{"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-bcb0361cec82a4bf1063","physical_site_stable_key":"curated:green-mountain-lon-east-romford-campus","name":"Green Mountain LON-East data centre campus (Romford North Data Centre), King George Close, Romford (Havering)","country":"United Kingdom","country_iso_a2":"GB","latitude":51.587017,"longitude":0.167675,"geometry":{"coordinates":[0.167675,51.587017],"type":"Point"},"geometry_type":"Point","geometry_source_entity_kinds":["campus"],"geometry_derivations":["direct_geometry"],"geometry_methods":["environment_agency_public_register_published_site_latitude_longitude_for_permit_EPR_FP3630EU"],"geometry_scope_classes":["environmental_permit_register_site_location"],"geometry_authority_classes":["official_source"],"geometry_use_scopes":["campus_locator"],"geometry_precision_scopes":["Site location published by the Environment Agency's installations register for permit EPR/FP3630EU (holder Green Mountain DC UK Limited, 'Romford North Data Centre, Unit 3 King George close, Romford, RM7 7PN'): grid reference TQ5027089800, latitude 51.587017, longitude 0.167675, copied without transformation. It lies inside Havering's 3.47 ha planning polygon for the existing data storage facility at 3 King George Close and locates the campus's existing building; it is not a building outline or surveyed position."],"horizontal_uncertainty_metres":null,"horizontal_uncertainty_unknown_reason":"The register publishes no positional accuracy; the point lies inside the 3.47 ha existing-facility planning polygon, and the 14 MW data halls occupy part of the existing building around it, not a separately located structure.","geometry_evidence_ids":["bedfc130-f355-501e-9f12-b4285ba7824f"],"project_count":1,"project_ids":["3dfc53ca-e0ad-5697-8870-c1637056840f"],"project_stable_keys":["curated:green-mountain-lon-east-romford-campus:14mw-ai-ready-capacity"],"statuses":["completed"],"oldest_status_as_of":"2026-09-01","newest_status_as_of":"2026-09-01","verification_posture":"authoritative_physical_observation_plus_reviewed_site_locator","independent_imagery_verification":false,"imagery_review_outcomes":["not_reviewed"],"official_boundary":false,"country_slug":"gb","url":"https://kiankyars.github.io/datacenter-atlas/sites/vcc-site-bcb0361cec82a4bf1063/","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/sites/vcc-site-bcb0361cec82a4bf1063.json","geometry_licenses":["Open Government Licence v3.0 (Environment Agency conditional licence as stated in the register metadata)"],"geometry_attributions":["Environment Agency"]},"projects":[{"project_id":"3dfc53ca-e0ad-5697-8870-c1637056840f","project_stable_key":"curated:green-mountain-lon-east-romford-campus:14mw-ai-ready-capacity","site_id":"vcc-site-bcb0361cec82a4bf1063","physical_site_stable_key":"curated:green-mountain-lon-east-romford-campus","name":"Green Mountain LON-East (Romford) - 14 MW AI-ready data-hall expansion inside the existing building (delivered)","country":"United Kingdom","country_iso_a2":"GB","latitude":51.587017,"longitude":0.167675,"geometry":{"coordinates":[0.167675,51.587017],"type":"Point"},"geometry_type":"Point","geometry_source_entity_kind":"campus","geometry_derivation":"direct_geometry","geometry_method":"environment_agency_public_register_published_site_latitude_longitude_for_permit_EPR_FP3630EU","geometry_scope_class":"environmental_permit_register_site_location","geometry_authority_class":"official_source","geometry_use_scope":"campus_locator","geometry_precision_scope":"Site location published by the Environment Agency's installations register for permit EPR/FP3630EU (holder Green Mountain DC UK Limited, 'Romford North Data Centre, Unit 3 King George close, Romford, RM7 7PN'): grid reference TQ5027089800, latitude 51.587017, longitude 0.167675, copied without transformation. It lies inside Havering's 3.47 ha planning polygon for the existing data storage facility at 3 King George Close and locates the campus's existing building; it is not a building outline or surveyed position.","horizontal_uncertainty_metres":null,"horizontal_uncertainty_unknown_reason":"The register publishes no positional accuracy; the point lies inside the 3.47 ha existing-facility planning polygon, and the 14 MW data halls occupy part of the existing building around it, not a separately located structure.","geometry_evidence_id":"bedfc130-f355-501e-9f12-b4285ba7824f","last_observed_physical_status":"completed","status_as_of":"2026-09-01","status_age_days_at_review":56,"status_method":"authoritative_physical_status_update","status_evidence_id":"270c1a58-a570-50d1-9e5f-d821dab2d9b9","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":"270c1a58-a570-50d1-9e5f-d821dab2d9b9","party":"Green Mountain DC UK Limited","relationship_scope":"current","role":"owner"},{"evidence_id":"bedfc130-f355-501e-9f12-b4285ba7824f","party":"Green Mountain DC UK Limited","relationship_scope":"current","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":"Green Mountain DC UK Limited","operator":"Green Mountain DC UK Limited","users":null,"tenants":null,"customers":null,"status_source_url":"https://greenmountain.no/green-mountain-global-signs-contract-with-major-neocloud-operator-at-lon-east-campus/","geometry_source_url":"https://environment.data.gov.uk/public-register/industrial-installations/registration/EPR-FP3630EU.json","project_details":[],"evidence_ids":["0ee96ac0-ee5c-5fb1-b833-b5c9d8b6b7d3","270c1a58-a570-50d1-9e5f-d821dab2d9b9","6f4dfd72-fb2d-5136-a481-99b29bae571c","a288676c-56f1-5c58-a1e8-f7894728577a","af1dd890-f80c-5a8c-b3a8-caecc2aa5773","bc1e0b0b-21ab-5f57-99c2-94d87f08f6e8","bedfc130-f355-501e-9f12-b4285ba7824f","c25ef05e-07eb-5e5b-9e07-b90217df148a"],"status_source":{"evidence_id":"270c1a58-a570-50d1-9e5f-d821dab2d9b9","title":"Green Mountain: 'Green Mountain Global Signs Contract with Major Neocloud Operator at LON-East Campus' (press release, 1 September 2026)","publisher":"Green Mountain (Green Mountain AS / Green Mountain DC UK Limited)","kind":"company_disclosure","published_at":"2026-09-01","source_url":"https://greenmountain.no/green-mountain-global-signs-contract-with-major-neocloud-operator-at-lon-east-campus/","license":"all-rights-reserved (operator press release)","attribution":"Green Mountain"},"url":"https://kiankyars.github.io/datacenter-atlas/sites/vcc-site-bcb0361cec82a4bf1063/#project-3dfc53ca-e0ad-5697-8870-c1637056840f","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/projects/3dfc53ca-e0ad-5697-8870-c1637056840f.json","geometry_source":{"evidence_id":"bedfc130-f355-501e-9f12-b4285ba7824f","title":"Environment Agency public register (Environmental Permitting Regulations - Installations for England): registration EPR/FP3630EU, Green Mountain DC UK Limited, Romford North Data Centre, Unit 3 King George Close, Romford RM7 7PN","publisher":"Environment Agency","kind":"government_record","published_at":null,"source_url":"https://environment.data.gov.uk/public-register/industrial-installations/registration/EPR-FP3630EU.json","license":"Open Government Licence v3.0 (Environment Agency conditional licence as stated in the register metadata)","attribution":"Environment Agency"}}],"evidence":[{"evidence_id":"c25ef05e-07eb-5e5b-9e07-b90217df148a","roles":["context:identity"],"project_ids":["3dfc53ca-e0ad-5697-8870-c1637056840f"],"kind":"government_record","title":"Environment Agency Compliance Assessment Report FP3630EU/0598676: site inspection at Romford North Data Centre (Green Mountain DC UK Limited), 29 April 2026, issued 7 May 2026","source_url":"https://environment.data.gov.uk/public-register/documents/installations/compliance/EPR_FP3630EU/EPR-FP3630EU_SI_0598676_20260507.pdf","publisher":"Environment Agency","source_family":"uk-england-p5-green-mountain-lon-east-romford","license":"Open Government Licence v3.0 (Environment Agency public register document)","attribution":"Environment Agency","published_at":"2026-05-07","retrieved_at":"2026-10-27T05:24:39.855Z","content_hash":"08ca923230ade98b543af9d9ee92021e0832863a34873f00c706700453893677","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-bcb0361cec82a4bf1063"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/c25ef05e-07eb-5e5b-9e07-b90217df148a.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/c25ef05e-07eb-5e5b-9e07-b90217df148a.json","archive_url":"https://web.archive.org/web/20261027052439/https://environment.data.gov.uk/public-register/documents/installations/compliance/EPR_FP3630EU/EPR-FP3630EU_SI_0598676_20260507.pdf"},{"evidence_id":"bedfc130-f355-501e-9f12-b4285ba7824f","roles":["geometry","role:operator"],"project_ids":["3dfc53ca-e0ad-5697-8870-c1637056840f"],"kind":"government_record","title":"Environment Agency public register (Environmental Permitting Regulations - Installations for England): registration EPR/FP3630EU, Green Mountain DC UK Limited, Romford North Data Centre, Unit 3 King George Close, Romford RM7 7PN","source_url":"https://environment.data.gov.uk/public-register/industrial-installations/registration/EPR-FP3630EU.json","publisher":"Environment Agency","source_family":"uk-england-p5-green-mountain-lon-east-romford","license":"Open Government Licence v3.0 (Environment Agency conditional licence as stated in the register metadata)","attribution":"Environment Agency","published_at":null,"retrieved_at":"2026-10-27T05:18:10.550Z","content_hash":"ae3656b317dacea52004c97086f663c9b31b5e201efdc9c7a73a932048ec5151","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-bcb0361cec82a4bf1063"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/bedfc130-f355-501e-9f12-b4285ba7824f.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/bedfc130-f355-501e-9f12-b4285ba7824f.json","archive_url":"https://web.archive.org/web/20261027051810/https://environment.data.gov.uk/public-register/industrial-installations/registration/EPR-FP3630EU.json"},{"evidence_id":"0ee96ac0-ee5c-5fb1-b833-b5c9d8b6b7d3","roles":["context:identity"],"project_ids":["3dfc53ca-e0ad-5697-8870-c1637056840f"],"kind":"company_disclosure","title":"Green Mountain: 'Green Mountain breaks ground on new data centre expansion in London' (8 December 2023)","source_url":"https://greenmountain.no/green-mountain-breaks-ground-on-new-data-centre-expansion-in-london/","publisher":"Green Mountain (Green Mountain AS)","source_family":"uk-england-p5-green-mountain-lon-east-romford","license":"all-rights-reserved (operator website)","attribution":"Green Mountain","published_at":"2023-12-08","retrieved_at":"2026-10-27T05:18:26.346Z","content_hash":"6ecaf7080721075b9c433c9e02ac99df462bcbfc30f74c261969b40ef70b71f7","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-bcb0361cec82a4bf1063"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/0ee96ac0-ee5c-5fb1-b833-b5c9d8b6b7d3.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/0ee96ac0-ee5c-5fb1-b833-b5c9d8b6b7d3.json","archive_url":"https://web.archive.org/web/20261027051826/https://greenmountain.no/green-mountain-breaks-ground-on-new-data-centre-expansion-in-london/"},{"evidence_id":"270c1a58-a570-50d1-9e5f-d821dab2d9b9","roles":["physical_status","role:owner"],"project_ids":["3dfc53ca-e0ad-5697-8870-c1637056840f"],"kind":"company_disclosure","title":"Green Mountain: 'Green Mountain Global Signs Contract with Major Neocloud Operator at LON-East Campus' (press release, 1 September 2026)","source_url":"https://greenmountain.no/green-mountain-global-signs-contract-with-major-neocloud-operator-at-lon-east-campus/","publisher":"Green Mountain (Green Mountain AS / Green Mountain DC UK Limited)","source_family":"uk-england-p5-green-mountain-lon-east-romford","license":"all-rights-reserved (operator press release)","attribution":"Green Mountain","published_at":"2026-09-01","retrieved_at":"2026-10-27T05:17:23.184Z","content_hash":"616a5b818f60be20ac071d875eb423453aeea05b3bdabf0c63ef277c90af141a","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-bcb0361cec82a4bf1063"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/270c1a58-a570-50d1-9e5f-d821dab2d9b9.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/270c1a58-a570-50d1-9e5f-d821dab2d9b9.json","archive_url":"https://web.archive.org/web/20261027051723/https://greenmountain.no/green-mountain-global-signs-contract-with-major-neocloud-operator-at-lon-east-campus/"},{"evidence_id":"6f4dfd72-fb2d-5136-a481-99b29bae571c","roles":["context:identity"],"project_ids":["3dfc53ca-e0ad-5697-8870-c1637056840f"],"kind":"company_disclosure","title":"Green Mountain: 'Green Mountain UK acquires freehold of Romford data center campus' (8 June 2026)","source_url":"https://greenmountain.no/green-mountain-romford-data-centre-acquisition/","publisher":"Green Mountain (Green Mountain AS / Green Mountain DC UK Limited)","source_family":"uk-england-p5-green-mountain-lon-east-romford","license":"all-rights-reserved (operator website)","attribution":"Green Mountain","published_at":"2026-06-08","retrieved_at":"2026-10-27T05:17:25.746Z","content_hash":"57fa80414a9251596a9963a43fdfd5b100a1b8f5f41a948280581e92bd841205","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-bcb0361cec82a4bf1063"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/6f4dfd72-fb2d-5136-a481-99b29bae571c.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/6f4dfd72-fb2d-5136-a481-99b29bae571c.json","archive_url":"https://web.archive.org/web/20261027051725/https://greenmountain.no/green-mountain-romford-data-centre-acquisition/"},{"evidence_id":"a288676c-56f1-5c58-a1e8-f7894728577a","roles":["context:identity"],"project_ids":["3dfc53ca-e0ad-5697-8870-c1637056840f"],"kind":"operator_website","title":"Green Mountain: LON-East data center location page","source_url":"https://greenmountain.no/data-center/lon-east/","publisher":"Green Mountain (Green Mountain AS)","source_family":"uk-england-p5-green-mountain-lon-east-romford","license":"all-rights-reserved (operator website)","attribution":"Green Mountain","published_at":null,"retrieved_at":"2026-10-27T05:17:24.451Z","content_hash":"4409dd0f6d0fe24a8a994083e02b2e5701dc211e968f8fd96b8c5b3f70fceb0d","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-bcb0361cec82a4bf1063"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/a288676c-56f1-5c58-a1e8-f7894728577a.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/a288676c-56f1-5c58-a1e8-f7894728577a.json","archive_url":"https://web.archive.org/web/20261027051724/https://greenmountain.no/data-center/lon-east/"},{"evidence_id":"af1dd890-f80c-5a8c-b3a8-caecc2aa5773","roles":["context:identity"],"project_ids":["3dfc53ca-e0ad-5697-8870-c1637056840f"],"kind":"government_record","title":"London Planning Datahub (Greater London Authority): Havering application P1029.26, variation of conditions of P0614.20 (new data storage warehouse and emergency energy centre), 5 King George Close, Romford RM7 7PS","source_url":"https://planningdata.london.gov.uk/api-guest/applications/_source/Havering-P1029.26","publisher":"Greater London Authority (London Planning Datahub; records supplied by the London Borough of Havering)","source_family":"uk-england-p5-green-mountain-lon-east-romford","license":"not stated by the API (London Planning Datahub public data)","attribution":"Greater London Authority, London Planning Datahub; London Borough of Havering","published_at":null,"retrieved_at":"2026-10-27T05:22:19.437Z","content_hash":"e0be72c770d605d10b153501c4cee74af5f93c36ab435d909b09941dab5d4999","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-bcb0361cec82a4bf1063"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/af1dd890-f80c-5a8c-b3a8-caecc2aa5773.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/af1dd890-f80c-5a8c-b3a8-caecc2aa5773.json","archive_url":"https://web.archive.org/web/20261027052219/https://planningdata.london.gov.uk/api-guest/applications/_source/Havering-P1029.26"},{"evidence_id":"bc1e0b0b-21ab-5f57-99c2-94d87f08f6e8","roles":["context:identity"],"project_ids":["3dfc53ca-e0ad-5697-8870-c1637056840f"],"kind":"government_record","title":"London Planning Datahub (Greater London Authority): Havering planning permission P1238.23, external fin wall to the front of the existing data storage facility, 3 King George Close, Romford RM7 7PN","source_url":"https://planningdata.london.gov.uk/api-guest/applications/_source/Havering-P1238.23","publisher":"Greater London Authority (London Planning Datahub; records supplied by the London Borough of Havering)","source_family":"uk-england-p5-green-mountain-lon-east-romford","license":"not stated by the API (London Planning Datahub public data)","attribution":"Greater London Authority, London Planning Datahub; London Borough of Havering","published_at":null,"retrieved_at":"2026-10-27T05:22:18.204Z","content_hash":"a0e0598929cd4105798f2331da954eb8ff70e59c0429e991dd7a5daaf2848415","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-bcb0361cec82a4bf1063"],"url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/bc1e0b0b-21ab-5f57-99c2-94d87f08f6e8.json","api_url":"https://kiankyars.github.io/datacenter-atlas/api/v1/evidence/bc1e0b0b-21ab-5f57-99c2-94d87f08f6e8.json","archive_url":"https://web.archive.org/web/20261027052218/https://planningdata.london.gov.uk/api-guest/applications/_source/Havering-P1238.23"}],"links":{"html":"https://kiankyars.github.io/datacenter-atlas/sites/vcc-site-bcb0361cec82a4bf1063/","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-bcb0361cec82a4bf1063.geojson","explorer":"https://kiankyars.github.io/datacenter-atlas/#site=vcc-site-bcb0361cec82a4bf1063","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"}}