FieldProspects

Ogle County, Illinois

Ogle County, Illinois has 37 power projects in the FieldProspects database: 28 operating plants totaling 2.5 GW and 9 planned projects totaling 6.2 GW. No data center record lists the county. Nuclear leads with 7.5 GW across 4 projects. 3 planned projects are past their listed in-service date.

Data as of Grid region: PJM InterconnectionRefreshed monthly
37
power projects, planned and operating
6.2GW
planned generation, 9 projects
2.5GW
operating generation, 28 projects
3
planned projects past their listed in-service date
Map

Ogle County and its neighbors

Counties shaded by data center MW on record, planned to operating. 5 of its 6 neighboring counties have pages of their own. The rest are in the member database.

Winnebago 0 MW DeKalb 244 MW Ogle no data centers Stephenson no data centers Lee no data centers Carroll Whiteside 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
2.5times

more planned than operating generation in Ogle County. 9 projects in the queue would add 6.2 GW to the 2.5 GW operating today, and 3 of them are past their listed in-service date.

Operating generation2.5 GW
Planned generation6.2 GW

Technology mix

37 projects, 8.7 GW planned and operating

Nuclear7.5 GW4 projects, 86%
Solar1 GW13 projects, 12%
Wind150 MW1 project, 2%
3 other technologies37.7 MW19 projects, 0%
Which companies own these 37 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

28 plants operate inside Ogle County, 2.5 GW. The queue adds 6.2 GW across 9 projects, and 3 of them are past their listed in-service date.

Figure 1

Operating and planned generation by technology

MW in Ogle County

OperatingPlanned
NuclearOperating 2.4 GW 2 projects
NuclearPlanned 5.1 GW 2 projects
SolarOperating 14.8 MW 7 projects
SolarPlanned 1 GW 6 projects
WindPlanned 150 MW 1 project
Natural GasOperating 19.8 MW 7 projects
OilOperating 13.1 MW 9 projects
Landfill GasOperating 4.8 MW 3 projects
View as table
TechnologyStatusProjectsMW
NuclearOperating22,449.8
NuclearPlanned25,060
SolarOperating714.8
SolarPlanned61,000
WindPlanned1150
Natural GasOperating719.8
OilOperating913.1
Landfill GasOperating34.8
Operating: 2.5 GW. Planned: 6.2 GW. If every planned project is built, county generation would reach 8.7 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. 2 planned projects list no date and are left out.

Past dueDue 2026 or later
01k2k3k Snapshot year 750 2025 2,530 2026 2027 100 2028 150 2029
View as table
YearPlanned projectsMW
20253750
202612,530
202700
20282100
20291150
3 projects, 750 MW, were due before 2026

Ogle County against its neighbors

DeKalb County has the most data center MW among the neighbors, 244 MW. 5 of the 5 have more generation operating than data center MW on record.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
DeKalb County 7
244
306
966 0.8x
Ogle County this page 0
0
2,502
6,210 0x
Lee County 0
0
2,285
11,757 0x
Winnebago County 1
0
520
1,135 0x
Stephenson County 0
0
270
2 0x
Whiteside County 0
0
64
747 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

4 projects in Ogle 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
4
cancelled, dropped or went inactive, 1.9 GW
0
slipped their in-service date, 0 MW

Every change in Ogle County

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

Members only
County: Ogle 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 Ogle County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 37 records. Filter, sort and export to Excel.

Members only
County: Ogle County, ILStatus: all except cancelledSort: MW, largest first 37 records
Project or campusDeveloperStatusMWYearContacts
37 records and 8.7 GW behind this preview

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