{
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "attribution": "Data: Data Center Record, datacenterrecord.org, CC BY 4.0. Link to the specific record page where possible.",
  "source": "https://datacenterrecord.org/states/il/cook-county",
  "retrieved_at": "2026-10-07T17:49:59.207Z",
  "count": 18,
  "projects": [
    {
      "slug": "aligned-data-centers-northlake-il",
      "name": "Aligned Data Centers Northlake",
      "summary": "Aligned Data Centers lists 2 data centers at Northlake, Illinois among the sites it operates.",
      "state": "IL",
      "city": "Northlake",
      "county": "Cook County",
      "status": "operational",
      "developer": "Aligned Data Centers",
      "capacity_mw": null,
      "latitude": 41.913532,
      "longitude": -87.917173,
      "location_precision": "permit_point",
      "location_source": "https://echo.epa.gov/detailed-facility-report?fid=110071064118",
      "location_verified_at": "2026-10-04",
      "coordinate_source": "https://echo.epa.gov/detailed-facility-report?fid=110071064118",
      "location_last_verified": "2026-10-04",
      "site_address": "505 Northwest Ave, Northlake, IL 60164",
      "site_address_source_url": "https://echo.epa.gov/detailed-facility-report?fid=110071064118",
      "published": "2026-09-14",
      "last_verified": "2026-10-04",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/aligned-data-centers-northlake-il",
      "sources": [
        {
          "title": "EPA ECHO detailed facility report: Aligned Energy",
          "url": "https://echo.epa.gov/detailed-facility-report?fid=110071064118",
          "publisher": "U.S. Environmental Protection Agency",
          "date": null,
          "source_tier": 2
        },
        {
          "title": "Aligned Data Centers: Data center locations",
          "url": "https://aligneddc.com/locations/",
          "publisher": "Aligned Data Centers",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "Aligned Data Centers: Aligned ORD-01",
          "url": "https://aligneddc.com/chicago-data-centers/",
          "publisher": "Aligned Data Centers",
          "date": "2026-09-14",
          "source_tier": 2
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "operational",
          "effective_at": "2026-09-14",
          "date_basis": "read",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-14",
          "summary": "Aligned Data Centers lists Aligned ORD-01, Aligned ORD-02 at Northlake, Illinois on its own page of data center locations, read September 14, 2026.",
          "source_url": "https://aligneddc.com/chicago-data-centers/",
          "source_tier": 2
        }
      ]
    },
    {
      "slug": "aligned-ord-03-elk-grove-village-il",
      "name": "Aligned ORD-03",
      "summary": "Aligned Data Centers lists a data center at Elk Grove Village, Illinois among the sites it operates.",
      "state": "IL",
      "city": "Elk Grove Village",
      "county": "Cook County",
      "status": "operational",
      "developer": "Aligned Data Centers",
      "capacity_mw": null,
      "latitude": 42.006366,
      "longitude": -87.992805,
      "location_precision": "city",
      "location_source": "U.S. Census Bureau TIGERweb city centroid, public domain",
      "location_verified_at": "2026-09-14",
      "coordinate_source": "tigerweb city centroid",
      "location_last_verified": "2026-09-14",
      "site_address": "50 Northwest Point BLVD, Elk Grove Village, IL 60007",
      "site_address_source_url": "https://echo.epa.gov/detailed-facility-report?fid=110071813295",
      "published": "2026-09-14",
      "last_verified": "2026-10-04",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/aligned-ord-03-elk-grove-village-il",
      "sources": [
        {
          "title": "Aligned Data Centers: Data center locations",
          "url": "https://aligneddc.com/locations/",
          "publisher": "Aligned Data Centers",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "Aligned Data Centers: Aligned ORD-03",
          "url": "https://aligneddc.com/chicago-data-centers/",
          "publisher": "Aligned Data Centers",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "EPA ECHO detailed facility report: Aligned Data Center (egv) Propco LLC",
          "url": "https://echo.epa.gov/detailed-facility-report?fid=110071813295",
          "publisher": "U.S. Environmental Protection Agency",
          "date": null,
          "source_tier": 2
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "operational",
          "effective_at": "2026-09-14",
          "date_basis": "read",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-14",
          "summary": "Aligned Data Centers lists Aligned ORD-03 at Elk Grove Village, Illinois on its own page of data center locations, read September 14, 2026.",
          "source_url": "https://aligneddc.com/chicago-data-centers/",
          "source_tier": 2
        }
      ]
    },
    {
      "slug": "centersquare-chicago-data-center-il",
      "name": "Centersquare Chicago data center",
      "summary": "Centersquare lists a data center at Chicago, Illinois among the sites it operates.",
      "state": "IL",
      "city": "Chicago",
      "county": "Cook County",
      "status": "operational",
      "developer": "Centersquare",
      "capacity_mw": null,
      "latitude": 41.85299,
      "longitude": -87.61901,
      "location_precision": "permit_point",
      "location_source": "https://echo.epa.gov/detailed-facility-report?fid=110071955713",
      "location_verified_at": "2026-10-04",
      "coordinate_source": "https://echo.epa.gov/detailed-facility-report?fid=110071955713",
      "location_last_verified": "2026-10-04",
      "site_address": "350 E Cermak RD, Chicago, IL 60616",
      "site_address_source_url": "https://echo.epa.gov/detailed-facility-report?fid=110071955713",
      "published": "2026-09-14",
      "last_verified": "2026-10-04",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/centersquare-chicago-data-center-il",
      "sources": [
        {
          "title": "EPA ECHO detailed facility report: Centersquare ORD1",
          "url": "https://echo.epa.gov/detailed-facility-report?fid=110071955713",
          "publisher": "U.S. Environmental Protection Agency",
          "date": null,
          "source_tier": 2
        },
        {
          "title": "Centersquare: Data center markets",
          "url": "https://www.csquare.com/data-centers",
          "publisher": "Centersquare",
          "date": "2026-09-14",
          "source_tier": 2
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "operational",
          "effective_at": "2026-09-14",
          "date_basis": "read",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-14",
          "summary": "Centersquare lists Centersquare Chicago data center at Chicago, Illinois on its own page of data center locations, read September 14, 2026.",
          "source_url": "https://www.csquare.com/data-centers",
          "source_tier": 2
        }
      ]
    },
    {
      "slug": "compass-hoffman-estates-campus-il",
      "name": "Compass Hoffman Estates campus",
      "summary": "Compass Datacenters lists a data center at Hoffman Estates, Illinois among the sites it operates.",
      "state": "IL",
      "city": "Hoffman Estates",
      "county": "Cook County",
      "status": "operational",
      "developer": "Compass Datacenters",
      "capacity_mw": null,
      "latitude": 42.0774,
      "longitude": -88.2167,
      "location_precision": "permit_point",
      "location_source": "https://echo.epa.gov/detailed-facility-report?fid=110071849148",
      "location_verified_at": "2026-10-04",
      "coordinate_source": "https://echo.epa.gov/detailed-facility-report?fid=110071849148",
      "location_last_verified": "2026-10-04",
      "site_address": "5500 Trillium BLVD, Hoffman Estates, IL 60192",
      "site_address_source_url": "https://echo.epa.gov/detailed-facility-report?fid=110071849148",
      "published": "2026-09-14",
      "last_verified": "2026-10-04",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/compass-hoffman-estates-campus-il",
      "sources": [
        {
          "title": "Compass Datacenters: Data center markets",
          "url": "https://www.compassdatacenters.com/data-center-markets/",
          "publisher": "Compass Datacenters",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "EPA ECHO detailed facility report: Compass Datacenters Ord I",
          "url": "https://echo.epa.gov/detailed-facility-report?fid=110071849148",
          "publisher": "U.S. Environmental Protection Agency",
          "date": null,
          "source_tier": 2
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "operational",
          "effective_at": "2026-09-14",
          "date_basis": "read",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-14",
          "summary": "Compass Datacenters lists Compass Hoffman Estates campus at Hoffman Estates, Illinois on its own page of data center locations, read September 14, 2026.",
          "source_url": "https://www.compassdatacenters.com/data-center-markets/",
          "source_tier": 2
        }
      ]
    },
    {
      "slug": "equinix-chicago-il",
      "name": "Equinix Chicago",
      "summary": "Equinix lists 3 data centers at Chicago, Illinois among the sites it operates.",
      "state": "IL",
      "city": "Chicago",
      "county": "Cook County",
      "status": "operational",
      "developer": "Equinix",
      "capacity_mw": null,
      "latitude": 41.853604,
      "longitude": -87.618265,
      "location_precision": "permit_point",
      "location_source": "https://echo.epa.gov/detailed-facility-report?fid=110013680640",
      "location_verified_at": "2026-10-04",
      "coordinate_source": "https://echo.epa.gov/detailed-facility-report?fid=110013680640",
      "location_last_verified": "2026-10-04",
      "site_address": "350 E Cermak RD, Chicago, IL 60616",
      "site_address_source_url": "https://echo.epa.gov/detailed-facility-report?fid=110013680640",
      "published": "2026-09-14",
      "last_verified": "2026-10-04",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/equinix-chicago-il",
      "sources": [
        {
          "title": "Equinix: United States and Canada colocation data centers",
          "url": "https://www.equinix.com/data-centers/americas-colocation/united-states-colocation",
          "publisher": "Equinix",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "Equinix: Equinix CH1",
          "url": "https://www.equinix.com/data-centers/americas-colocation/united-states-colocation/chicago-data-centers/ch1",
          "publisher": "Equinix",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "Equinix: Equinix CH2",
          "url": "https://www.equinix.com/data-centers/americas-colocation/united-states-colocation/chicago-data-centers/ch2",
          "publisher": "Equinix",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "Equinix: Equinix CH4",
          "url": "https://www.equinix.com/data-centers/americas-colocation/united-states-colocation/chicago-data-centers/ch4",
          "publisher": "Equinix",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "EPA ECHO detailed facility report: Equinix",
          "url": "https://echo.epa.gov/detailed-facility-report?fid=110013680640",
          "publisher": "U.S. Environmental Protection Agency",
          "date": null,
          "source_tier": 2
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "operational",
          "effective_at": "2026-09-14",
          "date_basis": "read",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-14",
          "summary": "Equinix lists Equinix CH1, Equinix CH2, Equinix CH4 at Chicago, Illinois on its own page of data center locations, read September 14, 2026.",
          "source_url": "https://www.equinix.com/data-centers/americas-colocation/united-states-colocation/chicago-data-centers/ch1",
          "source_tier": 2
        }
      ]
    },
    {
      "slug": "equinix-elk-grove-village-il",
      "name": "Equinix Elk Grove Village",
      "summary": "Equinix lists 2 data centers at Elk Grove Village, Illinois among the sites it operates.",
      "state": "IL",
      "city": "Elk Grove Village",
      "county": "Cook County",
      "status": "operational",
      "developer": "Equinix",
      "capacity_mw": null,
      "latitude": 42.001236,
      "longitude": -87.955085,
      "location_precision": "permit_point",
      "location_source": "https://echo.epa.gov/detailed-facility-report?fid=110030735177",
      "location_verified_at": "2026-10-04",
      "coordinate_source": "https://echo.epa.gov/detailed-facility-report?fid=110030735177",
      "location_last_verified": "2026-10-04",
      "site_address": "1905 Lunt Ave, Elk Grove Village, IL 60007",
      "site_address_source_url": "https://echo.epa.gov/detailed-facility-report?fid=110030735177",
      "published": "2026-09-14",
      "last_verified": "2026-10-04",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/equinix-elk-grove-village-il",
      "sources": [
        {
          "title": "Watch A rare look inside an Equinix data center amid energy concerns - Varney & Company - FOX One",
          "url": "https://www.fox.com/watch/clip/fmc-jtwo5d9udwxx3ohi/a-rare-look-inside-an-equinix-data-center-amid-energy-concerns",
          "publisher": "FOX One",
          "date": "2026-09-17",
          "source_tier": 4
        },
        {
          "title": "Equinix: United States and Canada colocation data centers",
          "url": "https://www.equinix.com/data-centers/americas-colocation/united-states-colocation",
          "publisher": "Equinix",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "Equinix: Equinix CH3",
          "url": "https://www.equinix.com/data-centers/americas-colocation/united-states-colocation/chicago-data-centers/ch3",
          "publisher": "Equinix",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "Equinix: Equinix CH5",
          "url": "https://www.equinix.com/data-centers/americas-colocation/united-states-colocation/chicago-data-centers/ch5",
          "publisher": "Equinix",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "EPA ECHO detailed facility report: Equinix LLC",
          "url": "https://echo.epa.gov/detailed-facility-report?fid=110030735177",
          "publisher": "U.S. Environmental Protection Agency",
          "date": null,
          "source_tier": 2
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "operational",
          "effective_at": "2026-09-17",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-17",
          "summary": "Equinix facility in Elk Grove Village uses closed loop cooling system to conserve water",
          "source_url": "https://www.fox.com/watch/clip/fmc-jtwo5d9udwxx3ohi/a-rare-look-inside-an-equinix-data-center-amid-energy-concerns",
          "source_tier": 4
        },
        {
          "status": "operational",
          "effective_at": "2026-09-14",
          "date_basis": "read",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-14",
          "summary": "Equinix lists Equinix CH3, Equinix CH5 at Elk Grove Village, Illinois on its own page of data center locations, read September 14, 2026.",
          "source_url": "https://www.equinix.com/data-centers/americas-colocation/united-states-colocation/chicago-data-centers/ch3",
          "source_tier": 2
        }
      ]
    },
    {
      "slug": "qts-chicago-il",
      "name": "QTS Chicago",
      "summary": "QTS Data Centers lists a data center at Chicago, Illinois among the sites it operates.",
      "state": "IL",
      "city": "Chicago",
      "county": "Cook County",
      "status": "operational",
      "developer": "QTS Data Centers",
      "capacity_mw": null,
      "latitude": 41.84339,
      "longitude": -87.66583,
      "location_precision": "permit_point",
      "location_source": "https://echo.epa.gov/detailed-facility-report?fid=110064847019",
      "location_verified_at": "2026-10-04",
      "coordinate_source": "https://echo.epa.gov/detailed-facility-report?fid=110064847019",
      "location_last_verified": "2026-10-04",
      "site_address": "2800 S Ashland Ave, Chicago, IL 60608",
      "site_address_source_url": "https://echo.epa.gov/detailed-facility-report?fid=110064847019",
      "published": "2026-09-14",
      "last_verified": "2026-10-04",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/qts-chicago-il",
      "sources": [
        {
          "title": "EPA ECHO detailed facility report: Quality Technology Services LLC",
          "url": "https://echo.epa.gov/detailed-facility-report?fid=110064847019",
          "publisher": "U.S. Environmental Protection Agency",
          "date": null,
          "source_tier": 2
        },
        {
          "title": "QTS Data Centers: All locations",
          "url": "https://q.com/data-centers/",
          "publisher": "QTS Data Centers",
          "date": "2026-09-14",
          "source_tier": 2
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "operational",
          "effective_at": "2026-09-14",
          "date_basis": "read",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-14",
          "summary": "QTS Data Centers lists QTS Chicago at Chicago, Illinois on its own page of data center locations, read September 14, 2026.",
          "source_url": "https://q.com/data-centers/",
          "source_tier": 2
        }
      ]
    },
    {
      "slug": "hoffman-estates-data-center-il",
      "name": "Hoffman Estates Data Center",
      "summary": "A developer withdrew a rezoning request for a controversial data center in Hoffman Estates, ending the permitting effort for the site.",
      "state": "IL",
      "city": "Hoffman Estates",
      "county": "Cook",
      "status": "rumored",
      "developer": null,
      "capacity_mw": null,
      "latitude": 41.88194,
      "longitude": -87.62778,
      "location_precision": "county",
      "location_source": "County seat (Chicago), Wikidata, placed at county level",
      "location_verified_at": "2026-09-16",
      "coordinate_source": "wikidata county seat",
      "location_last_verified": "2026-09-16",
      "site_address": null,
      "site_address_source_url": null,
      "published": "2026-09-04",
      "last_verified": "2026-09-25",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": 168,
      "site_acres_disclosed_as": "third_party_estimate",
      "site_acres_source_url": "https://www.datacenterdynamics.com/en/news/karis-withdraws-rezoning-request-for-data-center-in-hoffman-estates-illinois/",
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/hoffman-estates-data-center-il",
      "sources": [
        {
          "title": "Developer Withdraws Rezoning Request for Controversial Data Center in Hoffman Estates - WTTW News",
          "url": "https://capitolnewsillinois.com/news/developer-withdraws-rezoning-request-for-controversial-data-center-in-hoffman-estates/",
          "publisher": "WTTW News",
          "date": "2026-07-01",
          "source_tier": 4
        },
        {
          "title": "Karis withdraws rezoning request for data center in Hoffman Estates, Illinois",
          "url": "https://www.datacenterdynamics.com/en/news/karis-withdraws-rezoning-request-for-data-center-in-hoffman-estates-illinois/",
          "publisher": "www.datacenterdynamics.com",
          "date": "2026-07-02",
          "source_tier": 3
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": []
    },
    {
      "slug": "chicago-quantum-park-il",
      "name": "Chicago Quantum Park",
      "summary": "Locals rallied against a Chicago quantum park development and the company committed to not including a data center.",
      "state": "IL",
      "city": "Chicago",
      "county": "Cook",
      "status": "rumored",
      "developer": null,
      "capacity_mw": null,
      "latitude": 41.88194,
      "longitude": -87.62778,
      "location_precision": "county",
      "location_source": "County seat (Chicago), Wikidata, placed at county level",
      "location_verified_at": "2026-09-16",
      "coordinate_source": "wikidata county seat",
      "location_last_verified": "2026-09-16",
      "site_address": null,
      "site_address_source_url": null,
      "published": "2026-09-04",
      "last_verified": "2026-09-17",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/chicago-quantum-park-il",
      "sources": [
        {
          "title": "Stickney mayor, board oppose data center at Hawthorne horse racing site - chicago.suntimes.com",
          "url": "https://chicago.suntimes.com/environment/2026/08/21/data-center-hawthorne-race-course-horse-racing-stickney-cicero-digital-realty-moratorium-nuisance-environment",
          "publisher": "chicago.suntimes.com",
          "date": "2026-08-21",
          "source_tier": 4
        },
        {
          "title": "Illinois Governor JB Pritzker moves to pause new agreements for data center tax incentives - ABC7 Chicago",
          "url": "https://abc7chicago.com/post/illinois-governor-jb-pritzker-moves-pause-new-agreements-data-center-tax-incentives/19239185/",
          "publisher": "ABC7 Chicago",
          "date": "2026-06-05",
          "source_tier": 4
        },
        {
          "title": "Locals rally against Chicago quantum park; company commits to no data center - thecentersquare.com",
          "url": "https://www.thecentersquare.com/illinois/article_2a9fbd6d-32c8-460c-adda-0edc13019351.html",
          "publisher": "thecentersquare.com",
          "date": "2026-08-17",
          "source_tier": 4
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "rumored",
          "effective_at": "2026-08-21",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-21",
          "summary": "Hawthorne Race Course, a 100+ acre site at 3501 S. Laramie Ave. in Stickney, closed after 135 years of horse racing, with last races on July 19, 2026",
          "source_url": "https://chicago.suntimes.com/environment/2026/08/21/data-center-hawthorne-race-course-horse-racing-stickney-cicero-digital-realty-moratorium-nuisance-environment",
          "source_tier": 4
        },
        {
          "status": "rumored",
          "effective_at": "2026-08-21",
          "date_basis": "source",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-08-21",
          "summary": "Allimac 2023 LLC, identified as Digital Realty, agreed to acquire Hawthorne Race Course for $90 million, with sale expected to close September 1, 2026",
          "source_url": "https://chicago.suntimes.com/environment/2026/08/21/data-center-hawthorne-race-course-horse-racing-stickney-cicero-digital-realty-moratorium-nuisance-environment",
          "source_tier": 4
        }
      ]
    },
    {
      "slug": "databank-chicago-data-center-il",
      "name": "DataBank Chicago data center",
      "summary": "DataBank lists a data center at Chicago, Illinois among the sites it operates.",
      "state": "IL",
      "city": "Chicago",
      "county": "Cook County",
      "status": "operational",
      "developer": "DataBank",
      "capacity_mw": null,
      "latitude": 41.8369615,
      "longitude": -87.684922,
      "location_precision": "city",
      "location_source": "U.S. Census Bureau TIGERweb city centroid, public domain",
      "location_verified_at": "2026-09-14",
      "coordinate_source": "tigerweb city centroid",
      "location_last_verified": "2026-09-14",
      "site_address": null,
      "site_address_source_url": null,
      "published": "2026-09-14",
      "last_verified": "2026-09-17",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/databank-chicago-data-center-il",
      "sources": [
        {
          "title": "DataBank: Data centers",
          "url": "https://www.databank.com/data-centers/",
          "publisher": "DataBank",
          "date": "2026-09-14",
          "source_tier": 2
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "operational",
          "effective_at": "2026-09-14",
          "date_basis": "read",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-14",
          "summary": "DataBank lists DataBank Chicago data center at Chicago, Illinois on its own page of data center locations, read September 14, 2026.",
          "source_url": "https://www.databank.com/data-centers/",
          "source_tier": 2
        }
      ]
    },
    {
      "slug": "digital-realty-chicago-il",
      "name": "Digital Realty Chicago",
      "summary": "Digital Realty lists 2 data centers at Chicago, Illinois among the sites it operates.",
      "state": "IL",
      "city": "Chicago",
      "county": "Cook County",
      "status": "operational",
      "developer": "Digital Realty",
      "capacity_mw": null,
      "latitude": 41.8369615,
      "longitude": -87.684922,
      "location_precision": "city",
      "location_source": "U.S. Census Bureau TIGERweb city centroid, public domain",
      "location_verified_at": "2026-09-14",
      "coordinate_source": "tigerweb city centroid",
      "location_last_verified": "2026-09-14",
      "site_address": null,
      "site_address_source_url": null,
      "published": "2026-09-14",
      "last_verified": "2026-09-17",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/digital-realty-chicago-il",
      "sources": [
        {
          "title": "Digital Realty: Americas data centers",
          "url": "https://www.digitalrealty.com/data-centers/americas",
          "publisher": "Digital Realty",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "Digital Realty: Digital Realty ORD11",
          "url": "https://www.digitalrealty.com/data-centers/americas/chicago/ord11",
          "publisher": "Digital Realty",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "Digital Realty: Digital Realty ORD10",
          "url": "https://www.digitalrealty.com/data-centers/americas/chicago/ord10",
          "publisher": "Digital Realty",
          "date": "2026-09-14",
          "source_tier": 2
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "operational",
          "effective_at": "2026-09-14",
          "date_basis": "read",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-14",
          "summary": "Digital Realty lists Digital Realty ORD11, Digital Realty ORD10 at Chicago, Illinois on its own page of data center locations, read September 14, 2026.",
          "source_url": "https://www.digitalrealty.com/data-centers/americas/chicago/ord11",
          "source_tier": 2
        }
      ]
    },
    {
      "slug": "digital-realty-elk-grove-village-il",
      "name": "Digital Realty Elk Grove Village",
      "summary": "Digital Realty lists 3 data centers at Elk Grove Village, Illinois among the sites it operates.",
      "state": "IL",
      "city": "Elk Grove Village",
      "county": "Cook County",
      "status": "operational",
      "developer": "Digital Realty",
      "capacity_mw": null,
      "latitude": 42.006366,
      "longitude": -87.992805,
      "location_precision": "city",
      "location_source": "U.S. Census Bureau TIGERweb city centroid, public domain",
      "location_verified_at": "2026-09-14",
      "coordinate_source": "tigerweb city centroid",
      "location_last_verified": "2026-09-14",
      "site_address": null,
      "site_address_source_url": null,
      "published": "2026-09-14",
      "last_verified": "2026-09-17",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/digital-realty-elk-grove-village-il",
      "sources": [
        {
          "title": "Digital Realty: Americas data centers",
          "url": "https://www.digitalrealty.com/data-centers/americas",
          "publisher": "Digital Realty",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "Digital Realty: Digital Realty CH1",
          "url": "https://www.digitalrealty.com/data-centers/americas/chicago/ch1",
          "publisher": "Digital Realty",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "Digital Realty: Digital Realty CH2",
          "url": "https://www.digitalrealty.com/data-centers/americas/chicago/ch2",
          "publisher": "Digital Realty",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "Digital Realty: Digital Realty Chicago",
          "url": "https://www.digitalrealty.com/data-centers/americas/chicago",
          "publisher": "Digital Realty",
          "date": "2026-09-14",
          "source_tier": 2
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "operational",
          "effective_at": "2026-09-14",
          "date_basis": "read",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-14",
          "summary": "Digital Realty lists Digital Realty CH1, Digital Realty CH2, Digital Realty Chicago at Elk Grove Village, Illinois on its own page of data center locations, read September 14, 2026.",
          "source_url": "https://www.digitalrealty.com/data-centers/americas/chicago/ch1",
          "source_tier": 2
        }
      ]
    },
    {
      "slug": "digital-realty-franklin-park-il",
      "name": "Digital Realty Franklin Park",
      "summary": "Digital Realty lists 3 data centers at Franklin Park, Illinois among the sites it operates.",
      "state": "IL",
      "city": "Franklin Park",
      "county": "Cook County",
      "status": "operational",
      "developer": "Digital Realty",
      "capacity_mw": null,
      "latitude": 41.9359829,
      "longitude": -87.8791968,
      "location_precision": "city",
      "location_source": "U.S. Census Bureau TIGERweb city centroid, public domain",
      "location_verified_at": "2026-09-14",
      "coordinate_source": "tigerweb city centroid",
      "location_last_verified": "2026-09-14",
      "site_address": null,
      "site_address_source_url": null,
      "published": "2026-09-14",
      "last_verified": "2026-09-17",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/digital-realty-franklin-park-il",
      "sources": [
        {
          "title": "Digital Realty: Americas data centers",
          "url": "https://www.digitalrealty.com/data-centers/americas",
          "publisher": "Digital Realty",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "Digital Realty: Digital Realty ORD12",
          "url": "https://www.digitalrealty.com/data-centers/americas/chicago/ord12",
          "publisher": "Digital Realty",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "Digital Realty: Digital Realty ORD13",
          "url": "https://www.digitalrealty.com/data-centers/americas/chicago/ord13",
          "publisher": "Digital Realty",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "Digital Realty: Digital Realty ORD14",
          "url": "https://www.digitalrealty.com/data-centers/americas/chicago/ord14",
          "publisher": "Digital Realty",
          "date": "2026-09-14",
          "source_tier": 2
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "operational",
          "effective_at": "2026-09-14",
          "date_basis": "read",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-14",
          "summary": "Digital Realty lists Digital Realty ORD12, Digital Realty ORD13, Digital Realty ORD14 at Franklin Park, Illinois on its own page of data center locations, read September 14, 2026.",
          "source_url": "https://www.digitalrealty.com/data-centers/americas/chicago/ord12",
          "source_tier": 2
        }
      ]
    },
    {
      "slug": "digital-realty-ord23-northlake-il",
      "name": "Digital Realty ORD23",
      "summary": "Digital Realty lists a data center at Northlake, Illinois among the sites it operates.",
      "state": "IL",
      "city": "Northlake",
      "county": "Cook County",
      "status": "operational",
      "developer": "Digital Realty",
      "capacity_mw": null,
      "latitude": 41.9143169,
      "longitude": -87.9054825,
      "location_precision": "city",
      "location_source": "U.S. Census Bureau TIGERweb city centroid, public domain",
      "location_verified_at": "2026-09-14",
      "coordinate_source": "tigerweb city centroid",
      "location_last_verified": "2026-09-14",
      "site_address": null,
      "site_address_source_url": null,
      "published": "2026-09-14",
      "last_verified": "2026-09-17",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/digital-realty-ord23-northlake-il",
      "sources": [
        {
          "title": "Digital Realty: Americas data centers",
          "url": "https://www.digitalrealty.com/data-centers/americas",
          "publisher": "Digital Realty",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "Digital Realty: Digital Realty ORD23",
          "url": "https://www.digitalrealty.com/data-centers/americas/chicago/ord23",
          "publisher": "Digital Realty",
          "date": "2026-09-14",
          "source_tier": 2
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "operational",
          "effective_at": "2026-09-14",
          "date_basis": "read",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-14",
          "summary": "Digital Realty lists Digital Realty ORD23 at Northlake, Illinois on its own page of data center locations, read September 14, 2026.",
          "source_url": "https://www.digitalrealty.com/data-centers/americas/chicago/ord23",
          "source_tier": 2
        }
      ]
    },
    {
      "slug": "h5-chicago-il",
      "name": "H5 Chicago",
      "summary": "H5 Data Centers lists a data center at Chicago, Illinois among the sites it operates.",
      "state": "IL",
      "city": "Chicago",
      "county": "Cook County",
      "status": "operational",
      "developer": "H5 Data Centers",
      "capacity_mw": null,
      "latitude": 41.8369615,
      "longitude": -87.684922,
      "location_precision": "city",
      "location_source": "U.S. Census Bureau TIGERweb city centroid, public domain",
      "location_verified_at": "2026-09-14",
      "coordinate_source": "tigerweb city centroid",
      "location_last_verified": "2026-09-14",
      "site_address": null,
      "site_address_source_url": null,
      "published": "2026-09-14",
      "last_verified": "2026-09-17",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/h5-chicago-il",
      "sources": [
        {
          "title": "H5 Data Centers: Data centers",
          "url": "https://h5datacenters.com/data-centers.html",
          "publisher": "H5 Data Centers",
          "date": "2026-09-14",
          "source_tier": 2
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "operational",
          "effective_at": "2026-09-14",
          "date_basis": "read",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-14",
          "summary": "H5 Data Centers lists H5 Chicago at Chicago, Illinois on its own page of data center locations, read September 14, 2026.",
          "source_url": "https://h5datacenters.com/data-centers.html",
          "source_tier": 2
        }
      ]
    },
    {
      "slug": "oracle-chicago-cloud-region-il",
      "name": "Oracle Chicago cloud region",
      "summary": "Oracle lists a data center at Chicago, Illinois among the sites it operates.",
      "state": "IL",
      "city": "Chicago",
      "county": "Cook County",
      "status": "operational",
      "developer": "Oracle",
      "capacity_mw": null,
      "latitude": 41.8369615,
      "longitude": -87.684922,
      "location_precision": "city",
      "location_source": "U.S. Census Bureau TIGERweb city centroid, public domain",
      "location_verified_at": "2026-09-14",
      "coordinate_source": "tigerweb city centroid",
      "location_last_verified": "2026-09-14",
      "site_address": null,
      "site_address_source_url": null,
      "published": "2026-09-14",
      "last_verified": "2026-09-17",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/oracle-chicago-cloud-region-il",
      "sources": [
        {
          "title": "Oracle: Oracle Cloud Infrastructure public cloud regions",
          "url": "https://www.oracle.com/cloud/public-cloud-regions/",
          "publisher": "Oracle",
          "date": "2026-09-14",
          "source_tier": 2
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "operational",
          "effective_at": "2026-09-14",
          "date_basis": "read",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-14",
          "summary": "Oracle lists Oracle Chicago cloud region at Chicago, Illinois on its own page of data center locations, read September 14, 2026.",
          "source_url": "https://www.oracle.com/cloud/public-cloud-regions/",
          "source_tier": 2
        }
      ]
    },
    {
      "slug": "stack-infrastructure-elk-grove-village-il",
      "name": "STACK Infrastructure Elk Grove Village",
      "summary": "STACK Infrastructure lists 2 data centers at Elk Grove Village, Illinois among the sites it operates.",
      "state": "IL",
      "city": "Elk Grove Village",
      "county": "Cook County",
      "status": "operational",
      "developer": "STACK Infrastructure",
      "capacity_mw": null,
      "latitude": 42.006366,
      "longitude": -87.992805,
      "location_precision": "city",
      "location_source": "U.S. Census Bureau TIGERweb city centroid, public domain",
      "location_verified_at": "2026-09-14",
      "coordinate_source": "tigerweb city centroid",
      "location_last_verified": "2026-09-14",
      "site_address": null,
      "site_address_source_url": null,
      "published": "2026-09-14",
      "last_verified": "2026-09-17",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/stack-infrastructure-elk-grove-village-il",
      "sources": [
        {
          "title": "STACK Infrastructure: Americas locations",
          "url": "https://www.stackinfra.com/locations/",
          "publisher": "STACK Infrastructure",
          "date": "2026-09-14",
          "source_tier": 2
        },
        {
          "title": "STACK Infrastructure: STACK CHI01",
          "url": "https://www.stackinfra.com/locations/americas/chicago/",
          "publisher": "STACK Infrastructure",
          "date": "2026-09-14",
          "source_tier": 2
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "operational",
          "effective_at": "2026-09-14",
          "date_basis": "read",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-14",
          "summary": "STACK Infrastructure lists STACK CHI01, STACK CHI02 at Elk Grove Village, Illinois on its own page of data center locations, read September 14, 2026.",
          "source_url": "https://www.stackinfra.com/locations/americas/chicago/",
          "source_tier": 2
        }
      ]
    },
    {
      "slug": "tierpoint-chicago-il",
      "name": "TierPoint Chicago",
      "summary": "TierPoint lists 2 data centers at Chicago, Illinois among the sites it operates.",
      "state": "IL",
      "city": "Chicago",
      "county": "Cook County",
      "status": "operational",
      "developer": "TierPoint",
      "capacity_mw": null,
      "latitude": 41.8369615,
      "longitude": -87.684922,
      "location_precision": "city",
      "location_source": "U.S. Census Bureau TIGERweb city centroid, public domain",
      "location_verified_at": "2026-09-14",
      "coordinate_source": "tigerweb city centroid",
      "location_last_verified": "2026-09-14",
      "site_address": null,
      "site_address_source_url": null,
      "published": "2026-09-14",
      "last_verified": "2026-09-17",
      "cooling_type": "not_disclosed",
      "cooling_type_source_url": null,
      "cooling_fluid": null,
      "cooling_fluid_source_url": null,
      "developer_source_url": null,
      "contractor": null,
      "contractor_source_url": null,
      "site_acres": null,
      "site_acres_disclosed_as": "not_disclosed",
      "site_acres_source_url": null,
      "power_source": null,
      "power_source_url": null,
      "interconnection_status": "not_disclosed",
      "interconnection_source_url": null,
      "water_measure": null,
      "record_url": "https://datacenterrecord.org/projects/tierpoint-chicago-il",
      "sources": [
        {
          "title": "TierPoint: Browse our data centers",
          "url": "https://www.tierpoint.com/data-centers/",
          "publisher": "TierPoint",
          "date": "2026-09-14",
          "source_tier": 2
        }
      ],
      "use_types": [
        {
          "use_type": "not_disclosed",
          "share_percent": null,
          "source_url": null
        }
      ],
      "serves": {
        "tenants": [],
        "tenancy": "not_disclosed",
        "local_service_commitments": [],
        "source_url": null
      },
      "status_history": [
        {
          "status": "operational",
          "effective_at": "2026-09-14",
          "date_basis": "read",
          "date_precision": "day",
          "planned": false,
          "source_date": "2026-09-14",
          "summary": "TierPoint lists TierPoint Chicago - Polk Data Center, TierPoint Chicago , West Data Center at Chicago, Illinois on its own page of data center locations, read September 14, 2026.",
          "source_url": "https://www.tierpoint.com/data-centers/",
          "source_tier": 2
        }
      ]
    }
  ]
}