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Datacenter Sites in DuPage, Illinois

DuPage has 67 scored datacenter candidate sites averaging 60.2/100 DC Readiness, with a catalogued aggregate of 12,737 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.

At a glance

DuPage, Illinois has 67 scored datacenter candidate sites averaging 60.2/100 DC Readiness, about 12% above the Illinois average of 53.6. It ranks 13th of 101 Illinois counties by number of sites and 1st by average score. The top-scoring site is Electric Junction at 65.8/100.

67
Candidate sites
60.2/100
Avg DC Readiness
12,737 MW
Catalogued capacity
theoretical aggregate
Relatively High
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in DuPage

Site-selection context for DuPage

Yessales_tax_exemption
Datacenter tax incentive
9.11¢/kWh
Commercial electricity
5.67¢/kWh
Industrial electricity
14
Fiber providers
Low
Water stress
$57,683
Land price / acre
1,100
Cooling degree days
5,600
Heating degree days
52°F
Mean annual temp

Incentive detail: Enterprise Zone sales tax exemption; High Impact Business designation for $12M+ DC investments.

How does DuPage compare with other counties in Illinois?

By number of scored sites, DuPage ranks 13th of the 101 Illinois counties with a county page, holding 1.8% of the state's 3,641 sites. Its average DC Readiness of 60.2/100 ranks 1st in the state and is about 14% above the national average of 53.0. Nationally it has the 549th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 65 score 55 or higher.

What types of datacenter sites are in DuPage?

Substation-Adjacent sites are the most common (53, 79% of the county's inventory), followed by greenfield (10) and brownfield (2). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.

What are power cost, hazard, water and fiber conditions in DuPage?

Industrial electricity averages 5.67¢/kWh and commercial 9.11¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (35). WRI water stress is low. 14 fiber providers report service in the county. The climate runs 1,100 cooling degree days a year with a mean temperature of 52°F. Land is valued around $57,683 an acre.

By site type

Top datacenter sites in DuPage

Top datacenter sites in DuPage
SiteTypeVoltageCapacityQueue waitScore
Electric JunctionBrownfield—304 MW4.8 yrs65.8
ELMHURSTSubstation-Adjacent345 kV600 MW4.8 yrs65.2
ELECTRIC LIGHT 345 KVSubstation-Adjacent345 kV600 MW4.8 yrs65.2
UNKNOWN122226Substation-Adjacent345 kV600 MW4.8 yrs65.2
TAP138235Substation-Adjacent345 kV600 MW4.8 yrs65.1
TAP138253Substation-Adjacent345 kV600 MW4.8 yrs65.1
ITASCASubstation-Adjacent345 kV600 MW4.8 yrs65.1
LISLESubstation-Adjacent345 kV600 MW4.8 yrs65.1
UNKNOWN122220Substation-Adjacent345 kV600 MW4.8 yrs65.0
UNKNOWN122221Substation-Adjacent345 kV600 MW4.8 yrs65.0
LOMBARDSubstation-Adjacent345 kV600 MW4.8 yrs64.1
WOLFS CROSSINGSubstation-Adjacent345 kV600 MW4.8 yrs64.0
UNKNOWN122246Substation-Adjacent345 kV600 MW4.8 yrs63.9
UNKNOWN122244Substation-Adjacent345 kV600 MW4.8 yrs63.9
LombardBrownfield345 kV133 MW4.8 yrs63.9
BOLLINGBROOKSubstation-Adjacent345 kV600 MW4.8 yrs63.6
EC Near LombardGreenfield——4.8 yrs61.7
EC Near Greene Valley Gas RecoveryGreenfield——4.8 yrs61.5
EC Near LombardGreenfield——4.8 yrs61.4
OZ DuPageGreenfield——4.8 yrs60.8
EC Near LombardGreenfield——4.8 yrs60.7
EC Near LombardGreenfield——4.8 yrs60.6
EC Near Greene Valley Gas RecoveryGreenfield——4.8 yrs60.0
EC FFE DuPage CountyGreenfield——4.8 yrs59.9
TAP138249Substation-Adjacent138 kV100 MW4.8 yrs59.4

Every scored site in DuPage

All 67 sites, best first.

DuPage datacenter FAQ

How many datacenter sites are in DuPage?

67 scored datacenter candidate sites, averaging 60.2/100 DC Readiness. That is the 13th-most of 101 Illinois counties with five or more sites.

What is the highest-scoring datacenter site in DuPage?

Electric Junction scores 65.8/100 DC Readiness, the highest of the 67 scored sites in DuPage (a brownfield site).

Does DuPage offer datacenter tax incentives?

Enterprise Zone sales tax exemption; High Impact Business designation for $12M+ DC investments.

What is the natural-hazard risk in DuPage?

FEMA's National Risk Index rates DuPage as "Relatively High" (score 35).

What are industrial electricity rates in DuPage?

Average industrial electricity is 5.67¢/kWh and commercial is 9.11¢/kWh in DuPage.

More in Illinois

About this data

Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published November 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “Datacenter candidate sites in DuPage, Illinois”, https://gridcensus.com/datacenter-sites/illinois/dupage (data as of November 12, 2026).

Dataset updated . Screening estimates derived from public data sources.

Go deeper than the public screen

Every site and score for DuPage, Illinois is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.

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