{
  "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": "Retained county context, which can be broad or unresolved. No parcel or municipal jurisdiction is inferred. 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": "counties",
    "key": "17089",
    "label": "Kane County, Illinois"
  },
  "records": [
    {
      "id": "brennan-barrington-hills-il",
      "state": "il",
      "kind": "facility",
      "name": "Brennan Barrington Hills Data Center",
      "group": "unknown",
      "status": "Status unclear",
      "raw_status": "",
      "status_field": "",
      "crypto": false,
      "type": "Data center (inventory classification)",
      "counties": [],
      "city": "Barrington Hills",
      "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. Manual review of named-project reporting excerpts. Historical account and claims are attributed to publisher; no whole-record or current legal-status certification.. Syndicated article links original Daily Herald January 27 item while supplied URL is January 29. Exact withdrawal date not established; not an industry-wide or permanent legal ban. Original signed law, permit, docket and any subsequent decisions take precedence. No future outcomes inferred. Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building.",
      "date": "",
      "events": [
        [
          "2026-01-26",
          "Barrington Hills published its informational meeting cancellation notice on January 26, 2026. The developer declined the presentation, the February 2 meeting was cancelled and the Village considered the matter closed. This is the notice date, not a verified January 28 legal withdrawal, permit denial or physical closure."
        ]
      ],
      "timeline": [],
      "opened": "",
      "tier": "",
      "sources": [
        {
          "url": "https://www.shawlocal.com/northwest-herald/news/2026/01/29/2-billion-data-center-proposal-in-barrington-hills-withdrawn/",
          "host": "shawlocal.com",
          "date": "",
          "published": "",
          "checked": "2026-10-14",
          "date_kind": "publication date not established",
          "label": "Reviewed source"
        },
        {
          "url": "https://barringtonhills-il.gov/canceled-02-02-26-special-informational-plan-commission-meeting/",
          "host": "barringtonhills-il.gov",
          "published": "2026-01-26",
          "date": "2026-01-26",
          "checked": "2026-10-23",
          "label": "Reviewed government record"
        },
        {
          "url": "https://barringtonhills-il.gov/special-plan-commission-meeting-to-welcome-resident-input/",
          "host": "barringtonhills-il.gov",
          "published": "2026-01-16",
          "date": "2026-01-16",
          "checked": "2026-10-23",
          "label": "Reviewed government record"
        },
        {
          "url": "https://barringtonhills-il.gov/wp-content/uploads/2026/01/Brennan-Inv-Grp-Pres.-2025-12-15.pdf",
          "host": "barringtonhills-il.gov",
          "published": "",
          "date": "",
          "checked": "2026-10-23",
          "label": "Reviewed government record"
        }
      ],
      "loc": {
        "lat": 41.93885,
        "lng": -88.42866,
        "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": "regional-outcomes-review-round20-2026-10-14.json",
          "scope": "Manual review of named-project reporting excerpts. Historical account and claims are attributed to publisher; no whole-record or current legal-status certification.",
          "fields": {
            "reported_action_type": "reported-withdrawal",
            "reported_finding": "Brennan withdrew Barrington Hills proposal and planned presentation; village considered the matter closed at reporting.",
            "report_display_date": null,
            "independently_verified_current_status": null
          },
          "notes": [
            "Syndicated article links original Daily Herald January 27 item while supplied URL is January 29. Exact withdrawal date not established; not an industry-wide or permanent legal ban.",
            "Original signed law, permit, docket and any subsequent decisions take precedence. No future outcomes inferred.",
            "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building."
          ],
          "sources": [
            {
              "url": "https://www.shawlocal.com/northwest-herald/news/2026/01/29/2-billion-data-center-proposal-in-barrington-hills-withdrawn/",
              "host": "shawlocal.com",
              "date": "",
              "published": "",
              "checked": "2026-10-14",
              "date_kind": "publication date not established",
              "label": "Reviewed source"
            }
          ],
          "whole_record_certified": false
        },
        {
          "overlay": "Codex 3 research cohort 22",
          "scope": "Barrington Hills January 26, 2026 notice says the developer will not proceed with its informational presentation, cancels the February 2 meeting and says the Village considers the matter closed. The linked earlier presentation cover identifies Brennan Investment Group and Barrington Hills Innovation Center. This is stronger than a scheduled meeting listing but does not establish a submitted application withdrawal, a legal permit denial or physical facility shutdown. No January 28 withdrawal date is adopted from later reporting. Exact current physical phase remains unclear.",
          "fields": {
            "current_stage_evidence": {
              "outcome": "dated_presentation_cancellation_not_formal_application_withdrawal",
              "scope": "Barrington Hills January 26, 2026 notice says the developer will not proceed with its informational presentation, cancels the February 2 meeting and says the Village considers the matter closed. The linked earlier presentation cover identifies Brennan Investment Group and Barrington Hills Innovation Center. This is stronger than a scheduled meeting listing but does not establish a submitted application withdrawal, a legal permit denial or physical facility shutdown. No January 28 withdrawal date is adopted from later reporting. Exact current physical phase remains unclear."
            },
            "source_scope": {
              "village_notice_on": "2026-01-26",
              "cancelled_meeting_scheduled_on": "2026-02-02",
              "presentation_cover_visually_read": true,
              "specific_application_withdrawal_not_established": true,
              "no_later_news_date_substituted_for_action": true
            }
          },
          "notes": [
            "Barrington Hills January 26, 2026 notice says the developer will not proceed with its informational presentation, cancels the February 2 meeting and says the Village considers the matter closed. The linked earlier presentation cover identifies Brennan Investment Group and Barrington Hills Innovation Center. This is stronger than a scheduled meeting listing but does not establish a submitted application withdrawal, a legal permit denial or physical facility shutdown. No January 28 withdrawal date is adopted from later reporting. Exact current physical phase remains unclear.",
            "The review preserves existing physical identity, locations, roles, quantities and opening fields. Source issue dates, review checks and physical milestones remain distinct."
          ],
          "sources": [
            {
              "url": "https://barringtonhills-il.gov/canceled-02-02-26-special-informational-plan-commission-meeting/",
              "host": "barringtonhills-il.gov",
              "published": "2026-01-26",
              "date": "2026-01-26",
              "checked": "2026-10-23",
              "label": "Reviewed government record"
            },
            {
              "url": "https://barringtonhills-il.gov/special-plan-commission-meeting-to-welcome-resident-input/",
              "host": "barringtonhills-il.gov",
              "published": "2026-01-16",
              "date": "2026-01-16",
              "checked": "2026-10-23",
              "label": "Reviewed government record"
            },
            {
              "url": "https://barringtonhills-il.gov/wp-content/uploads/2026/01/Brennan-Inv-Grp-Pres.-2025-12-15.pdf",
              "host": "barringtonhills-il.gov",
              "published": "",
              "date": "",
              "checked": "2026-10-23",
              "label": "Reviewed government record"
            }
          ],
          "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": "Exact site not published; shown at county level",
      "summary": "Barrington Hills · Source context reviewed",
      "event_evidence": [
        {
          "date": "2026-01-26",
          "text": "Barrington Hills published its informational meeting cancellation notice on January 26, 2026. The developer declined the presentation, the February 2 meeting was cancelled and the Village considered the matter closed. This is the notice date, not a verified January 28 legal withdrawal, permit denial or physical closure.",
          "kind": "announced",
          "sources": [
            {
              "url": "https://barringtonhills-il.gov/canceled-02-02-26-special-informational-plan-commission-meeting/",
              "host": "barringtonhills-il.gov",
              "published": "2026-01-26",
              "date": "2026-01-26",
              "checked": "2026-10-23",
              "label": "Reviewed government record"
            }
          ]
        }
      ],
      "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": "17089"
      }
    },
    {
      "id": "cyrusone-chi1-chi3-aurora-il",
      "state": "il",
      "kind": "facility",
      "name": "CyrusOne CHI1-CHI3 (Aurora)",
      "group": "operating",
      "status": "Operator-listed colocation service",
      "raw_status": "operating",
      "status_field": "current_status",
      "crypto": false,
      "type": "Data center (inventory classification)",
      "counties": [
        "Kane"
      ],
      "city": "Aurora",
      "address": "",
      "who": "CyrusOne",
      "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. Field or source context only. Combined three-building campus specification. Never repeat campus MW or area as each building total; no measured utilization established. Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building. general design article, not site proof. General AI design FAQ has market forecasts and company design context. It does not establish Aurora or Somerset site capex, capacity, operation or construction date. Publication metadata is2023, not its2025modification date. named operator source. A maintenance schedule is not a new capacity or construction event; emergency equipment is not IT load.",
      "date": "",
      "events": [],
      "timeline": [],
      "opened": "",
      "tier": "",
      "sources": [
        {
          "url": "https://www.cyrusone.com/data-centers/north-america/aurora-il",
          "host": "cyrusone.com",
          "date": "",
          "published": "",
          "checked": "2026-10-14",
          "date_kind": "publication date not established",
          "label": "Reviewed source"
        },
        {
          "url": "https://www.cyrusone.com/resources/blogs/cyrusone-intelliscale-design-and-ai-data-center-faq",
          "host": "cyrusone.com",
          "date": "2023-08-24",
          "published": "2023-08-24",
          "checked": "2026-10-14",
          "date_kind": "publication",
          "label": "Reviewed source"
        },
        {
          "url": "https://www.cyrusone.com/data-centers/north-america/aurora-il-back-up-generator-schedule",
          "host": "cyrusone.com",
          "date": "",
          "published": "",
          "checked": "2026-10-14",
          "date_kind": "publication date not established",
          "label": "Reviewed source"
        }
      ],
      "loc": {
        "lat": 41.95116,
        "lng": -88.44209,
        "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": "neighbor-primary-review-round4-2026-10-14.json",
          "scope": "Field or source context only",
          "fields": {
            "campus_acres": 16,
            "campus_buildings": [
              "CHI1",
              "CHI2",
              "CHI3"
            ],
            "campus_technical_it_space_sqft": 450000,
            "campus_total_it_capacity_mw": 114
          },
          "notes": [
            "Combined three-building campus specification. Never repeat campus MW or area as each building total; no measured utilization established.",
            "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building."
          ],
          "sources": [
            {
              "url": "https://www.cyrusone.com/data-centers/north-america/aurora-il",
              "host": "cyrusone.com",
              "date": "",
              "published": "",
              "checked": "2026-10-14",
              "date_kind": "publication date not established",
              "label": "Reviewed source"
            }
          ],
          "whole_record_certified": false
        },
        {
          "overlay": "direct-operators-round5-2026-10-14.json",
          "scope": "general design article, not site proof",
          "fields": {},
          "notes": [
            "General AI design FAQ has market forecasts and company design context. It does not establish Aurora or Somerset site capex, capacity, operation or construction date. Publication metadata is2023, not its2025modification date.",
            "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building."
          ],
          "sources": [
            {
              "url": "https://www.cyrusone.com/resources/blogs/cyrusone-intelliscale-design-and-ai-data-center-faq",
              "host": "cyrusone.com",
              "date": "2023-08-24",
              "published": "2023-08-24",
              "checked": "2026-10-14",
              "date_kind": "publication",
              "label": "Reviewed source"
            }
          ],
          "whole_record_certified": false
        },
        {
          "overlay": "direct-operators-round5-2026-10-14.json",
          "scope": "named operator source",
          "fields": {
            "operator_resource": "Aurora CHI1-CHI3 generator schedule and sound mitigation page"
          },
          "notes": [
            "A maintenance schedule is not a new capacity or construction event; emergency equipment is not IT load.",
            "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building."
          ],
          "sources": [
            {
              "url": "https://www.cyrusone.com/data-centers/north-america/aurora-il-back-up-generator-schedule",
              "host": "cyrusone.com",
              "date": "",
              "published": "",
              "checked": "2026-10-14",
              "date_kind": "publication date not established",
              "label": "Reviewed source"
            }
          ],
          "whole_record_certified": false
        },
        {
          "overlay": "orchestra-status-2026-10-19",
          "scope": "CyrusOne lists current hosting and connectivity services for its named CHI1 to CHI3 Aurora campus. Its sound-mitigation link does not by itself establish measured noise, compliance or a resolved concern. This supports only the qualified stage described by the source, not an opening date, every hall being operational, full energized capacity, independently verified certification, legal ownership or parcel accuracy.",
          "fields": {
            "current_stage_evidence": {
              "outcome": "operator_listed_colocation_service",
              "scope": "CyrusOne lists current hosting and connectivity services for its named CHI1 to CHI3 Aurora campus. Its sound-mitigation link does not by itself establish measured noise, compliance or a resolved concern. This supports only the qualified stage described by the source, not an opening date, every hall being operational, full energized capacity, independently verified certification, legal ownership or parcel accuracy."
            }
          },
          "notes": [
            "CyrusOne lists current hosting and connectivity services for its named CHI1 to CHI3 Aurora campus. Its sound-mitigation link does not by itself establish measured noise, compliance or a resolved concern."
          ],
          "sources": [
            {
              "url": "https://www.cyrusone.com/data-centers/north-america/aurora-il",
              "host": "www.cyrusone.com",
              "published": "",
              "date": "",
              "checked": "2026-10-19",
              "label": "Operator source for the qualified stage"
            }
          ],
          "checked": "2026-10-19",
          "whole_record_certified": false
        },
        {
          "overlay": "Company role source check 10, October 23, 2026",
          "scope": "CyrusOne presents this named facility or campus in its own service portfolio. Operator is the attributed provider brand role, not a separately established legal operating entity, property owner or finding that every building and phase is operating. No status, location, physical date, capacity, certification, resource use, current utility price or environmental outcome is promoted. The source and retained record cover multiple named facilities on a campus. The relationship does not resolve or count individual buildings or certify each phase.",
          "fields": {
            "company_association": {
              "name": "CyrusOne",
              "role": "operator",
              "identity_scope": "provider_brand_only",
              "scope": "CyrusOne presents this named facility or campus in its own service portfolio. Operator is the attributed provider brand role, not a separately established legal operating entity, property owner or finding that every building and phase is operating. No status, location, physical date, capacity, certification, resource use, current utility price or environmental outcome is promoted. The source and retained record cover multiple named facilities on a campus. The relationship does not resolve or count individual buildings or certify each phase."
            },
            "provider_role": "operator"
          },
          "notes": [
            "CyrusOne presents this named facility or campus in its own service portfolio. Operator is the attributed provider brand role, not a separately established legal operating entity, property owner or finding that every building and phase is operating. No status, location, physical date, capacity, certification, resource use, current utility price or environmental outcome is promoted. The source and retained record cover multiple named facilities on a campus. The relationship does not resolve or count individual buildings or certify each phase.",
            "Source dates remain separate from physical milestones and the retained status field."
          ],
          "sources": [
            {
              "url": "https://www.cyrusone.com/data-centers/north-america/aurora-il",
              "host": "www.cyrusone.com",
              "published": "",
              "date": "",
              "checked": "2026-10-23",
              "label": "First party named facility portfolio or campus development source, scoped relationship reviewed"
            }
          ],
          "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": "Exact site not published; shown at county level",
      "summary": "Aurora · Kane · Source context reviewed",
      "status_scope": "CyrusOne lists current hosting and connectivity services for its named CHI1 to CHI3 Aurora campus. Its sound-mitigation link does not by itself establish measured noise, compliance or a resolved concern. This supports only the qualified stage described by the source, not an opening date, every hall being operational, full energized capacity, independently verified certification, legal ownership or parcel accuracy.",
      "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": "17089"
      }
    },
    {
      "id": "hut8-batavia-il",
      "state": "il",
      "kind": "facility",
      "name": "Hut 8 Batavia Data Center",
      "group": "proposed",
      "status": "City listed proposal",
      "raw_status": "proposed",
      "status_field": "current_status",
      "crypto": false,
      "type": "Data center (inventory classification)",
      "counties": [
        "Kane"
      ],
      "city": "Batavia",
      "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 municipal/limited original-witness or operator context; dates and source origins explicit.. City of Batavia August31,2026 update explicitly names Hut8proposal at1780HubbardAvenue. It says updatedprojectmaterial addresses closed-loopcooling, municipalwaterlimits, noise, projectedutility/fundrevenue and infrastructurecost/reimbursement. No exact limits, MW, money or signedagreement printed in thisannouncement; those remain unverified here. City describes proposal andfutureperformance rules, not an observedenergization/occupancycertificate. Currentmainpage returnedonlynavigation. No questionformsubmitted, videoswatched or imaginedcontents of absentagreement adopted. Publicworks/city-officeaddress100NIslandAvenue is NOTthedata-centeraddress. Not full-field, exact parcel, currentoperations or independently audited numerical certification.",
      "date": "",
      "events": [],
      "timeline": [],
      "opened": "",
      "tier": "",
      "sources": [
        {
          "url": "https://www.bataviail.gov/o/ed/article/3102661",
          "host": "bataviail.gov",
          "date": "",
          "published": "",
          "checked": "2026-10-15",
          "date_kind": "publication date not established",
          "label": "Reviewed source"
        },
        {
          "url": "https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=1780+Hubbard+Ave%2C+Batavia%2C+IL&benchmark=Public_AR_Current&vintage=Current_Current&format=json",
          "host": "geocoding.geo.census.gov",
          "published": "",
          "date": "",
          "checked": "2026-10-24",
          "label": "Complete literal published street query; calculated range only"
        },
        {
          "url": "https://imagery.nationalmap.gov/arcgis/rest/services/USGSNAIPPlus/ImageServer/exportImage?bbox=-88.27670176102897%2C41.85460828853755%2C-88.26343423897102%2C41.864489711462454&bboxSR=4326&imageSR=3857&size=600%2C600&format=png&f=image",
          "host": "imagery.nationalmap.gov",
          "published": "",
          "date": "",
          "checked": "2026-10-24",
          "label": "Actually viewed source street setting; acquisition date unknown"
        }
      ],
      "loc": {
        "lng": -88.270068,
        "lat": 41.859549,
        "precision": "address",
        "basis": "The original City of Batavia computing source identifies 1780 Hubbard Ave, Batavia, IL. One complete literal Census street query uniquely supports this calculated street reference inside the unchanged county. The proposed computing street is distinct from City offices at 100 N. Island Avenue. The August 31, 2026 page publication is not a physical event. No roof, tenant floor, title, present operation or complete campus is certified. Imagery acquisition date is unknown and may predate construction."
      },
      "reviewed_evidence": [
        {
          "overlay": "border-state-original-minutes-and-source-origin-review-round69-2026-10-15.json",
          "scope": "Named municipal/limited original-witness or operator context; dates and source origins explicit.",
          "fields": {},
          "notes": [
            "City of Batavia August31,2026 update explicitly names Hut8proposal at1780HubbardAvenue. It says updatedprojectmaterial addresses closed-loopcooling, municipalwaterlimits, noise, projectedutility/fundrevenue and infrastructurecost/reimbursement. No exact limits, MW, money or signedagreement printed in thisannouncement; those remain unverified here.",
            "City describes proposal andfutureperformance rules, not an observedenergization/occupancycertificate. Currentmainpage returnedonlynavigation. No questionformsubmitted, videoswatched or imaginedcontents of absentagreement adopted. Publicworks/city-officeaddress100NIslandAvenue is NOTthedata-centeraddress.",
            "Not full-field, exact parcel, currentoperations or independently audited numerical certification."
          ],
          "sources": [
            {
              "url": "https://www.bataviail.gov/o/ed/article/3102661",
              "host": "bataviail.gov",
              "date": "",
              "published": "",
              "checked": "2026-10-15",
              "date_kind": "publication date not established",
              "label": "Reviewed source"
            }
          ],
          "whole_record_certified": false
        },
        {
          "overlay": "Codex 3 research cohort 22",
          "scope": "Batavia current economic development update describes the Hut 8 facility at Hubbard Avenue as proposed. City listed proposal describes that project account. The update discusses future noise standards, cooling, water limits and projected utility or general fund revenue; those statements do not establish measured effects, completed electrical service, construction or operation. The separate current project route returned a page shell without substantive project body in this capture, so no uncaptured FAQ detail is adopted.",
          "fields": {
            "current_stage_evidence": {
              "outcome": "city_named_proposal_not_forecast_revenue_or_current_service",
              "scope": "Batavia current economic development update describes the Hut 8 facility at Hubbard Avenue as proposed. City listed proposal describes that project account. The update discusses future noise standards, cooling, water limits and projected utility or general fund revenue; those statements do not establish measured effects, completed electrical service, construction or operation. The separate current project route returned a page shell without substantive project body in this capture, so no uncaptured FAQ detail is adopted."
            }
          },
          "notes": [
            "Batavia current economic development update describes the Hut 8 facility at Hubbard Avenue as proposed. City listed proposal describes that project account. The update discusses future noise standards, cooling, water limits and projected utility or general fund revenue; those statements do not establish measured effects, completed electrical service, construction or operation. The separate current project route returned a page shell without substantive project body in this capture, so no uncaptured FAQ detail is adopted.",
            "The review preserves existing physical identity, locations, roles, quantities and opening fields. Source issue dates, review checks and physical milestones remain distinct."
          ],
          "sources": [
            {
              "url": "https://www.bataviail.gov/o/ed/article/3102661",
              "host": "www.bataviail.gov",
              "published": "",
              "date": "",
              "checked": "2026-10-23",
              "label": "Reviewed government record"
            }
          ],
          "checked": "2026-10-23",
          "whole_record_certified": false
        },
        {
          "overlay": "Codex 2 location cohort 72, 2026-10-24",
          "scope": "Exact original named computing source street and one complete literal Census query only. Every original group, role, quantity, name, address, county and source version stays exact. No roof, tenant floor, legal title, actual construction stage, operating event or complete campus is certified.",
          "fields": {
            "location_review_decision": {
              "location": {
                "lng": -88.270068,
                "lat": 41.859549,
                "precision": "address",
                "basis": "The original City of Batavia computing source identifies 1780 Hubbard Ave, Batavia, IL. One complete literal Census street query uniquely supports this calculated street reference inside the unchanged county. The proposed computing street is distinct from City offices at 100 N. Island Avenue. The August 31, 2026 page publication is not a physical event. No roof, tenant floor, title, present operation or complete campus is certified. Imagery acquisition date is unknown and may predate construction."
              },
              "reference_method": "Census interpolated street address",
              "published_address": "1780 Hubbard Ave, Batavia, IL",
              "county_fips": [
                "17089"
              ],
              "operator_coordinates_adopted": false,
              "corporate_address_adopted": false
            }
          },
          "notes": [
            "Exact original named computing source street and one complete literal Census query only. Every original group, role, quantity, name, address, county and source version stays exact. No roof, tenant floor, legal title, actual construction stage, operating event or complete campus is certified.",
            "The inherited general area coordinate was not independently admitted as a reviewed computing street reference. The original City of Batavia source explicitly identifies 1780 Hubbard Ave, Batavia, IL as the named computing location. One complete literal Census query returns a unique calculated street range inside unchanged county 17089. The measured correction is 413.0 metres. Exact original named computing facility street, not city or publisher mail. Every original group, role, quantity, name, address, county and source version remains unchanged. The source street and calculated Census range do not establish a roof, title, actual construction stage, operating event or complete campus. This is a source reference correction, not physical relocation.",
            "Exact original named computing facility street, not city or publisher mail. Every original group, role, quantity, name, address, county and source version remains unchanged. The source street and calculated Census range do not establish a roof, title, actual construction stage, operating event or complete campus.",
            "The street setting shows substantial buildings, parking, a curved road and rail corridor beside open fields. No computing roof, current construction stage or source parcel boundary is selected. Imagery acquisition date is unknown and may predate the proposal."
          ],
          "sources": [
            {
              "url": "https://www.bataviail.gov/o/ed/article/3102661",
              "host": "www.bataviail.gov",
              "published": "",
              "date": "",
              "checked": "2026-10-24",
              "label": "Exact original named computing street, distinct from contacts and technical fields"
            },
            {
              "url": "https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=1780+Hubbard+Ave%2C+Batavia%2C+IL&benchmark=Public_AR_Current&vintage=Current_Current&format=json",
              "host": "geocoding.geo.census.gov",
              "published": "",
              "date": "",
              "checked": "2026-10-24",
              "label": "Complete literal published street query; calculated range only"
            },
            {
              "url": "https://imagery.nationalmap.gov/arcgis/rest/services/USGSNAIPPlus/ImageServer/exportImage?bbox=-88.27670176102897%2C41.85460828853755%2C-88.26343423897102%2C41.864489711462454&bboxSR=4326&imageSR=3857&size=600%2C600&format=png&f=image",
              "host": "imagery.nationalmap.gov",
              "published": "",
              "date": "",
              "checked": "2026-10-24",
              "label": "Actually viewed source street setting; acquisition date unknown"
            }
          ],
          "checked": "2026-10-24",
          "whole_record_certified": false
        }
      ],
      "manual_source_reviewed": true,
      "whole_record_certified": false,
      "field_evidence_present": false,
      "inventory_label_retained": true,
      "precision_label": "Calculated street reference, not a roof or tenant floor",
      "summary": "Batavia · Kane · Source context reviewed",
      "status_scope": "Batavia current economic development update describes the Hut 8 facility at Hubbard Avenue as proposed. City listed proposal describes that project account. The update discusses future noise standards, cooling, water limits and projected utility or general fund revenue; those statements do not establish measured effects, completed electrical service, construction or operation. The separate current project route returned a page shell without substantive project body in this capture, so no uncaptured FAQ detail is adopted."
    },
    {
      "id": "white-rose-project-kilo-south-elgin-il",
      "state": "il",
      "kind": "facility",
      "name": "Project Kilo Data Center (South Elgin)",
      "group": "proposed",
      "status": "Listed proposal",
      "raw_status": "proposed",
      "status_field": "current_status",
      "crypto": false,
      "type": "Data center (inventory classification)",
      "counties": [
        "Kane"
      ],
      "city": "South Elgin",
      "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. Personally read project-specific public context only; no whole-record certification. Regional, directory, legislative and membership sources do not verify an exact building.. July 15 meeting was cancelled and previously suggestedAugust 19 review was no longer scheduled; do not publish either as an observed approval. Developer seeks to buy land, not verified closed purchase. Several-million annual taxes and infrastructure funding are projections/promises, not signed payments or tariff protection. Half-Olympic-pool initial fill/two-household ongoing water and whisper-level modeled noise are nonquantified developer analogies, not metered impact or adopted permit limits.8347 petition signatures are dated online tally, not unique local residents or survey result. NoITMW, tenant or RFSverified. Later originals and observed outcomes take precedence; future dates have no assumed result. 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.shawlocal.com/kane-county-chronicle/2026/07/28/data-center-developer-launches-website-to-allay-south-elgins-fears/",
          "host": "shawlocal.com",
          "date": "2026-07-28",
          "published": "2026-07-28",
          "checked": "2026-10-14",
          "date_kind": "publication",
          "label": "Reviewed source"
        },
        {
          "url": "https://www.southelgin-projectkilo.com/",
          "host": "www.southelgin-projectkilo.com",
          "published": "",
          "date": "",
          "checked": "2026-10-23",
          "label": "Reviewed operator source"
        }
      ],
      "loc": {
        "lat": 41.91318,
        "lng": -88.4264,
        "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": "regional-development-review-round34-2026-10-14.json",
          "scope": "Personally read project-specific public context only; no whole-record certification. Regional, directory, legislative and membership sources do not verify an exact building.",
          "fields": {
            "reported_context": "ShawLocal reports WhiteRose launched a public ProjectKilo website for a proposed 20 acreSouthElgin annexation/data center, with concept-review meeting date now undetermined.",
            "independently_verified_current_operating_status": null
          },
          "notes": [
            "July 15 meeting was cancelled and previously suggestedAugust 19 review was no longer scheduled; do not publish either as an observed approval. Developer seeks to buy land, not verified closed purchase. Several-million annual taxes and infrastructure funding are projections/promises, not signed payments or tariff protection. Half-Olympic-pool initial fill/two-household ongoing water and whisper-level modeled noise are nonquantified developer analogies, not metered impact or adopted permit limits.8347 petition signatures are dated online tally, not unique local residents or survey result. NoITMW, tenant or RFSverified.",
            "Later originals and observed outcomes take precedence; future dates have no assumed result.",
            "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building."
          ],
          "sources": [
            {
              "url": "https://www.shawlocal.com/kane-county-chronicle/2026/07/28/data-center-developer-launches-website-to-allay-south-elgins-fears/",
              "host": "shawlocal.com",
              "date": "2026-07-28",
              "published": "2026-07-28",
              "checked": "2026-10-14",
              "date_kind": "publication",
              "label": "Reviewed source"
            }
          ],
          "whole_record_certified": false
        },
        {
          "overlay": "Codex 3 research cohort 60",
          "scope": "The current original Project Kilo page explicitly describes potential development in South Elgin and conditional plans if developed. This supports a listed proposal. Its July 22, 2026 update label is not independently the first publication or announcement day. Conceptual acoustic modeling, projected benefits, utility arrangements, design descriptions, other city examples and issuer assertions about environmental regulation are not independently measured operating impacts, executed permits or commissioned computing. No quantity or location field is changed.",
          "fields": {
            "current_stage_evidence": {
              "outcome": "original_named_south_elgin_conditional_proposal",
              "scope": "The current original Project Kilo page explicitly describes potential development in South Elgin and conditional plans if developed. This supports a listed proposal. Its July 22, 2026 update label is not independently the first publication or announcement day. Conceptual acoustic modeling, projected benefits, utility arrangements, design descriptions, other city examples and issuer assertions about environmental regulation are not independently measured operating impacts, executed permits or commissioned computing. No quantity or location field is changed."
            },
            "source_read_scope": {
              "original_project_introduction_planning_and_selected_noise_sections_read": true,
              "updated_label_not_first_publication": true,
              "model_not_actual_operating_noise": true,
              "other_city_examples_not_project_outcomes": true,
              "no_quantity_role_or_location_export": true
            }
          },
          "notes": [
            "The current original Project Kilo page explicitly describes potential development in South Elgin and conditional plans if developed. This supports a listed proposal. Its July 22, 2026 update label is not independently the first publication or announcement day. Conceptual acoustic modeling, projected benefits, utility arrangements, design descriptions, other city examples and issuer assertions about environmental regulation are not independently measured operating impacts, executed permits or commissioned computing. No quantity or location field is changed.",
            "Existing location, jurisdiction, provider roles, identities, quantities and physical opening dates remain unchanged. Proposal and administrative evidence do not certify computing operation."
          ],
          "sources": [
            {
              "url": "https://www.southelgin-projectkilo.com/",
              "host": "www.southelgin-projectkilo.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": "Exact site not published; shown at county level",
      "summary": "South Elgin · Kane · Source context reviewed",
      "status_scope": "The current original Project Kilo page explicitly describes potential development in South Elgin and conditional plans if developed. This supports a listed proposal. Its July 22, 2026 update label is not independently the first publication or announcement day. Conceptual acoustic modeling, projected benefits, utility arrangements, design descriptions, other city examples and issuer assertions about environmental regulation are not independently measured operating impacts, executed permits or commissioned computing. No quantity or location field is changed.",
      "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": "17089"
      }
    }
  ],
  "compilation_license": "withheld_pending_owner_decision"
}