FieldProspects

Cass County, Illinois

Cass County, Illinois has 4 power projects in the FieldProspects database: 3 operating plants totaling 156.5 MW and 1 planned project totaling 149.9 MW. No data center record lists the county. Solar leads with 306.4 MW across 4 projects. 1 planned project is past its listed in-service date.

Data as of Grid region: Midcontinent ISO (MISO)Refreshed monthly
4
power projects, planned and operating
149.9MW
planned generation, 1 project
156.5MW
operating generation, 3 solar projects
1
planned project past its listed in-service date
Map

Cass County and its neighbors

Counties shaded by data center MW on record, planned to operating. 3 of its 6 neighboring counties have pages of their own. The rest are in the member database.

Mason no data centers Cass no data centers Morgan no data centers Schuyler Brown Menard Sangamon 636 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
96%

of the county's operating generation is in the queue as new capacity: 149.9 MW planned across 1 project against 156.5 MW operating, 1 of the planned project already late.

Operating generation156.5 MW
Planned generation149.9 MW

Technology mix

4 projects, 306.4 MW planned and operating

Solar306.4 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

3 plants operate inside Cass County, 156.5 MW of solar. The queue adds 149.9 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 Cass County

OperatingPlanned
SolarOperating 156.5 MW 3 projects
SolarPlanned 149.9 MW 1 project
View as table
TechnologyStatusProjectsMW
SolarOperating3156.5
SolarPlanned1149.9
Operating: 156.5 MW. Planned: 149.9 MW. If every planned project is built, county generation would reach 306.4 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
050100150 150 2022
View as table
YearPlanned projectsMW
20221149.9
1 project, 149.9 MW, was due before 2026

Cass County against its neighbors

Sangamon County has the most data center MW among the neighbors, 636 MW. 3 of the 3 have more generation operating than data center MW on record.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Sangamon County 4
636
1,313
3,429 0.48x
Mason County 0
0
412
1,433 0x
Morgan County 0
0
183
534 0x
Cass County this page 0
0
157
150 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.

4 counties shown

Every record in Cass 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: Cass County, ILStatus: all except cancelledSort: MW, largest first 4 records
Project or campusDeveloperStatusMWYearContacts
4 records and 306.4 MW behind this preview

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