{
 "id": "GB-LND-HAYES-ARK-UNIONPARK-EC3",
 "country": "United Kingdom",
 "municipality": "Hayes (Union Park)",
 "operator": "Ark Data Centres Limited",
 "stage": "Environmental permit granted",
 "filing_date": "2025-10-06",
 "it_mw": null,
 "grid_mw": null,
 "backup_generators": 12,
 "thermal_mw": 96.12,
 "engine_makes": "",
 "source_authority": "Environment Agency",
 "source_url": "https://assets.publishing.service.gov.uk/media/68e64d9649e17d00a56fff0e/Application_Bespoke_A001_Decision_Document_-_03102025.pdf"
}