{
  "schema_version": 1,
  "source_compilation_context": {
    "il": {
      "attribution": {
        "inventory": {
          "name": "Compute Atlas",
          "creator": "Edward Kubiak",
          "url": "https://www.compute-atlas.com/api",
          "license": "CC BY 4.0",
          "license_url": "https://creativecommons.org/licenses/by/4.0/",
          "snapshot_url": "https://www.compute-atlas.com/api/facilities",
          "retrieved": "2026-10-14",
          "sha256": "79ad432dab7c128e428234c9d0dd40933114b415a4a5d697db00095637d50f37",
          "changes": "Added provenance, publication-date distinctions, display-safe wording, quarantine flags and state partitioning. Original source records retained locally."
        },
        "counties": "U.S. Census Bureau county boundaries (public domain)",
        "research": "Field-specific source context. See the linked source and limits on each record."
      },
      "source_data_url": "https://datacentersatlas.com/data/il.json",
      "updated": "2026-10-26"
    }
  },
  "scope": "Exact retained city label subset. This is not a municipal boundary or complete city inventory. Research records retain their sources, dates and location limits. Counts are not a census of operating buildings. Company name links alone do not establish ownership or operation.",
  "collection": {
    "kind": "cities",
    "key": "il/mount-prospect",
    "label": "Mount Prospect, Illinois"
  },
  "records": [
    {
      "id": "cloudhq-mount-prospect-ord-il",
      "state": "il",
      "kind": "facility",
      "name": "CloudHQ Mount Prospect (ORD) Campus",
      "group": "proposed",
      "status": "Operator-listed development",
      "raw_status": "proposed",
      "status_field": "current_status",
      "crypto": false,
      "type": "Data center (inventory classification)",
      "counties": [
        "Cook"
      ],
      "city": "Mount Prospect",
      "address": "",
      "who": "",
      "end_user": "",
      "mw": null,
      "power": "",
      "power_note": "",
      "investment": "",
      "jobs": "",
      "acres": null,
      "utility": "",
      "water": "",
      "incentives": "",
      "note": "Manual source context is available for this inherited inventory record. The inventory label and approximate geography are retained for discovery. This is not certification of current operation, ownership, a separate physical building, technical capacity or a precise parcel. Missing fields remain unknown. Named operator concept or attributed original local reporting, with dates and numerical scopes.. Daily Energy Insider August 26, 2022 utility/developer reporting identifies CloudHQ ORD at the former United Airlines headquarters in Mount Prospect. Groundbreaking that week and planned $2.5 billion, 1.5 million square feet and three buildings are historical announcement context, not current completion/spend. First phase 2024 and remaining three-to-five-year demand-driven phases are old targets. Planned ComEd substation and line extensions are not executed power terms or energized IT MW. Local-government approval does not prove every permit or occupancy certificate. 100-plus jobs were forecast; ComEd's 70 other data centers is a service-area marketing count, not an independently verified census. Previously gated Daily Herald bodies were not decoded. No complete record/current operating status, signed instruments, measured impacts or all-field certification.",
      "date": "",
      "events": [],
      "timeline": [],
      "opened": "",
      "tier": "",
      "sources": [
        {
          "url": "https://dailyenergyinsider.com/innovation/36434-comed-joins-with-cloudhq-to-build-2-5b-data-center-in-northern-illinois/",
          "host": "dailyenergyinsider.com",
          "date": "",
          "published": "",
          "checked": "2026-10-15",
          "date_kind": "publication date not established",
          "label": "Reviewed source"
        },
        {
          "url": "https://cloudhq.com/campus/ord-campus/",
          "host": "cloudhq.com",
          "published": "",
          "date": "",
          "checked": "2026-10-17",
          "label": "Reviewed source context"
        }
      ],
      "loc": {
        "lat": 41.83992,
        "lng": -87.81695,
        "precision": "county",
        "basis": "Shown at county level only. The dot is placed inside the county for the map and is not the site, its address or a parcel."
      },
      "reviewed_evidence": [
        {
          "overlay": "border-state-original-reporting-and-operator-stage-review-round67-2026-10-15.json",
          "scope": "Named operator concept or attributed original local reporting, with dates and numerical scopes.",
          "fields": {},
          "notes": [
            "Daily Energy Insider August 26, 2022 utility/developer reporting identifies CloudHQ ORD at the former United Airlines headquarters in Mount Prospect. Groundbreaking that week and planned $2.5 billion, 1.5 million square feet and three buildings are historical announcement context, not current completion/spend.",
            "First phase 2024 and remaining three-to-five-year demand-driven phases are old targets. Planned ComEd substation and line extensions are not executed power terms or energized IT MW. Local-government approval does not prove every permit or occupancy certificate. 100-plus jobs were forecast; ComEd's 70 other data centers is a service-area marketing count, not an independently verified census. Previously gated Daily Herald bodies were not decoded.",
            "No complete record/current operating status, signed instruments, measured impacts or all-field certification."
          ],
          "sources": [
            {
              "url": "https://dailyenergyinsider.com/innovation/36434-comed-joins-with-cloudhq-to-build-2-5b-data-center-in-northern-illinois/",
              "host": "dailyenergyinsider.com",
              "date": "",
              "published": "",
              "checked": "2026-10-15",
              "date_kind": "publication date not established",
              "label": "Reviewed source"
            }
          ],
          "whole_record_certified": false
        },
        {
          "overlay": "encore-2026-10-17-batch2",
          "scope": "Limited source identity and stage review; not whole-record certification, parcel verification or a physical-site census.",
          "fields": {
            "current_stage_evidence": {
              "outcome": "operator-listed_development",
              "scope": "CloudHQ currently markets the ORD campus as a development with future availability. The 252 MW critical headline and up-to-300 MW narrative are different advertised scopes and are not reconciled into current capacity. The relative ready-for-service forecast lacks an anchored date. Published campus coordinates are not adopted in this batch. The proposed label does not assert construction or energization."
            }
          },
          "notes": [
            "CloudHQ currently markets the ORD campus as a development with future availability. The 252 MW critical headline and up-to-300 MW narrative are different advertised scopes and are not reconciled into current capacity. The relative ready-for-service forecast lacks an anchored date. Published campus coordinates are not adopted in this batch. The proposed label does not assert construction or energization."
          ],
          "sources": [
            {
              "url": "https://cloudhq.com/campus/ord-campus/",
              "host": "cloudhq.com",
              "published": "",
              "date": "",
              "checked": "2026-10-17",
              "label": "Reviewed source context"
            }
          ],
          "checked": "2026-10-17",
          "whole_record_certified": false
        }
      ],
      "manual_source_reviewed": true,
      "whole_record_certified": false,
      "field_evidence_present": false,
      "inventory_label_retained": true,
      "precision_label": "Exact site not published; shown at county level",
      "summary": "Mount Prospect · Cook · Source context reviewed",
      "status_scope": "CloudHQ currently markets the ORD campus as a development with future availability. The 252 MW critical headline and up-to-300 MW narrative are different advertised scopes and are not reconciled into current capacity. The relative ready-for-service forecast lacks an anchored date. Published campus coordinates are not adopted in this batch. The proposed label does not assert construction or energization.",
      "location_display": {
        "policy": "reviewed-map-references-2026-10-23",
        "decision": "withheld_unreviewed_point",
        "scope": "The available point evidence does not establish a supported site location. No site pin, nearby distance or aerial destination is published. The original coordinate and its provenance remain in research history.",
        "county_display": "17031"
      }
    },
    {
      "id": "databank-ord3-mount-prospect-il",
      "state": "il",
      "kind": "facility",
      "name": "DataBank ORD3 (Mount Prospect)",
      "group": "operating",
      "status": "Operator-listed service",
      "raw_status": "partly operating",
      "status_field": "current_status",
      "crypto": false,
      "type": "Colocation",
      "counties": [
        "Cook"
      ],
      "city": "Mount Prospect",
      "address": "800 E. Business Center Drive - Mount Prospect, IL 60056",
      "who": "DataBank",
      "end_user": "",
      "mw": null,
      "power": "",
      "power_note": "Operator-listed Critical IT Load for this facility code. The technical as-of date is not published. Advertised/design capacity does not establish current consumption, utilization or all phases energized.",
      "investment": "",
      "jobs": "",
      "acres": null,
      "utility": "",
      "water": "",
      "incentives": "",
      "note": "Manual source context is available for this inherited inventory record. The inventory label and approximate geography are retained for discovery. This is not certification of current operation, ownership, a separate physical building, technical capacity or a precise parcel. Missing fields remain unknown. Field or source context only. Catalog marketing establishes identity/specification; independently verify actual commissioning date and utilization. Current operator card explicitly names this facility and separates its specification from the market/campus totals. Only the listed fields were checked; imported geography, current operation, capacity and incentives require their own evidence. Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building.",
      "date": "",
      "events": [],
      "timeline": [],
      "opened": "",
      "tier": "",
      "sources": [
        {
          "url": "https://www.databank.com/data-centers/chicago/",
          "host": "databank.com",
          "date": "",
          "published": "",
          "checked": "2026-10-14",
          "date_kind": "publication date not established",
          "label": "Reviewed source"
        },
        {
          "url": "https://www.databank.com/data-centers/chicago/mount-prospect/",
          "host": "www.databank.com",
          "published": "",
          "date": "",
          "checked": "2026-10-16",
          "label": "DataBank current facility or company statement"
        },
        {
          "url": "https://www.databank.com/data-centers/",
          "host": "www.databank.com",
          "published": "",
          "date": "",
          "checked": "2026-10-16",
          "label": "DataBank current facility or company statement"
        },
        {
          "url": "https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=800+E.+Business+Center+Drive%2C+Mount+Prospect%2C+IL+60056&benchmark=Public_AR_Current&vintage=Current_Current&format=json",
          "host": "geocoding.geo.census.gov",
          "published": "",
          "date": "",
          "checked": "2026-10-22",
          "label": "Census calculated street range and county context"
        },
        {
          "url": "https://geocoding.geo.census.gov/geocoder/Geocoding_Services_API.html",
          "host": "geocoding.geo.census.gov",
          "published": "",
          "date": "",
          "checked": "2026-10-22",
          "label": "Census address range method and limits"
        },
        {
          "url": "https://storage.pardot.com/1103952/1786640627sVzz5ptt/ORD3_datasheet.pdf",
          "host": "storage.pardot.com",
          "published": "",
          "date": "",
          "checked": "2026-10-22",
          "label": "DataBank current facility datasheet, page 1 address"
        },
        {
          "url": "https://go.databank.com/l/1103952/2026-02-18/8z6575/1103952/1771463712J5sAO04f/ORD3_datasheet.pdf",
          "host": "go.databank.com",
          "published": "",
          "date": "",
          "checked": "2026-10-22",
          "label": "Official datasheet PDF embed wrapper"
        }
      ],
      "loc": {
        "lat": 42.077107769326,
        "lng": -87.923760896372,
        "precision": "address",
        "basis": "Published DataBank facility datasheet address matched to one Census street range within the existing record county. Calculated street reference, not a surveyed parcel, roof, suite or property ownership finding."
      },
      "reviewed_evidence": [
        {
          "overlay": "field-verification-2026-10-14.json",
          "scope": "Field or source context only",
          "fields": {
            "facility_code": "ORD3",
            "street": "800 E.BusinessCenterDrive",
            "city": "Mount Prospect",
            "critical_it_capacity_mw": 2.7,
            "it_area_sqft": 28950,
            "power_basis": "operator advertised criticalIT specification, not measured consumption",
            "marketed_service": "colocation"
          },
          "notes": [
            "Catalog marketing establishes identity/specification; independently verify actual commissioning date and utilization.",
            "Current operator card explicitly names this facility and separates its specification from the market/campus totals.",
            "Only the listed fields were checked; imported geography, current operation, capacity and incentives require their own evidence.",
            "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building."
          ],
          "sources": [
            {
              "url": "https://www.databank.com/data-centers/chicago/",
              "host": "databank.com",
              "date": "",
              "published": "",
              "checked": "2026-10-14",
              "date_kind": "publication date not established",
              "label": "Reviewed source"
            }
          ],
          "whole_record_certified": false
        },
        {
          "overlay": "S4-DataBank-Existing-Depth-20261016",
          "scope": "Targeted existing-record DataBank code/service or project-stage, published-address and typed IT-capacity review. No admission, geocoding, physical-site certification or legal ownership finding.",
          "fields": {
            "operator_facility_code": "ORD3",
            "record_association_scope": "Existing research record associated by its DataBank facility code, state and named locality with the current operator page. The address is published service context, not independent parcel, municipal, ownership or physical-building identity verification.",
            "published_location_address": {
              "address": "800 E. Business Center Drive - Mount Prospect, IL 60056",
              "scope": "Operator location heading as printed, including suite and postal text. No geocoding or point movement."
            },
            "published_technical_specs": {
              "IT Square Feet": "28,950",
              "Critical IT Load": "2.7MW",
              "Power Design": "2N",
              "Cooling Design": "N+1",
              "Cab Density Air": "10kW+",
              "Cab Density Liquid": "25kW+"
            },
            "technical_capacity_scope": "Critical IT Load is the named-code operator-listed capacity, not utility service, backup generation, current metered use or proof every advertised MW is energized. The page does not establish a technical as-of date. Floor area is labeled IT Square Feet, not gross building area; power/cooling designs and cabinet densities are descriptions, not water use or total IT demand.",
            "metro_campus_scope": "Metro/campus headline totals and future expansion envelopes are not assigned to this code or added to its capacity. Published street and postal locality do not independently resolve legal jurisdiction. SLA, certification and renewable-energy marketing are not verified operational outcomes.",
            "current_status_basis": "Current operator-listed ORD3 colocation service component, supported by its named facility page and current metro listing. The observation does not certify complete campus buildout, all advertised capacity energized, current availability, ownership or an exact opening day."
          },
          "notes": [
            "Partial field review only. Original name, point/precision, city/county/jurisdiction, opening field and legacy MW/financial values remain unchanged.",
            "Capacity is operator-listed Critical IT Load, not metered consumption or a utility/generator figure. No sum across overlapping code, campus or expansion envelopes is asserted."
          ],
          "sources": [
            {
              "url": "https://www.databank.com/data-centers/chicago/mount-prospect/",
              "host": "www.databank.com",
              "published": "",
              "date": "",
              "checked": "2026-10-16",
              "label": "DataBank current facility or company statement"
            },
            {
              "url": "https://www.databank.com/data-centers/chicago/",
              "host": "www.databank.com",
              "published": "",
              "date": "",
              "checked": "2026-10-16",
              "label": "DataBank current facility or company statement"
            },
            {
              "url": "https://www.databank.com/data-centers/",
              "host": "www.databank.com",
              "published": "",
              "date": "",
              "checked": "2026-10-16",
              "label": "DataBank current facility or company statement"
            }
          ],
          "checked": "2026-10-16",
          "whole_record_certified": false
        },
        {
          "overlay": "Codex 2 location cohort 3, October 22, 2026",
          "scope": "Published operator street reference only. No status, date, quantity, legal jurisdiction, title, surveyed parcel, whole campus or distinct building identity is adopted.",
          "fields": {
            "location_review_decision": {
              "location": {
                "lat": 42.077107769326,
                "lng": -87.923760896372,
                "precision": "address",
                "basis": "Published DataBank facility datasheet address matched to one Census street range within the existing record county. Calculated street reference, not a surveyed parcel, roof, suite or property ownership finding."
              },
              "reference_method": "Census interpolated street address",
              "published_address": "800 E. Business Center Drive - Mount Prospect, IL 60056",
              "county_fips": [
                "17031"
              ],
              "operator_coordinates_adopted": false,
              "corporate_address_adopted": false
            }
          },
          "notes": [
            "The official facility page links the retained PDF through its public PDF embed. The datasheet names the existing facility code and service address. Only address presentation punctuation is normalized for comparison; the canonical address remains unchanged.",
            "The datasheet version is retained as printed. No exact publication day is inferred from its quarter or version. Capacity, technical figures, source photographs and certifications are not adopted in this location review.",
            "Floors and suites remain address context. The Census reference is not a building, parcel boundary, legal title or exclusive occupancy finding. The response county and retained Census county geometry agree."
          ],
          "sources": [
            {
              "url": "https://www.databank.com/data-centers/chicago/mount-prospect/",
              "host": "www.databank.com",
              "published": "",
              "date": "",
              "checked": "2026-10-22",
              "label": "DataBank official facility page and datasheet link"
            },
            {
              "url": "https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=800+E.+Business+Center+Drive%2C+Mount+Prospect%2C+IL+60056&benchmark=Public_AR_Current&vintage=Current_Current&format=json",
              "host": "geocoding.geo.census.gov",
              "published": "",
              "date": "",
              "checked": "2026-10-22",
              "label": "Census calculated street range and county context"
            },
            {
              "url": "https://geocoding.geo.census.gov/geocoder/Geocoding_Services_API.html",
              "host": "geocoding.geo.census.gov",
              "published": "",
              "date": "",
              "checked": "2026-10-22",
              "label": "Census address range method and limits"
            },
            {
              "url": "https://storage.pardot.com/1103952/1786640627sVzz5ptt/ORD3_datasheet.pdf",
              "host": "storage.pardot.com",
              "published": "",
              "date": "",
              "checked": "2026-10-22",
              "label": "DataBank current facility datasheet, page 1 address"
            },
            {
              "url": "https://go.databank.com/l/1103952/2026-02-18/8z6575/1103952/1771463712J5sAO04f/ORD3_datasheet.pdf",
              "host": "go.databank.com",
              "published": "",
              "date": "",
              "checked": "2026-10-22",
              "label": "Official datasheet PDF embed wrapper"
            }
          ],
          "checked": "2026-10-22",
          "whole_record_certified": false
        },
        {
          "overlay": "Company role source check 32, October 23, 2026",
          "scope": "DataBank identifies the same named ORD3 facility and street in its current first party location page and advertises its own colocation or interconnection services there. Operator per source records the advertised DataBank provider brand relationship. Marketing statements and old expansion videos do not independently establish current computing, commissioning, completion of every expansion, performance or whole campus operation. Legal title, sole control, tenant identity and a distinct corporate entity are not established. Existing status, location, address, county, quantities, dates, certification and component identity remain exact. The source publication date is unknown.",
          "fields": {
            "company_association": {
              "name": "DataBank",
              "role": "operator",
              "identity_scope": "provider_brand_only",
              "scope": "DataBank identifies the same named ORD3 facility and street in its current first party location page and advertises its own colocation or interconnection services there. Operator per source records the advertised DataBank provider brand relationship. Marketing statements and old expansion videos do not independently establish current computing, commissioning, completion of every expansion, performance or whole campus operation. Legal title, sole control, tenant identity and a distinct corporate entity are not established. Existing status, location, address, county, quantities, dates, certification and component identity remain exact. The source publication date is unknown."
            },
            "provider_role": "operator"
          },
          "notes": [
            "DataBank identifies the same named ORD3 facility and street in its current first party location page and advertises its own colocation or interconnection services there. Operator per source records the advertised DataBank provider brand relationship. Marketing statements and old expansion videos do not independently establish current computing, commissioning, completion of every expansion, performance or whole campus operation. Legal title, sole control, tenant identity and a distinct corporate entity are not established. Existing status, location, address, county, quantities, dates, certification and component identity remain exact. The source publication date is unknown."
          ],
          "sources": [
            {
              "url": "https://www.databank.com/data-centers/chicago/mount-prospect/",
              "host": "www.databank.com",
              "published": "",
              "date": "",
              "checked": "2026-10-23",
              "label": "Reviewed operator source"
            }
          ],
          "checked": "2026-10-23",
          "whole_record_certified": false
        }
      ],
      "manual_source_reviewed": true,
      "whole_record_certified": false,
      "field_evidence_present": true,
      "inventory_label_retained": true,
      "precision_label": "Published address reference, not a surveyed building or parcel",
      "summary": "Mount Prospect · Cook · Source context reviewed",
      "status_scope": "Current operator-listed ORD3 colocation service component, supported by its named facility page and current metro listing. The observation does not certify complete campus buildout, all advertised capacity energized, current availability, ownership or an exact opening day.",
      "typed_power_facts": [
        {
          "measure": "it_capacity",
          "value": 2.7,
          "unit": "MW",
          "as_of": null,
          "as_of_basis": "not_published",
          "observed_on": "2026-10-16",
          "basis": "operator_reported_capacity",
          "scope": "Current named-code operator-listed Critical IT Load, not utility capacity, backup generation or measured consumption. Technical as-of date and energized/occupied share are not published.",
          "sources": [
            "https://www.databank.com/data-centers/chicago/mount-prospect/"
          ]
        }
      ]
    }
  ],
  "compilation_license": "withheld_pending_owner_decision"
}