{"schemaVersion":1,"version":"enwl-distribution-tx-20261025-v1","source":{"datasetId":"sp-enw-capacity-distribution-tx","publisher":"SP Electricity North West","datasetUrl":"https://electricitynorthwest.opendatasoft.com/explore/dataset/sp-enw-capacity-distribution-tx/information/","capturedAt":"2026-10-25T04:17:30.046924+00:00","dataProcessedAt":"2026-03-24T14:48:03Z","metadataProcessedAt":"2026-05-01T13:27:55.568Z","publisherDate":"2025-08-28","originalPublicationDate":null,"recordRevisionDates":null,"observationPeriod":null,"declaredCadence":"Annual","servingCadence":"By edition","collectorScheduled":false,"rawSha256":"f5a7e3c0dec768d0bbefd7e2ab74c7e6d0c6a09e9a882b038d20f5e870ab10ac","rawBytes":35274242,"licence":"CC BY 4.0","licenceUrl":"https://creativecommons.org/licenses/by/4.0/","attribution":"SP Electricity North West; DSO Data Integration; Office for National Statistics licensed under the Open Government Licence v.3.0 Contains OS data © Crown copyright and database right [2019-]","modifications":"Frozen export, identity and completeness classification, numeric lexemes retained as strings in normalized exports, search and quality flags added. No endorsement by the source organisations is implied."},"observationPeriod":null,"grain":"One source row; only non-null distribution_tx_number identifies a transformer. 16,947 rating-only rows have no asset identity.","coverage":{"sourceRows":50145,"identifiedTransformers":33198,"ratingOnlyRows":16947,"inScopeTableRows":33195,"inScopeMappableRows":33178,"unlocatedKeyedRows":17,"voltageExceptions":3,"uniqueDistributionNumbers":32816,"negativeLoads":46,"extremeUtilisation":9},"fields":[{"name":"geo_point_2d","description":null,"annotations":{},"label":"Geo Point","type":"geo_point_2d"},{"name":"geo_shape","description":null,"annotations":{},"label":"Geo Shape","type":"geo_shape"},{"name":"distribution_number","description":null,"annotations":{},"label":"DISTRIBUTION NUMBER","type":"text"},{"name":"voltage_kv","description":null,"annotations":{},"label":"VOLTAGE (kV)","type":"text"},{"name":"distribution_tx_number","description":null,"annotations":{},"label":"DISTRIBUTION TX NUMBER","type":"text"},{"name":"distribution_tx_rating_kva","description":null,"annotations":{},"label":"DISTRIBUTION TX RATING (kVA)","type":"text"},{"name":"distribution_tx_load_kva","description":null,"annotations":{"unit":"kVA"},"label":"DISTRIBUTION TX LOAD (kVA)","type":"double"},{"name":"distribution_tx_generation_kva","description":null,"annotations":{"unit":"kVA"},"label":"DISTRIBUTION TX GENERATION (kVA)","type":"double"},{"name":"distribution_tx_utilisation","description":null,"annotations":{"unit":"%"},"label":"DISTRIBUTION TX UTILISATION (%)","type":"double"},{"name":"distribution_tx_demand_headroom_kva","description":null,"annotations":{"unit":"kVA"},"label":"DISTRIBUTION TX DEMAND HEADROOM (kVA)","type":"double"},{"name":"distribution_tx_generation_headroom_kva","description":null,"annotations":{"unit":"kVA"},"label":"DISTRIBUTION TX GENERATION HEADROOM (kVA)","type":"double"},{"name":"distribution_tx_load_source","description":null,"annotations":{},"label":"DISTRIBUTION TX LOAD SOURCE","type":"text"},{"name":"primary_number","description":null,"annotations":{},"label":"PRIMARY NUMBER","type":"text"},{"name":"primary_feeder","description":null,"annotations":{},"label":"PRIMARY FEEDER","type":"text"},{"name":"distribution_tx_utilisation_category","description":null,"annotations":{},"label":"DISTRIBUTION TX UTILISATION CATEGORY","type":"text"},{"name":"local_authority","description":null,"annotations":{},"label":"LOCAL AUTHORITY","type":"text"}],"numericRepresentation":"Normalized JSON numeric tokens are exact decimal strings; null stays null. Source response preserves original types and bytes.","primaryKey":"edition + non-null distribution_tx_number; no key invented for incomplete rows","units":{"apparentPower":"kVA","utilisation":"%"},"aggregation":"No additive connection-capacity totals; demand and generation are separate."}