Under construction

CyrusOne Yorkville Technology Campus

Construction is under way on CyrusOne Yorkville Technology Campus in Yorkville, IL. The record lists an estimated investment of $1 billion. Up to nine two-story buildings on 228 acres in Kendall County; approved 2024, site work early 2026, first building late 2027; $1bn+ at buildout.

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Project status

Announced
Permitting
Under construction
Operational

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What’s next

Election Day is in 10 days.

Tuesday, November 3
Election Day
Tuesday, November 3IL
Illinois Voters Weigh Data Center Referendums On November Ballot

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Records and documentation

Illinois state legislation

ICC Docket Nos. 25-0677/25-0679 (Consolidated) - ComEd Large Demand Project Applicant/Customer (LDPAC) TariffApprovalicc.illinois.govComEd 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 AgreementCommunity benefits agreementfas.orgAnnexation and development agreement setting terms for the 'Project Vector' data center development in DeKalb, Illinois.Download
HB2756 - Data Center Cost-Shifting Protection ActLegislationdatacenterbans.comProtects ratepayers from cost-shifting caused by data centers.Download
SB2181 - Illinois Data Center Energy and Water Reporting ActLegislationdatacenterbans.comRequires 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 facilitiesLegislationdatacenterbans.comCreates sales/use tax exemptions for certified data center facilities.Download
SB57 - Large-Load Data CentersLegislationdatacenterbans.comRegulates large-load data centers.Download
HB2026 - Data center industrial zoning ordinance review requirementLegislationdatacenterbans.comRequires localities to review and amend zoning ordinances for data centers under industrial zoning rules.Download
HB1301 - Limits data center electricity cost risk and imposes moratoriumMoratoriumdatacenterbans.comLimits costs/risks associated with data center electricity use and imposes a moratorium.Download
Data Center Zoning OrdinanceOrdinancewandtv.comLogan County, Illinois zoning ordinance for data centers, approved by the board June 1, 2026.Download
SB4206 - LOC GOVT-DATA CENTERLegislationlegiscan.comIn committee May 18, 2026Description comingDownload
HB5755 - MUNI CD-DATA CENTER REFERENDUMLegislationlegiscan.comIn committee May 5, 2026Description comingDownload
SB4016 - HYPERSCALE DATA CENTERSLegislationlegiscan.comAdded as Co-Sponsor Sen. Karina Villa May 30, 2026Description comingDownload
SB3761 - DATA CENTERS-VARIOUSLegislationlegiscan.comIn committee May 22, 2026Description comingDownload
SB0094 - DATA CENTERS-FOREIGN OWNERSHIPLegislationlegiscan.comAdded as Co-Sponsor Sen. Terri Bryant Apr 3, 2025Description comingDownload
SB3830 - DATA CENTERS-VARIOUSLegislationlegiscan.comIn committee May 22, 2026Description comingDownload
SB3578 - DATA CENTERS-FOREIGN OWNERSHIPLegislationlegiscan.comAdded as Co-Sponsor Sen. Darby A. Hills Jul 1, 2026Description comingDownload
HB5513 - HYPERSCALE DATA CENTERSLegislationlegiscan.comAdded Co-Sponsor Rep. Suzanne M. Ness Aug 26, 2026Description comingDownload
SB4203 - DCEO-DATA CENTERSLegislationlegiscan.comAdded as Co-Sponsor Sen. Erica Harriss Jun 17, 2026Description comingDownload

Site details

Operator: CyrusOne
County: Kendall County, IL
Address: Yorkville, IL
Stage: Under construction

Capacity and 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
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
This bill would make data centers pay their own way for powerSalt Lake City Deseret News