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Datacenter Sites in Will, Illinois

Will has 82 scored datacenter candidate sites averaging 55.6/100 DC Readiness, with a catalogued aggregate of 9,608 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.

At a glance

Will, Illinois has 82 scored datacenter candidate sites averaging 55.6/100 DC Readiness, roughly in line with the Illinois average of 53.6. It ranks 9th of 101 Illinois counties by number of sites and 24th by average score. The top-scoring site is JOLIET · 3960e2d9 at 66.5/100.

82
Candidate sites
55.6/100
Avg DC Readiness
9,608 MW
Catalogued capacity
theoretical aggregate
Relatively High
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in Will

Site-selection context for Will

Yessales_tax_exemption
Datacenter tax incentive
8.86¢/kWh
Commercial electricity
5.29¢/kWh
Industrial electricity
13
Fiber providers
Low
Water stress
$10,259
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 Will compare with other counties in Illinois?

By number of scored sites, Will ranks 9th of the 101 Illinois counties with a county page, holding 2.3% of the state's 3,641 sites. Its average DC Readiness of 55.6/100 ranks 24th in the state and is roughly in line with the national average of 53.0. Nationally it has the 422nd-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 51 score 55 or higher.

What types of datacenter sites are in Will?

Substation-Adjacent sites are the most common (34, 41% of the county's inventory), followed by greenfield (21) and former mine (13). 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 Will?

Industrial electricity averages 5.29¢/kWh and commercial 8.86¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (35). WRI water stress is low. 13 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 $10,259 an acre.

By site type

Top datacenter sites in Will

Top datacenter sites in Will
SiteTypeVoltageCapacityQueue waitScore
JOLIETSubstation-Adjacent345 kV600 MW4.8 yrs66.5
TAP138173Substation-Adjacent345 kV600 MW4.8 yrs63.9
WILTONSubstation-Adjacent765 kV1,000 MW4.8 yrs63.9
UNKNOWN124429Substation-Adjacent345 kV600 MW4.8 yrs63.8
GOODINGS GROVESubstation-Adjacent345 kV600 MW4.8 yrs63.2
EAST FRANKFORTSubstation-Adjacent345 kV600 MW4.8 yrs63.2
LOCKPORTSubstation-Adjacent345 kV600 MW4.8 yrs63.2
TAP138156Substation-Adjacent345 kV600 MW4.8 yrs62.9
UNKNOWN122306Substation-Adjacent138 kV100 MW4.8 yrs62.3
ELWOODSubstation-Adjacent345 kV600 MW4.8 yrs61.3
TAP138218Substation-Adjacent138 kV100 MW4.8 yrs60.7
Greene Valley Gas RecoveryBrownfield138 kV3 MW4.8 yrs60.6
EC Near Will CountyGreenfield——4.8 yrs60.0
EC Coal Will CountyGreenfield——4.8 yrs59.7
OZ WillGreenfield——4.8 yrs59.4
EC Near Joliet 29Greenfield——4.8 yrs59.2
EC Coal Will CountyGreenfield——4.8 yrs58.3
UNKNOWN124428Substation-Adjacent138 kV100 MW4.8 yrs58.1
UNKNOWN156629Substation-Adjacent138 kV100 MW4.8 yrs58.0
TAP138220Substation-Adjacent138 kV100 MW4.8 yrs58.0
EC Coal Will CountyGreenfield——4.8 yrs57.9
DEADEND167148Substation-Adjacent138 kV100 MW4.8 yrs57.8
UNKNOWN121987Substation-Adjacent138 kV100 MW4.8 yrs57.7
UNKNOWN121986Substation-Adjacent138 kV100 MW4.8 yrs57.6
EC Coal Will CountyGreenfield——4.8 yrs57.6

Every scored site in Will

All 82 sites, best first.

Will datacenter FAQ

How many datacenter sites are in Will?

82 scored datacenter candidate sites, averaging 55.6/100 DC Readiness. That is the 9th-most of 101 Illinois counties with five or more sites.

What is the highest-scoring datacenter site in Will?

JOLIET · 3960e2d9 scores 66.5/100 DC Readiness, the highest of the 82 scored sites in Will (a substation-adjacent site).

Does Will offer datacenter tax incentives?

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

What is the natural-hazard risk in Will?

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

What are industrial electricity rates in Will?

Average industrial electricity is 5.29¢/kWh and commercial is 8.86¢/kWh in Will.

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 Will, Illinois”, https://gridcensus.com/datacenter-sites/illinois/will (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 Will, 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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