FieldProspects

Cumberland County, Illinois

Cumberland County, Illinois has 6 power projects in the FieldProspects database: 1 operating plant totaling 273.6 MW and 5 planned projects totaling 759.5 MW. No data center record lists the county. Solar leads with 673.1 MW across 3 projects. 1 planned project is past its listed in-service date.

Data as of Grid region: Midcontinent ISO (MISO)Refreshed monthly
6
power projects, planned and operating
759.5MW
planned generation, 5 projects
273.6MW
operating generation, 1 solar project
1
planned project past its listed in-service date
Map

Cumberland County and its neighbors

Counties shaded by data center MW on record, planned to operating. 5 of its 5 neighboring counties have pages of their own. The rest are in the member database.

Effingham 0 MW Jasper no data centers Cumberland no data centers Clark no data centers Shelby no data centers Coles 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
2.8times

more planned than operating generation in Cumberland County. 5 projects in the queue would add 759.5 MW to the 273.6 MW operating today, and one of them is past its listed in-service date.

Operating generation273.6 MW
Planned generation759.5 MW

Technology mix

6 projects, 1 GW planned and operating

Solar673.1 MW3 projects, 65%
Other210 MW1 project, 20%
Transmission150 MW1 project, 15%
Which companies own these 6 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

1 plant operate inside Cumberland County, 273.6 MW of solar. The queue adds 759.5 MW across 5 projects, and one of them is past its listed in-service date.

Figure 1

Operating and planned generation by technology

MW in Cumberland County

OperatingPlanned
SolarOperating 273.6 MW 1 project
SolarPlanned 399.5 MW 2 projects
OtherPlanned 210 MW 1 project
TransmissionPlanned 150 MW 1 project
Battery StoragePlanned 0 MW 1 project
View as table
TechnologyStatusProjectsMW
SolarOperating1273.6
SolarPlanned2399.5
OtherPlanned1210
TransmissionPlanned1150
Battery StoragePlanned10
Operating: 273.6 MW. Planned: 759.5 MW. If every planned project is built, county generation would reach 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.

Past dueDue 2026 or later
0100200300400 Snapshot year 2023 2024 2025 400 2026 360 2027
View as table
YearPlanned projectsMW
202310
202400
202500
20262400
20272359.5
1 project, 0 MW, was due before 2026

Cumberland County against its neighbors

None of the 5 neighboring counties with a page lists a data center record. Shelby County has the most operating generation among them, 1.2 GW.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Shelby County 0
0
1,185
1,025 0x
Jasper County 0
0
671
874 0x
Coles County 0
0
301
1,298 0x
Cumberland County this page 0
0
274
760 0x
Clark County 0
0
189
1,059 0x
Effingham County 1
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.

6 counties shown

What changed since June 4, 2026

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

Open the change feed
2
added to a queue, 360 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 Cumberland County

Project, what changed, technology, MW and the dates that moved, for all 2 changes.

Members only
County: Cumberland County, ILSince June 4, 2026 2 changes
ProjectChangeTechnologyMWPrevious dateNew date
2 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 Cumberland County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 6 records. Filter, sort and export to Excel.

Members only
County: Cumberland County, ILStatus: all except cancelledSort: MW, largest first 6 records
Project or campusDeveloperStatusMWYearContacts
6 records and 1 GW behind this preview

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