{"api_version":"1","dataset":{"id":"2026-10-27-research-hundredsecond","label":"2026-10-27 · 838 sites","release_status":"published","publishable_as_final":true,"checkpoint_date":"2026-10-27","lifecycle_reference_date":"2026-10-27","updated_at":"2026-10-27","observation_window_start":"2024-08-06","observation_window_end":"2026-10-27"},"site":{"site_id":"vcc-site-0db17b27ff270e0d54bb","physical_site_stable_key":"curated:ntt-chicago-itasca-hamilton-lakes-campus","name":"NTT Global Data Centers Chicago Campus, Hamilton Lakes, Pierce Road, Itasca (DuPage County)","country":"United States","country_iso_a2":"US","latitude":41.9879041,"longitude":-88.0077012,"geometry":{"coordinates":[-88.0077012,41.9879041],"type":"Point"},"geometry_type":"Point","geometry_source_entity_kinds":["campus"],"geometry_derivations":["direct_geometry"],"geometry_methods":["official_county_working_parcel_polygon_centroid_native_EPSG3435_to_EPSG4326"],"geometry_scope_classes":["official_tax_parcel_centroid"],"geometry_authority_classes":["official_source"],"geometry_use_scopes":["campus_locator"],"geometry_precision_scopes":["Centroid of DuPage County parcel 03-05-200-047 (27.6 acres, about 348 by 429 m; legal 'NTT CORP RESUB 2'; billing name NTT Global Data Centers; property address 235-75 Pierce Rd, Itasca), the largest NTT parcel of the campus, which carries the 235, 255 and 275 Pierce Rd address points. It locates NTT's Itasca campus, not the CH3 building, whose lot and footprint are not published in the records read; the separate CH4 lot (PINs 03-05-200-019, -020, -029) lies about 280 m to the east-north-east."],"horizontal_uncertainty_metres":null,"horizontal_uncertainty_unknown_reason":"The county publishes no positional accuracy for its working parcel layer, and the point represents a 27.6-acre parcel whose vertices lie up to 256 m away within a campus of about 35 acres plus the 12.2-acre CH4 lot; the CH3 building position is not published.","geometry_evidence_ids":["babb6a52-ed2f-5bc0-ae89-f73db8492a70"],"project_count":1,"project_ids":["473cb9e4-a120-5423-8065-1925b7678429"],"project_stable_keys":["curated:ntt-chicago-itasca-hamilton-lakes-campus:ch3-data-center-building"],"statuses":["under_construction"],"oldest_status_as_of":"2026-08-13","newest_status_as_of":"2026-08-13","verification_posture":"authoritative_physical_observation_plus_reviewed_site_locator","independent_imagery_verification":false,"imagery_review_outcomes":["not_reviewed"],"official_boundary":false,"country_slug":"us","url":"https://kiankyars.github.io/datacenter-atlas/sites/vcc-site-0db17b27ff270e0d54bb/","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/sites/vcc-site-0db17b27ff270e0d54bb.json","geometry_licenses":["public-record-source-terms"],"geometry_attributions":["DuPage County, Illinois GIS"]},"projects":[{"project_id":"473cb9e4-a120-5423-8065-1925b7678429","project_stable_key":"curated:ntt-chicago-itasca-hamilton-lakes-campus:ch3-data-center-building","site_id":"vcc-site-0db17b27ff270e0d54bb","physical_site_stable_key":"curated:ntt-chicago-itasca-hamilton-lakes-campus","name":"NTT Chicago CH3 - new 270,000 sq ft data center building under construction","country":"United States","country_iso_a2":"US","latitude":41.9879041,"longitude":-88.0077012,"geometry":{"coordinates":[-88.0077012,41.9879041],"type":"Point"},"geometry_type":"Point","geometry_source_entity_kind":"campus","geometry_derivation":"direct_geometry","geometry_method":"official_county_working_parcel_polygon_centroid_native_EPSG3435_to_EPSG4326","geometry_scope_class":"official_tax_parcel_centroid","geometry_authority_class":"official_source","geometry_use_scope":"campus_locator","geometry_precision_scope":"Centroid of DuPage County parcel 03-05-200-047 (27.6 acres, about 348 by 429 m; legal 'NTT CORP RESUB 2'; billing name NTT Global Data Centers; property address 235-75 Pierce Rd, Itasca), the largest NTT parcel of the campus, which carries the 235, 255 and 275 Pierce Rd address points. It locates NTT's Itasca campus, not the CH3 building, whose lot and footprint are not published in the records read; the separate CH4 lot (PINs 03-05-200-019, -020, -029) lies about 280 m to the east-north-east.","horizontal_uncertainty_metres":null,"horizontal_uncertainty_unknown_reason":"The county publishes no positional accuracy for its working parcel layer, and the point represents a 27.6-acre parcel whose vertices lie up to 256 m away within a campus of about 35 acres plus the 12.2-acre CH4 lot; the CH3 building position is not published.","geometry_evidence_id":"babb6a52-ed2f-5bc0-ae89-f73db8492a70","last_observed_physical_status":"under_construction","status_as_of":"2026-08-13","status_age_days_at_review":75,"status_method":"authoritative_physical_status_update","status_evidence_id":"65b225f5-aebb-5847-914b-ec6c0b21c85e","verification_posture":"authoritative_physical_observation_plus_reviewed_site_locator","independent_imagery_verification":false,"imagery_review_outcome":"not_reviewed","development_type":"unknown","development_type_unknown_reason":"not established by selected evidence","operating_model":"unknown","operating_model_unknown_reason":"not established by selected evidence","operating_model_evidence_id":null,"workloads":[],"workload_unknown_reason":"not established by selected evidence","role_claims":[{"evidence_id":"65b225f5-aebb-5847-914b-ec6c0b21c85e","party":"NTT Global Data Centers","relationship_scope":"current","role":"owner"},{"evidence_id":"65b225f5-aebb-5847-914b-ec6c0b21c85e","party":"NTT Global Data Centers","relationship_scope":"intended","role":"operator"}],"power_observations":[],"power_unknown_reason":"no typed power observation selected; not estimated","annual_energy_observations":[],"annual_energy_unknown_reason":"no scoped annual-energy inputs; not estimated","efficiency_observations":[],"efficiency_unknown_reason":"no scoped PUE or WUE observation","owner":"NTT Global Data Centers","operator":"NTT Global Data Centers","users":null,"tenants":null,"customers":null,"status_source_url":"https://www.itasca.com/AgendaCenter/ViewFile/Agenda/_09152026-1301?packet=true","geometry_source_url":"https://gis.dupageco.org/arcgis/rest/services/ParcelSearch/DuPageAssessmentParcelViewer/MapServer/4/query?where=PIN+IN+%28%270305200047%27%2C%270305200045%27%2C%270305200046%27%2C%270305200019%27%2C%270305200020%27%2C%270305200029%27%29&outFields=PIN%2CACREAGE%2CPROPADDRL1%2CPROPSTNAME%2CPROPCITY%2CMUNICIPALITY%2CPARCEL_STATUS%2CPROPCLASS%2CLEGALDES1%2CBILLNAME&returnGeometry=true&outSR=4326&f=json","project_details":[],"evidence_ids":["65b225f5-aebb-5847-914b-ec6c0b21c85e","b77e8f1a-3cd9-50bd-b18c-5f232eecb417","b80806ad-420e-5c2f-b4fb-f16e1c9fbc6c","babb6a52-ed2f-5bc0-ae89-f73db8492a70","e1cf0566-227a-5bef-8311-485b00f937df","fb91d39d-e981-5964-b993-f2cee935fe6d","fcb02ec2-51cc-5ad1-8584-f943e6077aef"],"status_source":{"evidence_id":"65b225f5-aebb-5847-914b-ec6c0b21c85e","title":"Village of Itasca Village Board agenda packet, 15 September 2026 (first reading of Res. 1734-26, development agreement with NTT Global Data for the CH4 data center building; staff memo submitted 13 August 2026)","publisher":"Village of Itasca, Illinois","kind":"government_record","published_at":"2026-09-15","source_url":"https://www.itasca.com/AgendaCenter/ViewFile/Agenda/_09152026-1301?packet=true","license":"public-record-source-terms","attribution":"Village of Itasca"},"url":"https://kiankyars.github.io/datacenter-atlas/sites/vcc-site-0db17b27ff270e0d54bb/#project-473cb9e4-a120-5423-8065-1925b7678429","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/projects/473cb9e4-a120-5423-8065-1925b7678429.json","geometry_source":{"evidence_id":"babb6a52-ed2f-5bc0-ae89-f73db8492a70","title":"DuPage County GIS working parcel layer (Cadastral Realestate): NTT Global Data Centers parcels at Pierce Road and Arlington Heights Road, Itasca (PINs 03-05-200-019, -020, -029, -045, -046, -047)","publisher":"DuPage County, Illinois (County GIS Division)","kind":"government_record","published_at":null,"source_url":"https://gis.dupageco.org/arcgis/rest/services/ParcelSearch/DuPageAssessmentParcelViewer/MapServer/4/query?where=PIN+IN+%28%270305200047%27%2C%270305200045%27%2C%270305200046%27%2C%270305200019%27%2C%270305200020%27%2C%270305200029%27%29&outFields=PIN%2CACREAGE%2CPROPADDRL1%2CPROPSTNAME%2CPROPCITY%2CMUNICIPALITY%2CPARCEL_STATUS%2CPROPCLASS%2CLEGALDES1%2CBILLNAME&returnGeometry=true&outSR=4326&f=json","license":"public-record-source-terms","attribution":"DuPage County, Illinois GIS"}}],"evidence":[{"evidence_id":"b80806ad-420e-5c2f-b4fb-f16e1c9fbc6c","roles":["context:identity"],"project_ids":["473cb9e4-a120-5423-8065-1925b7678429"],"kind":"government_record","title":"DuPage County address points (Address Points Under Development layer): 235, 255, 275 and 295 Pierce Rd, Itasca","source_url":"https://gis.dupageco.org/arcgis/rest/services/DuPage_County_IL/AddressPointsUnderDevelopment/MapServer/0/query?where=STREET_NAME%3D%27PIERCE%27+AND+MUNICIPALITY%3D%27ITASCA%27+AND+STREET_NUM+IN+%28%27235%27%2C%27255%27%2C%27275%27%2C%27295%27%29&outFields=ADDRESS_ID%2CSTREET_NUM%2CSTREET_PREFIX_DIR%2CSTREET_NAME%2CSTREET_TYPE%2CMUNICIPALITY%2CZIPCODE%2CPROPADDRL1&returnGeometry=true&outSR=4326&f=json","publisher":"DuPage County, Illinois (County GIS Division)","source_family":"dupage_county_gis","license":"public-record-source-terms","attribution":"DuPage County, Illinois GIS","published_at":null,"retrieved_at":"2026-10-27T02:27:41.943Z","content_hash":"a96f5271c2093fe1f2393da5dd2ddcf2bd48107e912dccf0b194d1dd2b2f070c","publication_date_precision":"unknown","content_hash_scope":"sha256_exact_content_decoded_response_bytes","source_record_id":null,"source_local_id":null,"source_record_sha256":null,"site_ids":["vcc-site-0db17b27ff270e0d54bb"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/b80806ad-420e-5c2f-b4fb-f16e1c9fbc6c.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/b80806ad-420e-5c2f-b4fb-f16e1c9fbc6c.json","archive_url":"https://web.archive.org/web/20261027022741/https://gis.dupageco.org/arcgis/rest/services/DuPage_County_IL/AddressPointsUnderDevelopment/MapServer/0/query?where=STREET_NAME%3D%27PIERCE%27+AND+MUNICIPALITY%3D%27ITASCA%27+AND+STREET_NUM+IN+%28%27235%27%2C%27255%27%2C%27275%27%2C%27295%27%29&outFields=ADDRESS_ID%2CSTREET_NUM%2CSTREET_PREFIX_DIR%2CSTREET_NAME%2CSTREET_TYPE%2CMUNICIPALITY%2CZIPCODE%2CPROPADDRL1&returnGeometry=true&outSR=4326&f=json"},{"evidence_id":"babb6a52-ed2f-5bc0-ae89-f73db8492a70","roles":["geometry"],"project_ids":["473cb9e4-a120-5423-8065-1925b7678429"],"kind":"government_record","title":"DuPage County GIS working parcel layer (Cadastral Realestate): NTT Global Data Centers parcels at Pierce Road and Arlington Heights Road, Itasca (PINs 03-05-200-019, -020, -029, -045, -046, -047)","source_url":"https://gis.dupageco.org/arcgis/rest/services/ParcelSearch/DuPageAssessmentParcelViewer/MapServer/4/query?where=PIN+IN+%28%270305200047%27%2C%270305200045%27%2C%270305200046%27%2C%270305200019%27%2C%270305200020%27%2C%270305200029%27%29&outFields=PIN%2CACREAGE%2CPROPADDRL1%2CPROPSTNAME%2CPROPCITY%2CMUNICIPALITY%2CPARCEL_STATUS%2CPROPCLASS%2CLEGALDES1%2CBILLNAME&returnGeometry=true&outSR=4326&f=json","publisher":"DuPage County, Illinois (County GIS Division)","source_family":"dupage_county_gis","license":"public-record-source-terms","attribution":"DuPage County, Illinois GIS","published_at":null,"retrieved_at":"2026-10-27T02:21:11.706Z","content_hash":"e39f6c5b6c3d6205f340ab2aedef99f1ed541764e983378fc4d1feafae19e929","publication_date_precision":"unknown","content_hash_scope":"sha256_exact_content_decoded_response_bytes","source_record_id":null,"source_local_id":null,"source_record_sha256":null,"site_ids":["vcc-site-0db17b27ff270e0d54bb"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/babb6a52-ed2f-5bc0-ae89-f73db8492a70.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/babb6a52-ed2f-5bc0-ae89-f73db8492a70.json","archive_url":"https://web.archive.org/web/20261027022111/https://gis.dupageco.org/arcgis/rest/services/ParcelSearch/DuPageAssessmentParcelViewer/MapServer/4/query?where=PIN+IN+%28%270305200047%27%2C%270305200045%27%2C%270305200046%27%2C%270305200019%27%2C%270305200020%27%2C%270305200029%27%29&outFields=PIN%2CACREAGE%2CPROPADDRL1%2CPROPSTNAME%2CPROPCITY%2CMUNICIPALITY%2CPARCEL_STATUS%2CPROPCLASS%2CLEGALDES1%2CBILLNAME&returnGeometry=true&outSR=4326&f=json"},{"evidence_id":"fb91d39d-e981-5964-b993-f2cee935fe6d","roles":["context:identity"],"project_ids":["473cb9e4-a120-5423-8065-1925b7678429"],"kind":"government_record","title":"DuPage County GIS working parcel layer: the same six parcels in native NAD83 / Illinois East (ftUS) coordinates","source_url":"https://gis.dupageco.org/arcgis/rest/services/ParcelSearch/DuPageAssessmentParcelViewer/MapServer/4/query?where=PIN+IN+%28%270305200047%27%2C%270305200045%27%2C%270305200046%27%2C%270305200019%27%2C%270305200020%27%2C%270305200029%27%29&outFields=PIN&returnGeometry=true&f=json","publisher":"DuPage County, Illinois (County GIS Division)","source_family":"dupage_county_gis","license":"public-record-source-terms","attribution":"DuPage County, Illinois GIS","published_at":null,"retrieved_at":"2026-10-27T02:21:15.320Z","content_hash":"4fc2a9688fef4938f9c50416f0c0924e728e3c4648161bd787f8d89a672d7c3d","publication_date_precision":"unknown","content_hash_scope":"sha256_exact_content_decoded_response_bytes","source_record_id":null,"source_local_id":null,"source_record_sha256":null,"site_ids":["vcc-site-0db17b27ff270e0d54bb"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/fb91d39d-e981-5964-b993-f2cee935fe6d.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/fb91d39d-e981-5964-b993-f2cee935fe6d.json","archive_url":"https://web.archive.org/web/20261027022115/https://gis.dupageco.org/arcgis/rest/services/ParcelSearch/DuPageAssessmentParcelViewer/MapServer/4/query?where=PIN+IN+%28%270305200047%27%2C%270305200045%27%2C%270305200046%27%2C%270305200019%27%2C%270305200020%27%2C%270305200029%27%29&outFields=PIN&returnGeometry=true&f=json"},{"evidence_id":"fcb02ec2-51cc-5ad1-8584-f943e6077aef","roles":["context:identity"],"project_ids":["473cb9e4-a120-5423-8065-1925b7678429"],"kind":"government_record","title":"DuPage County GIS, DuPageAssessmentParcelViewer map service description","source_url":"https://gis.dupageco.org/arcgis/rest/services/ParcelSearch/DuPageAssessmentParcelViewer/MapServer?f=json","publisher":"DuPage County, Illinois (County GIS Division)","source_family":"dupage_county_gis","license":"public-record-source-terms","attribution":"DuPage County, Illinois GIS","published_at":null,"retrieved_at":"2026-10-27T02:21:20.804Z","content_hash":"b168ce95d1c566a2dfcd5cc4069b28ab9f3c0e27606aa137549c936e04308820","publication_date_precision":"unknown","content_hash_scope":"sha256_exact_content_decoded_response_bytes","source_record_id":null,"source_local_id":null,"source_record_sha256":null,"site_ids":["vcc-site-0db17b27ff270e0d54bb"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/fcb02ec2-51cc-5ad1-8584-f943e6077aef.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/fcb02ec2-51cc-5ad1-8584-f943e6077aef.json","archive_url":"https://web.archive.org/web/20261027022120/https://gis.dupageco.org/arcgis/rest/services/ParcelSearch/DuPageAssessmentParcelViewer/MapServer?f=json"},{"evidence_id":"65b225f5-aebb-5847-914b-ec6c0b21c85e","roles":["physical_status","role:operator","role:owner"],"project_ids":["473cb9e4-a120-5423-8065-1925b7678429"],"kind":"government_record","title":"Village of Itasca Village Board agenda packet, 15 September 2026 (first reading of Res. 1734-26, development agreement with NTT Global Data for the CH4 data center building; staff memo submitted 13 August 2026)","source_url":"https://www.itasca.com/AgendaCenter/ViewFile/Agenda/_09152026-1301?packet=true","publisher":"Village of Itasca, Illinois","source_family":"itasca_agenda_center_records","license":"public-record-source-terms","attribution":"Village of Itasca","published_at":"2026-09-15","retrieved_at":"2026-10-27T02:16:47.610Z","content_hash":"fc256a559e508c87dd0fe6706b988bc6515813a6b55b4b3d51507bfffde4b482","publication_date_precision":"day","content_hash_scope":"sha256_exact_content_decoded_response_bytes","source_record_id":null,"source_local_id":null,"source_record_sha256":null,"site_ids":["vcc-site-0db17b27ff270e0d54bb"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/65b225f5-aebb-5847-914b-ec6c0b21c85e.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/65b225f5-aebb-5847-914b-ec6c0b21c85e.json","archive_url":"https://web.archive.org/web/20261027021647/https://www.itasca.com/AgendaCenter/ViewFile/Agenda/_09152026-1301?packet=true"},{"evidence_id":"e1cf0566-227a-5bef-8311-485b00f937df","roles":["context:identity"],"project_ids":["473cb9e4-a120-5423-8065-1925b7678429"],"kind":"government_record","title":"Village of Itasca Village Board meeting agenda, 6 October 2026 (consent item: Res. 1734-26, development agreement with NTT Global Data for the CH4 data center)","source_url":"https://www.itasca.com/AgendaCenter/ViewFile/Agenda/_10062026-1305","publisher":"Village of Itasca, Illinois","source_family":"itasca_agenda_center_records","license":"public-record-source-terms","attribution":"Village of Itasca","published_at":"2026-10-06","retrieved_at":"2026-10-27T02:15:08.350Z","content_hash":"91bb1e3b8ca01482b1318bbead764ce8fc1187e2a06cd9f5fc31f586be828dc9","publication_date_precision":"day","content_hash_scope":"sha256_exact_content_decoded_response_bytes","source_record_id":null,"source_local_id":null,"source_record_sha256":null,"site_ids":["vcc-site-0db17b27ff270e0d54bb"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/e1cf0566-227a-5bef-8311-485b00f937df.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/e1cf0566-227a-5bef-8311-485b00f937df.json","archive_url":"https://web.archive.org/web/20261027021508/https://www.itasca.com/AgendaCenter/ViewFile/Agenda/_10062026-1305"},{"evidence_id":"b77e8f1a-3cd9-50bd-b18c-5f232eecb417","roles":["context:identity"],"project_ids":["473cb9e4-a120-5423-8065-1925b7678429"],"kind":"government_record","title":"Village of Itasca Village Board minutes, regular meeting of 6 October 2026 (scanned)","source_url":"https://www.itasca.com/AgendaCenter/ViewFile/Minutes/_10062026-1305","publisher":"Village of Itasca, Illinois","source_family":"itasca_agenda_center_records","license":"public-record-source-terms","attribution":"Village of Itasca","published_at":"2026-10-21","retrieved_at":"2026-10-27T02:17:42.452Z","content_hash":"2238b4108b31f664e6bbfcc1d78ba5cefbf6f250d6d11a795ddfb8fe13d82b44","publication_date_precision":"day","content_hash_scope":"sha256_exact_content_decoded_response_bytes","source_record_id":null,"source_local_id":null,"source_record_sha256":null,"site_ids":["vcc-site-0db17b27ff270e0d54bb"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/b77e8f1a-3cd9-50bd-b18c-5f232eecb417.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/b77e8f1a-3cd9-50bd-b18c-5f232eecb417.json","archive_url":"https://web.archive.org/web/20261027021742/https://www.itasca.com/AgendaCenter/ViewFile/Minutes/_10062026-1305"}],"links":{"html":"https://kiankyars.github.io/datacenter-atlas/sites/vcc-site-0db17b27ff270e0d54bb/","sites":"https://kiankyars.github.io/datacenter-atlas/api/v1/sites.json","dataset_download":"https://github.com/kiankyars/datacenter-atlas/releases/download/data-2026-10-27-research-hundredsecond/datacenter-atlas-2026-10-27-research-hundredsecond.zip","geojson":"https://kiankyars.github.io/datacenter-atlas/api/v1/sites/vcc-site-0db17b27ff270e0d54bb.geojson","explorer":"https://kiankyars.github.io/datacenter-atlas/#site=vcc-site-0db17b27ff270e0d54bb","dataset_files":"https://kiankyars.github.io/datacenter-atlas/downloads/2026-10-27-research-hundredsecond/","latest_download":"https://kiankyars.github.io/datacenter-atlas/downloads/latest/datacenter-atlas-latest.zip","citation":"https://kiankyars.github.io/datacenter-atlas/api/v1/citation.json"}}