DuPage County, Illinois: Power, Data Centers and the Local Economy
Home to Downers Grove Township, York Township and Milton Township
DuPage County is one of the places the data center build-out is physically happening. The SAVRN Data Center Map lists 57 data centers in DuPage County, 27% of Illinois's total. DuPage County is home to Downers Grove Township, York Township, Milton Township and Lisle Township. 14 MW of new generation is planned here across 10 units, led by Prologis Logistics Services Incorporated (solar). 14 MW of it is already under construction or built. Unemployment was 4.7% in August 2026, against 3.2% in 2019. Construction employs 30,219, up 6.5% since 2019.
Cities and towns in DuPage County
DuPage County is home to Downers Grove Township, York Township, Milton Township and Lisle Township.
And 16 smaller places.
- Naperville also extends into Will County.
- Aurora also extends into Kane County, Will County, Kendall County.
- Bartlett also extends into Cook County.
- Roselle also extends into Cook County.
- Hanover Park also extends into Cook County.
- Hinsdale also extends into Cook County.
Residents are 2025 Census estimates for the part of each city, town or township inside this county. Census publishes no annual estimate for unincorporated communities.
What changed in DuPage County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Illinois |
|---|---|---|---|---|
| Population (2020 → 2025) | 931,473 | 934,298 | ▲ 0.3% | 2nd of 102 by size |
| Total jobs (2019 → 2025) | 617,970 | 629,392 | ▲ 1.8% | 35th of 102 by growth |
| Average annual pay (2019 → 2025) | $65,691 | $81,891 | ▲ 24.7% | — |
| Construction jobs (2019 → 2025) | 28,378 | 30,219 | ▲ 6.5% | 32nd of 56 by growth |
| Electrical contractor jobs (2019 → 2025) | 4,559 | 5,052 | ▲ 10.8% | — |
| Data processing and hosting jobs (2019 → 2025) | 1,468 | 1,554 | ▲ 5.9% | — |
| Unemployment rate (2019 → August 2026) | 3.2% | 4.7% | ▲ 1.5pts | — |
| Generating capacity added since 2019 | — | 3 MW | — | |
| Generating capacity retired since 2019 | — | 30 MW | — | |
| Planned generation (Aug 2026) | — | 14 MW | 1% of today's fleet | 33rd of 57 by size |
Its power plants have 1,107 MW of capacity, 99% of it natural gas. 30 MW has retired here since 2019, including Elwood Energy Storage Center (battery storage, 20 MW, 2022). Electrical contractors employ 5,052, up 10.8% since 2019 against up 3.9% statewide, at an average $117,321 a year. 3 MW of that came online in 2019 or later, mostly solar. Employers here counted 629,392 jobs in 2025, up 1.8% from 2019. Commonwealth Edison Co is the largest utility serving DuPage County, one of 3 with territory here. Its residential customers paid an average 15.22¢/kWh in 2024. 934,298 people live here, up 0.3% since 2020, 2nd of 102 Illinois counties by population.
Who powers DuPage County
Net change in operating capacity since 2019: −27 MW. Colors follow the fuel legend above.
Utilities with service territory in DuPage County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Commonwealth Edison Co | Investor Owned | Bundled | 3,727,675 | 15.22¢ | 27% |
| City of Naperville - (IL) | Municipal | Bundled | 56,117 | 12.98¢ | 50% |
| City of St Charles - (IL) | Municipal | Bundled | 14,181 | 15.37¢ | 36% |
Customer counts, prices and sales shares cover each utility's whole system in the state, not only this county. Commercial sales include data centers.
Operating power plants 6
| Technology | Capacity | Share |
|---|---|---|
| Natural gas | 1,097 MW | 99% |
| Other technologies | 7 MW | 1% |
| Solar | 3 MW | 0% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| Aurora | Aurora Generation LLC | Natural gas | 1,086 MW | 2001 |
| Greene Valley Gas Recovery | WM Illinois Renewable Energy LLC | Other technologies | 7 MW | 1996 |
| Argonne National Laboratory CHP | Argonne National Laboratory | Natural gas | 6 MW | 2016 |
| Nalco | Nalco Co | Natural gas | 5 MW | 1985 |
| DS Containers | DS Containers LLC | Solar | 2 MW | 2025 |
| SCS Plainfield 011755 Naperville, LLC | Arevon Energy, Inc. | Solar | 1 MW | 2021 |
Planned generation 10
| Plant | Technology | MW | Status | Year | Owner |
|---|---|---|---|---|---|
| Bensenville 2-SLCHI526 | Solar Photovoltaic | 2 MW | Under construction (≤50%) | 2026 | Prologis Logistics Services Incorporated |
| Internationale Ctr 11-SLCHI321 | Solar Photovoltaic | 2 MW | Under construction (≤50%) | 2027 | Prologis Logistics Services Incorporated |
| Addison 11-SLCHI404 | Solar Photovoltaic | 2 MW | Built, not yet operating | 2026 | Prologis Logistics Services Incorporated |
| Bensenville 13-SLCHI513 | Solar Photovoltaic | 1 MW | Under construction (≤50%) | 2026 | Prologis Logistics Services Incorporated |
| Elk Grove 51-SLCHI151 | Solar Photovoltaic | 1 MW | Under construction (≤50%) | 2027 | Prologis Logistics Services Incorporated |
| Glendale Heights 10-SLCHI910 | Solar Photovoltaic | 1 MW | Under construction (≤50%) | 2027 | Prologis Logistics Services Incorporated |
| Bensenville 14-SLCHI414 | Solar Photovoltaic | 1 MW | Under construction (>50%) | 2027 | Prologis Logistics Services Incorporated |
| Bensenville Ind Park 11 | Solar Photovoltaic | 1 MW | Under construction (≤50%) | 2026 | Prologis Logistics Services Incorporated |
| Bensenville Ind Park 10-SLCHI410 | Solar Photovoltaic | 1 MW | Under construction (>50%) | 2027 | Prologis Logistics Services Incorporated |
| Bensenville Ind Park 2-SLCHI402 | Solar Photovoltaic | 1 MW | Under construction (≤50%) | 2027 | Prologis Logistics Services Incorporated |
Retired since 2019
| Plant | Technology | MW | Year |
|---|---|---|---|
| Elwood Energy Storage Center | Battery storage | 20 MW | 2022 |
| INEOS Naperville Cogeneration Plant | Natural gas | 8 MW | 2023 |
| Woodridge Greene Valley Treatment Plant | Natural gas | 2 MW | 2020 |
The DuPage County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 629,392 | $81,891 | 1.00 |
| Construction | 30,219 | $105,777 | 0.91 |
| Electrical contractors | 5,052 | $117,321 | 1.11 |
| Data processing and hosting | 1,554 | $186,441 | 0.79 |
Concentration is the BLS location quotient: 1.0 means the industry holds the same share of local jobs as it does nationally. Industry rows count private employers; cells BLS suppresses are left out.
Data centers and local rules in DuPage County
57 data centers in DuPage County are on the SAVRN Data Center Map.
DuPage County and its neighbors
Of the 4 counties that border DuPage County, Cook County carries the most build-out activity: data centers, planned generation and operating plants combined.
| County | Population | Jobs since 2019 | Operating MW | Planned MW | Data centers | Local measures |
|---|---|---|---|---|---|---|
| DuPage County | 934,298 | ▲ 1.8% | 1,107 MW | 14 MW | 57 | — |
| Cook County | 5,194,625 | ▼ 0.5% | 1,364 MW | 35 MW | 122 | — |
| Kane County | 525,757 | ▲ 0.3% | 496 MW | 17 MW | — | — |
| Kendall County | 145,470 | ▲ 6.3% | 1,266 MW | — | 3 | — |
| Will County | 712,253 | ▲ 7.8% | 6,936 MW | 17 MW | 1 | — |
More of Illinois
DuPage County, answered from the record
Who provides electricity in DuPage County, Illinois?
3 utilities have service territory in DuPage County in the EIA-861 2024 report: Commonwealth Edison Co, City of Naperville - (IL), City of St Charles - (IL). The largest, Commonwealth Edison Co, charged residential customers 15.22¢/kWh on average in 2024.
What county is Downers Grove Township, IL in?
Downers Grove Township is in DuPage County, Illinois. About 149,599 people live there (2025 Census estimate).
What county is York Township, IL in?
York Township is in DuPage County, Illinois. About 128,137 people live there (2025 Census estimate).
What county is Milton Township, IL in?
Milton Township is in DuPage County, Illinois. About 119,815 people live there (2025 Census estimate).
What power plants are in DuPage County?
6 operating plants with 1,107 MW of capacity. The largest is Aurora (1,086 MW, natural gas).
How much new power is planned in DuPage County?
14 MW across 10 units in the August 2026 EIA-860M inventory, 14 MW of it under construction or built. The largest owner is Prologis Logistics Services Incorporated.
Are there data centers in DuPage County?
Yes. The SAVRN Data Center Map lists 57 data centers in DuPage County.
Is DuPage County adding jobs?
Employers counted 629,392 jobs in 2025 against 617,970 in 2019 (+1.8%, BLS QCEW). Construction went from 28,378 to 30,219.
Does DuPage County have a data center moratorium?
No county-level measure is on record for DuPage County. Illinois has 28 local measures statewide, listed on the state page.