FieldProspects

Lake County, Illinois

Lake County, Illinois has 28 MW of data centers on record, planned to operating, across 1 record, against 733.3 MW of generation operating inside the county. The queue adds 640 MW of planned generation across 2 projects. That is 0.2% of Illinois's data center MW.

Data as of Grid region: PJM InterconnectionRefreshed monthly
28MW
data centers, planned to operating
1
data center records, not cancelled
0.2%
of Illinois's data center MW
733.3MW
operating generation, 15 projects
640MW
planned generation, 2 projects
1
data center developers active here
Map

Lake County and its neighbors

Counties shaded by data center MW on record, planned to operating. 2 of its 2 neighboring counties have pages of their own. The rest are in the member database.

McHenry no data centers Cook 2.2 GW Lake 28 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
4%

of the generation operating in the county is matched by data center MW on record: 28 MW of data centers against 733.3 MW of plants, with 640 MW more planned.

Data centers, planned to operating28 MW
Operating generation733.3 MW
Planned generation640 MW

Data centers by status

1 record, 28 MW

Operating28 MW1 record, 100%
Who owns each of the 1 records?Campus names, developers and contacts are for members.See what members get

The data center pipeline

None of the 1 record lists a year online or expected, so the pipeline is shown by developer only.

Figure 1

Who is building in Lake

Data center developers by MW on record. Top 1 of 1.

Chirisa Technology Parks 28 MW 1 site
View as table
DeveloperSitesMW
Chirisa Technology Parks128
Members see all 1 developer, each campus they own here, and the people who run their site selection and energy procurement.
Source. FieldProspects database: ISO/RTO interconnection queues, EIA-860M and public data center filings, data as of October 8, 2026. Aggregates only. Campus names are for members.

Power generation in the county

15 plants operate inside Lake County, 733.3 MW. The queue adds 640 MW across 2 projects.

Figure 3

Operating and planned generation by technology

MW in Lake County

OperatingPlanned
Battery StoragePlanned 635 MW 1 project
Natural GasOperating 612.3 MW 9 projects
OilOperating 112 MW 4 projects
SolarOperating 9 MW 2 projects
SolarPlanned 5 MW 1 project
View as table
TechnologyStatusProjectsMW
Battery StoragePlanned1635
Natural GasOperating9612.3
OilOperating4112
SolarOperating29
SolarPlanned15
Operating: 733.3 MW. Planned: 640 MW. Even if every planned project is built, county generation would reach 1.4 GW against 28 MW of data centers.
Source: ISO queues and EIA-860M, via FieldProspects
Figure 4

Planned generation by listed in-service year

MW. Years before 2026 are past due.

Past dueDue 2026 or later
0200400600800 Snapshot year 5 2026 2027 2028 635 2029
View as table
YearPlanned projectsMW
202615
202700
202800
20291635
No planned project is past its listed year

Lake County against its neighbors

Cook County has the most data center MW among the neighbors, 2.2 GW, more than Lake County. 1 of the 2 have more generation operating than data center MW on record.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Cook County 48
2,156
1,364
510 1.6x
Lake County this page 1
28
733
640 0.04x
McHenry County 0
0
89
2,017 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.

3 counties shown

What changed since June 4, 2026

3 projects in Lake 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, 5 MW
0
came online, started construction or signed an interconnection agreement, 0 MW
2
cancelled, dropped or went inactive, 682.4 MW
0
slipped their in-service date, 0 MW

Every change in Lake County

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

Members only
County: Lake County, ILSince 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 Lake County

Campus or project name, developer, status, MW, year and the developer’s contacts, for all 18 records. Filter, sort and export to Excel.

Members only
County: Lake County, ILStatus: all except cancelledSort: MW, largest first 18 records
Project or campusDeveloperStatusMWYearContacts
18 records and 1.4 GW behind this preview

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