FieldProspects

McDonough County, Illinois

McDonough County, Illinois has 18 power projects in the FieldProspects database: 13 operating plants totaling 170.8 MW and 5 planned projects totaling 225.1 MW. No data center record lists the county. Wind leads with 365.6 MW across 3 projects. 1 planned project is past its listed in-service date.

Data as of Grid region: Midcontinent ISO (MISO)Refreshed monthly
18
power projects, planned and operating
225.1MW
planned generation, 5 projects
170.8MW
operating generation, 13 projects
1
planned project past its listed in-service date
Map

McDonough County and its neighbors

Counties shaded by data center MW on record, planned to operating. 1 of its 5 neighboring counties have pages of their own. The rest are in the member database.

McDonough no data centers Fulton no data centers Schuyler Warren Henderson Hancock
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
1.3times

more planned than operating generation in McDonough County. 5 projects in the queue would add 225.1 MW to the 170.8 MW operating today, and one of them is past its listed in-service date.

Operating generation170.8 MW
Planned generation225.1 MW

Technology mix

18 projects, 395.9 MW planned and operating

Wind365.6 MW3 projects, 92%
Solar17 MW7 projects, 4%
Oil13.3 MW8 projects, 3%
Which companies own these 18 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

13 plants operate inside McDonough County, 170.8 MW. The queue adds 225.1 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 McDonough County

OperatingPlanned
WindOperating 150 MW 1 project
WindPlanned 215.6 MW 2 projects
SolarOperating 10 MW 5 projects
SolarPlanned 7 MW 2 projects
OilOperating 10.8 MW 7 projects
OilPlanned 2.5 MW 1 project
View as table
TechnologyStatusProjectsMW
WindOperating1150
WindPlanned2215.6
SolarOperating510
SolarPlanned27
OilOperating710.8
OilPlanned12.5
Operating: 170.8 MW. Planned: 225.1 MW. If every planned project is built, county generation would reach 395.9 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
0100200300 Snapshot year 16 2019 2020 2021 2022 2023 2024 2025 207 2026 3 2027
View as table
YearPlanned projectsMW
2019115.6
202000
202100
202200
202300
202400
202500
20263207
202712.5
1 project, 15.6 MW, was due before 2026

McDonough County against its neighbors

None of the 1 neighboring county with a page lists a data center record. Fulton County has the most operating generation among them, 156.5 MW.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
McDonough County this page 0
0
171
225 0x
Fulton County 0
0
157
1,721 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.

2 counties shown

What changed since June 4, 2026

4 projects in McDonough 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, 3 MW
2
came online, started construction or signed an interconnection agreement, 5 MW
0
cancelled, dropped or went inactive, 0 MW
1
slipped its in-service date, 2.5 MW

Every change in McDonough County

Project, what changed, technology, MW and the dates that moved, for all 4 changes.

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

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 18 records. Filter, sort and export to Excel.

Members only
County: McDonough County, ILStatus: all except cancelledSort: MW, largest first 18 records
Project or campusDeveloperStatusMWYearContacts
18 records and 395.9 MW behind this preview

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