{"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-b38b02f920b409f27698","physical_site_stable_key":"curated:colt-london-hayes-campus","name":"Colt London Hayes Campus","country":"United Kingdom","country_iso_a2":"GB","latitude":51.5095591,"longitude":-0.394089,"geometry":{"coordinates":[[[-0.3944683,51.5099543],[-0.3947397,51.5093469],[-0.3936822,51.5091639],[-0.3934383,51.5097099],[-0.3941517,51.5098333],[-0.3941242,51.5098947],[-0.3944683,51.5099543]]],"type":"Polygon"},"geometry_type":"Polygon","geometry_source_entity_kinds":["building"],"geometry_derivations":["capture_replayed_geometry"],"geometry_methods":["capture_replayed_openstreetmap_exact_colt_london4_named_building_polygon_as_project_locator"],"geometry_scope_classes":["community_mapped_named_colt_london4_building_polygon"],"geometry_authority_classes":["community_mapped"],"geometry_use_scopes":["project_locator"],"geometry_precision_scopes":["Contributor-mapped polygon for the exact named London 4 building, used only to locate the selected facility-build project. It is not an official building footprint, parcel, complete present or future campus boundary, five-building plan, security boundary, or current construction-progress extent."],"horizontal_uncertainty_metres":null,"horizontal_uncertainty_unknown_reason":"OpenStreetMap supplies no survey, cadastral, planning-boundary, or numeric horizontal-accuracy statement.","geometry_evidence_ids":["c0b3ca09-1341-5395-9301-9f6a2d67cf0c"],"project_count":1,"project_ids":["0bac3fe4-c3dd-54ba-a500-e37599191432"],"project_stable_keys":["curated:colt-london-hayes-campus:london4-current-facility-build"],"statuses":["under_construction"],"oldest_status_as_of":"2026-07-19","newest_status_as_of":"2026-07-19","verification_posture":"recent_authoritative_physical_observation_plus_reviewed_site_locator","independent_imagery_verification":false,"imagery_review_outcomes":["not_reviewed_for_core_preview"],"official_boundary":false,"country_slug":"gb","url":"https://kiankyars.github.io/datacenter-atlas/sites/vcc-site-b38b02f920b409f27698/","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/sites/vcc-site-b38b02f920b409f27698.json","geometry_licenses":["ODbL-1.0"],"geometry_attributions":["© OpenStreetMap contributors"]},"projects":[{"project_id":"0bac3fe4-c3dd-54ba-a500-e37599191432","project_stable_key":"curated:colt-london-hayes-campus:london4-current-facility-build","site_id":"vcc-site-b38b02f920b409f27698","physical_site_stable_key":"curated:colt-london-hayes-campus","name":"Colt London 4 Current Facility Build","country":"United Kingdom","country_iso_a2":"GB","latitude":51.5095591,"longitude":-0.394089,"geometry":{"coordinates":[[[-0.3944683,51.5099543],[-0.3947397,51.5093469],[-0.3936822,51.5091639],[-0.3934383,51.5097099],[-0.3941517,51.5098333],[-0.3941242,51.5098947],[-0.3944683,51.5099543]]],"type":"Polygon"},"geometry_type":"Polygon","geometry_source_entity_kind":"building","geometry_derivation":"capture_replayed_geometry","geometry_method":"capture_replayed_openstreetmap_exact_colt_london4_named_building_polygon_as_project_locator","geometry_scope_class":"community_mapped_named_colt_london4_building_polygon","geometry_authority_class":"community_mapped","geometry_use_scope":"project_locator","geometry_precision_scope":"Contributor-mapped polygon for the exact named London 4 building, used only to locate the selected facility-build project. It is not an official building footprint, parcel, complete present or future campus boundary, five-building plan, security boundary, or current construction-progress extent.","horizontal_uncertainty_metres":null,"horizontal_uncertainty_unknown_reason":"OpenStreetMap supplies no survey, cadastral, planning-boundary, or numeric horizontal-accuracy statement.","geometry_evidence_id":"c0b3ca09-1341-5395-9301-9f6a2d67cf0c","last_observed_physical_status":"under_construction","status_as_of":"2026-07-19","status_age_days_at_review":100,"status_method":"authoritative_physical_status_update","status_evidence_id":"465b57e0-58b6-56aa-8b00-728b9cc9c201","verification_posture":"recent_authoritative_physical_observation_plus_reviewed_site_locator","independent_imagery_verification":false,"imagery_review_outcome":"not_reviewed_for_core_preview","development_type":"unknown","development_type_unknown_reason":"source evidence does not distinguish greenfield, expansion, or retrofit","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":[],"power_observations":[{"as_of_date":"2026-07-19","base":31.0,"confidence":0.99,"evidence_id":"6e4b0bfe-23de-5439-9dc0-3688a382a285","high":31.0,"low":31.0,"method":"reported","metric":"critical_it_mw","notes":"Planned critical-IT capacity for the London 4 facility only. The source says 31 MW of IT power will be delivered upon completion; this is not current load, gross facility power, grid draw, generation, measured energy consumption, or capacity for the future five-building campus.","stage":"planned","target_date":null,"unit":"MW"}],"power_unknown_reason":null,"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":null,"operator":null,"users":null,"tenants":null,"customers":null,"status_source_url":"https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4/timeline","geometry_source_url":"https://www.openstreetmap.org/way/1495920404","project_details":[],"evidence_ids":["465b57e0-58b6-56aa-8b00-728b9cc9c201","6e4b0bfe-23de-5439-9dc0-3688a382a285","c0b3ca09-1341-5395-9301-9f6a2d67cf0c"],"status_source":{"evidence_id":"465b57e0-58b6-56aa-8b00-728b9cc9c201","title":"London Hayes Data Centre Construction Timeline | Data Centre London | Colt DCS","publisher":"Colt Data Centre Services","kind":"company_disclosure","published_at":"2023-05-05T10:24:50Z","source_url":"https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4/timeline","license":"all-rights-reserved","attribution":"Colt Data Centre Services"},"url":"https://kiankyars.github.io/datacenter-atlas/sites/vcc-site-b38b02f920b409f27698/#project-0bac3fe4-c3dd-54ba-a500-e37599191432","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/projects/0bac3fe4-c3dd-54ba-a500-e37599191432.json","geometry_source":{"evidence_id":"c0b3ca09-1341-5395-9301-9f6a2d67cf0c","title":"OpenStreetMap way 1495920404: Colt London 4","publisher":"OpenStreetMap contributors","kind":"openstreetmap","published_at":"2026-07-31T13:20:32Z","source_url":"https://www.openstreetmap.org/way/1495920404","license":"ODbL-1.0","attribution":"© OpenStreetMap contributors"}}],"evidence":[{"evidence_id":"6e4b0bfe-23de-5439-9dc0-3688a382a285","roles":["typed_metric:critical_it_mw"],"project_ids":["0bac3fe4-c3dd-54ba-a500-e37599191432"],"kind":"company_disclosure","title":"Hyperscale Data Centre Services in London Hayes | Colt DCS","source_url":"https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4","publisher":"Colt Data Centre Services","source_family":"colt_data_centre_location_pages","license":"all-rights-reserved","attribution":"Colt Data Centre Services","published_at":"2024-08-06T22:52:26Z","retrieved_at":"2026-07-19T17:00:24Z","content_hash":"b5f0fafe970e5a1c744d571a45ce4407c76fb374a0b1d03784607dbf68648a25","publication_date_precision":"datetime","content_hash_scope":"inherited_unspecified","source_record_id":null,"source_local_id":null,"source_record_sha256":null,"site_ids":["vcc-site-b38b02f920b409f27698"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/6e4b0bfe-23de-5439-9dc0-3688a382a285.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/6e4b0bfe-23de-5439-9dc0-3688a382a285.json","archive_url":"https://web.archive.org/web/20260719170024/https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4"},{"evidence_id":"465b57e0-58b6-56aa-8b00-728b9cc9c201","roles":["physical_status"],"project_ids":["0bac3fe4-c3dd-54ba-a500-e37599191432"],"kind":"company_disclosure","title":"London Hayes Data Centre Construction Timeline | Data Centre London | Colt DCS","source_url":"https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4/timeline","publisher":"Colt Data Centre Services","source_family":"colt_data_centre_construction_timelines","license":"all-rights-reserved","attribution":"Colt Data Centre Services","published_at":"2023-05-05T10:24:50Z","retrieved_at":"2026-07-19T17:00:24Z","content_hash":"4f4e24a958e8544022e2b39e10d10bc4bd881c647f11ac2ab81765a9ff0e2b5c","publication_date_precision":"datetime","content_hash_scope":"inherited_unspecified","source_record_id":null,"source_local_id":null,"source_record_sha256":null,"site_ids":["vcc-site-b38b02f920b409f27698"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/465b57e0-58b6-56aa-8b00-728b9cc9c201.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/465b57e0-58b6-56aa-8b00-728b9cc9c201.json","archive_url":"https://web.archive.org/web/20260719170024/https://www.coltdatacentres.net/en-GB/our-locations/data-centre-locations-europe/london-4/timeline"},{"evidence_id":"c0b3ca09-1341-5395-9301-9f6a2d67cf0c","roles":["context:geometry_identity","geometry"],"project_ids":["0bac3fe4-c3dd-54ba-a500-e37599191432"],"kind":"openstreetmap","title":"OpenStreetMap way 1495920404: Colt London 4","source_url":"https://www.openstreetmap.org/way/1495920404","publisher":"OpenStreetMap contributors","source_family":"openstreetmap","license":"ODbL-1.0","attribution":"© OpenStreetMap contributors","published_at":"2026-07-31T13:20:32Z","retrieved_at":"2026-08-21T01:21:08Z","content_hash":"ed7d8e290bb1600dcb013e40b6fcc95ada3aad357b3a0e3083008301b0ed1b09","publication_date_precision":"datetime","content_hash_scope":"inherited_unspecified","source_record_id":null,"source_local_id":null,"source_record_sha256":null,"site_ids":["vcc-site-b38b02f920b409f27698"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/c0b3ca09-1341-5395-9301-9f6a2d67cf0c.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/c0b3ca09-1341-5395-9301-9f6a2d67cf0c.json","archive_url":"https://web.archive.org/web/20260821012108/https://www.openstreetmap.org/way/1495920404"}],"links":{"html":"https://kiankyars.github.io/datacenter-atlas/sites/vcc-site-b38b02f920b409f27698/","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-b38b02f920b409f27698.geojson","explorer":"https://kiankyars.github.io/datacenter-atlas/#site=vcc-site-b38b02f920b409f27698","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"}}
