Kendall County, Illinois: Power, Data Centers and the Local Economy
Home to Oswego Township, Oswego and Bristol Township
Kendall County sits inside the data center build-out. The SAVRN Data Center Map lists 3 data centers in Kendall County. Kendall County is home to Oswego Township, Oswego, Bristol Township and Yorkville. 3 projects are on the Delay Watchlist, including Project Cardinal (Yorkville). Its power plants have 1,266 MW of capacity, 99% of it natural gas. Employers here counted 30,845 jobs in 2025, up 6.3% from 2019.
Cities and towns in Kendall County
Kendall County is home to Oswego Township, Oswego, Bristol Township and Yorkville.
- Joliet also extends into Will County.
- Montgomery also extends into Kane County.
- Aurora also extends into Kane County, DuPage County, Will County.
- Plainfield also extends into Will County.
- Minooka also extends into Grundy County, Will County.
- Millington also extends into LaSalle County.
Unincorporated communities (governed by the county): Boulder Hill.
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 Kendall County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Illinois |
|---|---|---|---|---|
| Population (2020 → 2025) | 132,364 | 145,470 | ▲ 9.9% | 14th of 102 by size |
| Total jobs (2019 → 2025) | 29,022 | 30,845 | ▲ 6.3% | 16th of 102 by growth |
| Average annual pay (2019 → 2025) | $42,036 | $53,553 | ▲ 27.4% | — |
| Unemployment rate (2019 → August 2026) | 3.8% | 3.8% | ● 0.0pts | — |
| Generating capacity added since 2019 | — | 10 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — |
10 MW of that came online in 2019 or later, mostly solar. 145,470 people live here, up 9.9% since 2020. Commonwealth Edison Co is the largest utility serving Kendall County, one of 3 with territory here. Its residential customers paid an average 15.22¢/kWh in 2024. Unemployment was 3.8% in August 2026, against 3.8% in 2019.
Who powers Kendall County
Net change in operating capacity since 2019: +10 MW. Colors follow the fuel legend above.
Utilities with service territory in Kendall 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% |
| Ameren Illinois Company | Investor Owned | Bundled | 1,060,894 | 15.26¢ | 28% |
| Corn Belt Energy Corporation | Cooperative | Bundled | 34,710 | 15.76¢ | 28% |
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 5
| Technology | Capacity | Share |
|---|---|---|
| Natural gas | 1,256 MW | 99% |
| Solar | 10 MW | 1% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| Kendall County Generation Facility | Dynegy Kendall Energy LLC | Natural gas | 1,256 MW | 2002 |
| KE109 | Generate Capital | Solar | 4 MW | 2026 |
| Water Lily Solar LLC | Dimension Energy LLC | Solar | 3 MW | 2025 |
| SPG IL Valley Run CSG | Standard Solar | Solar | 2 MW | 2026 |
| NL IL - Kendall | Newark Road Kendall Solar 1, LLC | Solar | 2 MW | 2024 |
The Kendall County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 30,845 | $53,553 | 1.00 |
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 Kendall County
3 data centers in Kendall County are on the SAVRN Data Center Map.
Delay Watchlist 3
| Project | Status | Cause | MW | |
|---|---|---|---|---|
| Project Cardinal (Yorkville) | active litigation | — | ||
| Project Steel (Yorkville, Eldamain Corridor) | active litigation | — | ||
| Meyer Project / Yorkville Nexus V LLC Rezoning (withdrawn) | withdrawn | — |
Kendall County and its neighbors
Of the 6 counties that border Kendall County, DuPage 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 |
|---|---|---|---|---|---|---|
| Kendall County | 145,470 | ▲ 6.3% | 1,266 MW | — | 3 | — |
| DeKalb County | 101,835 | ▼ 1.4% | 306 MW | 100 MW | 5 | — |
| DuPage County | 934,298 | ▲ 1.8% | 1,107 MW | 14 MW | 57 | — |
| Grundy County | 54,052 | ▲ 11.9% | 3,548 MW | 25 MW | — | — |
| Kane County | 525,757 | ▲ 0.3% | 496 MW | 17 MW | — | — |
| LaSalle County | 107,773 | ▼ 7.2% | 2,824 MW | 322 MW | — | — |
| Will County | 712,253 | ▲ 7.8% | 6,936 MW | 17 MW | 1 | — |
More of Illinois
Kendall County, answered from the record
Who provides electricity in Kendall County, Illinois?
3 utilities have service territory in Kendall County in the EIA-861 2024 report: Commonwealth Edison Co, Ameren Illinois Company, Corn Belt Energy Corporation. The largest, Commonwealth Edison Co, charged residential customers 15.22¢/kWh on average in 2024.
What county is Oswego Township, IL in?
Oswego Township is in Kendall County, Illinois. About 61,778 people live there (2025 Census estimate).
What county is Oswego, IL in?
Oswego is in Kendall County, Illinois. About 39,948 people live there (2025 Census estimate).
What county is Bristol Township, IL in?
Bristol Township is in Kendall County, Illinois. About 36,464 people live there (2025 Census estimate).
What power plants are in Kendall County?
5 operating plants with 1,266 MW of capacity. The largest is Kendall County Generation Facility (1,256 MW, natural gas).
Are there data centers in Kendall County?
Yes. The SAVRN Data Center Map lists 3 data centers in Kendall County.
Is Kendall County adding jobs?
Employers counted 30,845 jobs in 2025 against 29,022 in 2019 (+6.3%, BLS QCEW).
Does Kendall County have a data center moratorium?
No county-level measure is on record for Kendall County. Illinois has 28 local measures statewide, listed on the state page.