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Cartis diligence evidence schedule

Microsoft Northlake Azure Data Center

PRJ-1152 · Site · Northlake, Illinois, United States

Record last updated Oct 28, 2026

Scope and capacity

Microsoft operates a data center at 601 Northwest Avenue in Northlake, Illinois. State records document an operating site with air and water permits and an Illinois data-center tax-exemption certificate; the earlier 700 MW figure is not supported by project-specific utility filings, which document a 27 MW service upgrade.

Headline: Not established in published records

Numbers refer to their stated physical boundaries and are not added together. Source dates, claim dates and record updates have different meanings. Missing dates and locators are not inferred.

Location context · Microsoft Northlake Azure Data Center | Northlake | Illinois | US

Actual · Microsoft Northlake Azure Data Center (Project)

Claim 71930 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Microsoft Northlake Azure Data Center public-record research record

    US Data Center Map · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-4138 · News report · Recorded authority: Secondary

    Source URL

    https://dcmap.us/states/illinois/

Lifecycle status · Operating

Actual · Microsoft Northlake Azure Data Center (Project)

Claim 71931 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Microsoft Northlake Azure Data Center public-record research record

    US Data Center Map · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-4138 · News report · Recorded authority: Secondary

    Source URL

    https://dcmap.us/states/illinois/

Street address · 601 Northwest Avenue, Northlake, Illinois

Actual · Microsoft Northlake Azure Data Center (Project)

Claim 77870 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Microsoft Chicago Data Center permits

    Illinois EPA · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-4450 · Government record · Recorded authority: Official primary

    Source URL

    https://webapps.illinois.gov/EPA/DocumentExplorer/Documents/Index/170001764240

Permit record count · 15 documents

Actual · Microsoft Northlake Azure Data Center (Project)

Claim 77871 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Microsoft Chicago Data Center permits

    Illinois EPA · Document date: Aug 28, 2026 · Primary

    Source reference: SRC-4450 · Government record · Recorded authority: Official primary

    Source URL

    https://webapps.illinois.gov/EPA/DocumentExplorer/Documents/Index/170001764240

Documented service upgrade · 27 MW

Actual · Microsoft Northlake Azure Data Center (Project)

Claim 77872 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. ComEd Northlake service-upgrade testimony

    Illinois Commerce Commission · Document date: Jan 1, 2023 · Primary

    Source reference: SRC-4451 · Government record · Recorded authority: Official primary

    Source URL

    https://www.icc.illinois.gov/docket/P2022-0486/documents/332512/files/578646.pdf

Capacity status · 700 MW is not supported by project specific primary records

Actual · Microsoft Northlake Azure Data Center (Project)

Claim 77873 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated

  1. Microsoft Northlake community partnership

    Microsoft · Document date: Oct 22, 2019 · Primary

    Source reference: SRC-4449 · Company announcement · Recorded authority: Party primary

    Source URL

    https://local.microsoft.com/blog/promoting-health-and-recreation-near-a-microsoft-datacenter/

Counterparties and capital

Microsoft · Developer · CMP-0017

This schedule captures public Cartis research. It is not a title, lien or legal-opinion report. Document page/section locators and claim review timestamps are included only when published; this version has no separate locator or claim-review-time feed.