Illinois Data Center Intelligence

Mapped Illinois data center sites, with their power, water and risk

One app for every Illinois county: data center sites, power, grid and FEMA risk, with hearing alerts and an API. 57 data center buildings are mapped in 6 of its 102 counties, and businesses pay 13.10¢ per kWh for power, 2% below the US average.

$390 a month3 seats · cancel any time

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Where are Illinois's data centers?

57 mapped buildings sit in 6 of Illinois's 102 counties. Cook County has the most: 32.

Which risks do the counties with data centers face?

Tornadoes are the most common risk: 5 of the 6 counties with mapped data centers rate high for them.

Bars: counties with mapped data centers that rate Relatively high or Very high . Tap one to show it on the map.

All 102 counties as a table

County facts

What will a Illinois site pay for power, and how fast is demand growing?

Business power in Illinois costs 13.10¢ per kWh, 2% below the US, and demand fell 5.9% since 2019.

What do businesses pay for power?

13.10¢ per kWh in 2025, 2% below the US average of 13.37¢.

Businesses18th most expensive of 51
Illinois
13.10¢
US
13.37¢

How fast is business power demand growing?

Business power use in Illinois fell 5.9% since 2019, while the US grew 10.5%.

What makes Illinois's power?

191.8 TWh generated in 2025: nuclear 51%, coal 16%, natural gas 16%.

Nuclear51%
Coal16%
Natural gas16%
Wind13%
Solar3.5%

Under 1% each: other (eia's catch-all), other biomass, other gases, hydro, petroleum.

How much new power is proposed?

8,647 MW of new plants are proposed for 2026–2030, about a fifth of today's 48,270 MW: solar 56%, wind 29%, natural gas 12%, other 2%.

Solar4,824 MW
Wind2,542 MW
Natural gas1,056 MW
Other (EIA's catch-all)202 MW
Hydro20 MW
Petroleum2 MW

Which grid would a Illinois site join, and what are its water and hazard risks?

PJM serves 66.5% of Illinois's power sales; inland flooding, heat waves, tornadoes and drought cost it most.

Which grid serves Illinois?

PJM serves 66.5% of Illinois's retail power sales.

PJM66.5%
MISO33.4%

Share of 2025 retail sales, by each utility's balancing authority .

How much water do Illinois's power plants use?

Illinois's power plants took in 3,485 billion gallons of water in 2024 to cool and returned about 98%; 67.4 billion gallons were used up .

Returned 98.1%Used up 1.9%

Which hazards cost Illinois most?

Inland flooding, heat waves, tornadoes and drought are Illinois's biggest risks: each rates relatively high against other states .

Inland floodingRelatively high
Heat waveRelatively high
TornadoRelatively high
DroughtRelatively high
EarthquakeRelatively moderate
Coastal floodingVery low
HurricaneVery low
WildfireVery low

Who uses it, and what do they see first?

Lawyers, brokers, site teams, utilities, insurers and investors each start from their own view of Illinois's 102 counties.

Land-use and energy lawyers

Follow counties with data centers, their hearings and FEMA risk.

Cook County32 mapped · risk very high
DuPage County19 mapped · risk relatively high
DeKalb County3 mapped · risk relatively low

6counties with data centers to follow, each with its planning and zoning agendas

Land and industrial brokers

Rank counties by mapped data center buildings, with the power price behind them.

Cook County32
DuPage County19
DeKalb County3
Champaign County1
Lake County1

32mapped buildings in Cook County, the most in Illinois

Site selection teams

Shortlist counties by mapped sites, power and risk on one map.

6of 102 counties have mapped data centers

Utilities and power buyers

Follow prices, demand and the grid behind each site. Bars: business power sales since 2019.

Illinois−5.9%
US+10.5%

−5.9%business power sales since 2019, US +10.5%

Insurers and lenders

Bars: how many of the counties with data centers rate high for each hazard.

Tornado5 of 6
Inland flooding3 of 6
Heat wave2 of 6
Drought1 of 6

5of 6 counties with mapped data centers rate high for at least one

Investors and analysts

See which new power plants are proposed, by source and size. Bars: MW proposed.

Solar4,824
Wind2,542
Natural gas1,056
Other202

8,647MW of new plants proposed for 2026–2030

What's inside Illinois Data Center Intelligence?

One app for all 102 Illinois counties, plus hearing alerts and an API. Every screen below is filled with Illinois's real data.

The Intelligence app

Every county's sites, power, water and risk on one screen, with your watchlist.

app.camsahead.com/intelligence/illinois

OverviewMapSitesAI campusesProjectsPowerWaterRiskHearingsAlertsAPI

57mapped buildings

13.10¢business power, per kWh

−0.4%business demand, last 12 months

Watchlist	Mapped	Flood	Heat	Drought
Cook County	32	Very high	Very high	Very low
DuPage County	19	high	moderate	Very low
DeKalb County	3	moderate	low	moderate
Champaign County	1	moderate	moderate	high
Lake County	1	high	moderate	low

Hearings and filings

Follow counties and cases; get the agenda and the record when a hearing is posted.

Hearings · Illinois

Illinois · counties you follow Planning, zoning and utility agendas

Cook County32 mapped data center buildingsAgenda alerts
DuPage County19 mapped data center buildingsAgenda alerts
DeKalb County3 mapped data center buildingsAgenda alerts
Champaign County1 mapped data center buildingsAgenda alerts

Alerts

New projects, stage changes, hearings and data updates for what you follow, by email or in the app.

Alerts · Illinois

Power demandBusiness power sales −0.4% on the year before: 45.9 TWhEIA-861M, 2025-09 to 2026-08
Site riskCook County (32 mapped buildings) rates Very high for inland floodingFEMA National Risk Index
New supply8,647 MW of new plants proposed for 2026–2030EIA-860

Data API

County, power, risk and project data as JSON for your own tools.

api.camsahead.com

GET /v1/counties/17031

{
  "fips": "17031",
  "name": "Cook County",
  "state": "IL",
  "pop2025": 5194625,
  "pop_change_2020_pct": -1.6,
  "density_per_sqmi": 5497.4,
  "nri": {
    "risk_rating": "Very High",
    "ifld": {
      "rating": "Very High",
      "score": 99.9

Show the full response

    },
    "hwav": {
      "rating": "Very High",
      "score": 99.8
    },
    "drgt": {
      "rating": "Very Low",
      "score": 25.7
    }
  },
  "grid": {
    "rtos": [
      "PJM"
    ],
    "utilities_n": 3
  },
  "state_power": {
    "commercial_cents_kwh": 13.1,
    "us_commercial_cents_kwh": 13.37,
    "as_of": "2025"
  }
}

What does it cost?

Illinois Data Center Intelligence is $390 a month for 3 seats.

Illinois Data Center Intelligence$390 a month

The Intelligence app: every county's sites, power, water and risk
Alerts on new projects, filings and hearings
Reports as web page, PDF and CSV
3 seats · cancel any time

Get access

Data APIFrom $999 a month

County, power, risk and project data as JSON
Keys for your own tools and models

Request API access

Public bodies$4,680 a year

Counties, cities, utilities and co-ops
Paid by invoice

Request an invoice

What stays open? The map, the county pages and every data center page stay open to everyone.

Sources and updates

How this page was made: CamsAhead writes each page type once, then fills it with this place's data from the sources below.

OpenStreetMap contributors: data center buildings, as of November 6, 2026; Open Database License (ODbL) 1.0, free copy on request.
U.S. Energy Information Administration (EIA): Form EIA-861 (released Oct 2026) and Form EIA-861 2025 detailed data (released Oct 2026): business power prices and sales by state, grid operators and utilities by county; retrieved October 31, 2026.
U.S. Energy Information Administration (EIA): Forms EIA-923/906/920 (released Sep 2026): power generated by source, 2025; retrieved October 31, 2026.
U.S. Energy Information Administration (EIA): Form EIA-860 (released Sep 2026): power plants proposed for 2026 to 2030; retrieved October 31, 2026.
U.S. Energy Information Administration (EIA): Form EIA-860 (released Sep 2026): power plant capacity by state, 2025; retrieved October 31, 2026.
U.S. Energy Information Administration (EIA): thermoelectric cooling water data 2024, Forms EIA-860 and EIA-923 (retrieved Oct 2026): power plant cooling water by state.
FEMA: National Risk Index v1.20 (December 2025), NRI_Table_Counties and NRI_Table_States: natural hazard ratings by county and expected annual loss by state; retrieved October 31, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
U.S. Census Bureau: US Census Bureau, Vintage 2025 county population estimates (co-est2025-alldata.csv): people by county.

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Illinois Data Center Intelligence

Where are Illinois's data centers?

Which risks do the counties with data centers face?

What will a Illinois site pay for power, and how fast is demand growing?

What do businesses pay for power?

How fast is business power demand growing?

What makes Illinois's power?

How much new power is proposed?

Which grid would a Illinois site join, and what are its water and hazard risks?

Which grid serves Illinois?

How much water do Illinois's power plants use?

Which hazards cost Illinois most?

Who uses it, and what do they see first?

Land-use and energy lawyers

Land and industrial brokers

Site selection teams

Utilities and power buyers

Insurers and lenders

Investors and analysts

What's inside Illinois Data Center Intelligence?

The Intelligence app

Hearings and filings

Alerts

Data API

What does it cost?

Sources and updates

Mapped data center buildings

Drought, the water view

Expected annual loss (FEMA rating)

Cents per kWh

ISO/RTO

Commercial sales

TWh (terawatt-hours)

Proposed capacity

Other (EIA's catch-all)

Balancing authority

Water taken in and used up

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