Project Cardinal data center campus
Yorkville, Kendall County, IL
Pioneer Development plans Project Cardinal data center campus, a data center in Yorkville, IL. The project is sized at 1,800 MW. ~1,000-acre, 14-building, 1.8GW campus with two substations; annexation/rezoning approved 2025 but facing a 2026 resident lawsuit and an annexation-deadline extension request. Reported 2025. [Reviewed 2026-10-09: verified] Yorkville City Council approved annexation, rezoning, and utility agreements in March 2026; project currently facing legal challenge and seeking extension to land acquisition deadline. Source: https://www.datacenterwatch.info/tracker/yorkville-cardinal/.
- 1,800 MWPlanned capacity
Project status
- Announced
- Permitting
- Under constructionNot yet
- OperationalNot yet
Recorded changes
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Community sentiment
Should this project be built?
What’s next
Election Day is in 10 days.
Latest news
Nothing written about this data center yet.
Stories about it, and about Kendall County, IL, land here.
Records and documentation
Illinois state legislation
- ICC Docket Nos. 25-0677/25-0679 (Consolidated) - ComEd Large Demand Project Applicant/Customer (LDPAC) TariffComEd tariff creating a formal "Large Demand Project Applicant/Customer" class for data centers/large loads ≥50MW, approved March 2026 with graduated security deposits ($1M for 50-200MW, +$500k per additional 100MW). Cites 75+ pending large-load interconnection requests totaling 28,000+MW, exceeding ComEd's all-time system peak.Download
- Project Vector Annexation and Development AgreementAnnexation and development agreement setting terms for the 'Project Vector' data center development in DeKalb, Illinois.Download
- HB2756 - Data Center Cost-Shifting Protection ActProtects ratepayers from cost-shifting caused by data centers.Download
- SB2181 - Illinois Data Center Energy and Water Reporting ActRequires all data centers to annually report energy and water consumption beginning January 1, 2026.Download
- SB58 - Sales and Use Tax Law exemption for certified data center facilitiesCreates sales/use tax exemptions for certified data center facilities.Download
- SB57 - Large-Load Data CentersRegulates large-load data centers.Download
- HB2026 - Data center industrial zoning ordinance review requirementRequires localities to review and amend zoning ordinances for data centers under industrial zoning rules.Download
- HB1301 - Limits data center electricity cost risk and imposes moratoriumLimits costs/risks associated with data center electricity use and imposes a moratorium.Download
- Data Center Zoning OrdinanceLogan County, Illinois zoning ordinance for data centers, approved by the board June 1, 2026.Download
- SB4206 - LOC GOVT-DATA CENTERDescription comingDownload
- HB5755 - MUNI CD-DATA CENTER REFERENDUMDescription comingDownload
- SB4016 - HYPERSCALE DATA CENTERSDescription comingDownload
- SB3761 - DATA CENTERS-VARIOUSDescription comingDownload
- SB0094 - DATA CENTERS-FOREIGN OWNERSHIPDescription comingDownload
- SB3830 - DATA CENTERS-VARIOUSDescription comingDownload
- SB3578 - DATA CENTERS-FOREIGN OWNERSHIPDescription comingDownload
- HB5513 - HYPERSCALE DATA CENTERSDescription comingDownload
- SB4203 - DCEO-DATA CENTERSDescription comingDownload
Site details
- Operator
- Pioneer Development
- County
- Kendall County, IL
- Capacity
- 1,800 MW
- Address
- Yorkville, IL
- Stage
- Planned
Size: not on file
Map
Photos
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‘Few million dollars’ annually in tax incentives for Yorkville data center no longer on the tableShaw Local Enewspapers
228-acre CyrusOne data center agrees to pay Yorkville $15 million up-front, city imposes water use limitsShaw Local Enewspapers
State Rep. Davis of Yorkville says local residents should decide data centers through referendumShaw Local Enewspapers
Yorkville data center settlement delayed after second resident lawsuit file against city, developerShaw Local Enewspapers
Yorkville residents file lawsuit against the city to halt the 1,034 acre Project Cardinal data centerShaw Local Enewspapers
Rezoning request for future Yorkville data center withdrawnChicago Tribune
‘We are not backing down’: Residents protest Yorkville data center plans, group hires attorneyShaw Local Enewspapers
Yorkville City Council OKs 540-acre data center campusChicago Tribune
‘Nobody wants to live in data center row’ - Residents speak out after Yorkville approves 540-acre data centerShaw Local Enewspapers
Yorkville could approve 2 more data center projects, including 540-acre Project SteelShaw Local Enewspapers
Yorkville close to reaching settlement on resident’s lawsuit over 1,037 acre data centerShaw Local Enewspapers
ComEd customers could pay billions for data center hookups, warns utility watchdog groupShaw Local Enewspapers
An $8 billion Treasury break helped Meta’s tax rate hit 2%. Senators want data center tax answersFortune
The states with the fewest and most data centers, rankedBusiness Insider
Finns Are Seething After Google Illegally Toppled 250,000 Trees for a Data CenterMother Jones
Google offer to pay others to help data center powerArkansas Online
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