clinton County 0
0
23
150 0x
Livingston County 0
0
14
690 0x
Saginaw County 0
0
9
1,431 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.

7 counties shown

What changed since June 4, 2026

3 projects in Shiawassee County moved between the two snapshots. Counts and MW are below; the projects themselves are for members.

Open the change feed
0
added to a queue, 0 MW
0
came online, started construction or signed an interconnection agreement, 0 MW
2
cancelled, dropped or went inactive, 480 MW
1
slipped its in-service date, 150 MW

Every change in Shiawassee County

Project, what changed, technology, MW and the dates that moved, for all 3 changes.

Members only
County: Shiawassee County, MISince June 4, 2026 3 changes
ProjectChangeTechnologyMWPrevious dateNew date
3 changes 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 Shiawassee County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 16 records. Filter, sort and export to Excel.

Members only
County: Shiawassee County, MIStatus: all except cancelledSort: MW, largest first 16 records
Project or campusDeveloperStatusMWYearContacts
16 records and 1.1 GW behind this preview

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