Announced

2500 North Commerce Park Data Center Campus

2500 North Commerce Park Data Center Campus is an announced data center project in Decatur, IL, backed by Weiss Realty. The project is sized at 274 MW. 138-acre former Caterpillar site at 2500 North Commerce Park in Decatur, owned by Moonachie, NJ-based Weiss Realty, selected for Illinois's Accelerated Site Assessment Program (ASAP) with Ameren and DCEO, entitled for up to ~274MW / 800,000+ sq ft of data center development. Site is earmarked and fast-tracked for permitting but no specific tenant/operator has been named yet. [Reviewed 2026-10-09: verified] Weiss Realty's 138-acre 2500 North Commerce Park site in Decatur, IL has been officially selected for Illinois's Accelerated Site Assessment Program in cooperation with Ameren and DCEO, approved for up to 274MW and 800,000+ sq ft of data center development. Source: https://re-nj.com/weiss-realty-picked-for-govt-fast-track-program-for-potential-data-center-project-in-illinois/.

274 MWPlanned capacity

Photo: LoopNet

Project status

Announced
Permitting
Under constructionNot yet
OperationalNot yet

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What’s next

Election Day is in 10 days.

Tuesday, November 3
Election Day
Tuesday, November 3IL
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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: Weiss Realty
County: Macon County, IL
Capacity: 274 MW
Address: Decatur, IL
Stage: Announced

Size: not on file

Map

Photos

Photo: LoopNet
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