{"links": [{"rel": "self", "href": "https://ukpowernetworks.opendatasoft.com/api/v2/catalog/datasets/ukpn-secondary-site-utilisation"}, {"rel": "datasets", "href": "https://ukpowernetworks.opendatasoft.com/api/v2/catalog/datasets"}, {"rel": "attachments", "href": "https://ukpowernetworks.opendatasoft.com/api/v2/catalog/datasets/ukpn-secondary-site-utilisation/attachments"}, {"rel": "reuses", "href": "https://ukpowernetworks.opendatasoft.com/api/v2/catalog/datasets/ukpn-secondary-site-utilisation/reuses"}, {"rel": "static_exports", "href": "https://ukpowernetworks.opendatasoft.com/api/v2/catalog/datasets/ukpn-secondary-site-utilisation/static_exports"}], "dataset": {"visibility": "domain", "dataset_id": "ukpn-secondary-site-utilisation", "dataset_uid": "da_52mrwo", "has_records": true, "features": ["analyze"], "attachments": [{"id": "data_triage_secondary_site_utilisationxlsx", "title": "Data Triage - Secondary Site Utilisation.xlsx", "mimetype": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "url": "https://ukpowernetworks.opendatasoft.com/api/v2/catalog/datasets/ukpn-secondary-site-utilisation/attachments/data_triage_secondary_site_utilisationxlsx"}], "alternative_exports": [], "data_visible": false, "fields": [{"name": "functionallocation", "description": null, "annotations": {}, "label": "Functional Location", "type": "text"}, {"name": "utilisation_band", "description": null, "annotations": {}, "label": "Utilisation Band", "type": "text"}, {"name": "predicted_year_of_reinforcement", "description": null, "annotations": {}, "label": "Predicted year of reinforcement", "type": "text"}, {"name": "source", "description": "This column indicated whether the data was sourced from physical monitoring or modelling powered by real-time data from monitoring, smart meter data and third-party data.", "annotations": {}, "label": "Source", "type": "text"}], "metas": {"dcat": {"created": null, "issued": null, "creator": null, "contributor": null, "contact_name": null, "contact_email": null, "accrualperiodicity": null, "spatial": null, "temporal": null, "granularity": null, "dataquality": null, "publisher_type": null, "conforms_to": null, "temporal_coverage_start": null, "temporal_coverage_end": null, "accessRights": null, "relation": null}, "inspire": {"theme": null, "type": null, "file_identifier": null, "hierarchy_level": null, "hierarchy_level_name": null, "spatial_resolution": null, "topologic_consistency": null, "contact_individual_name": null, "contact_position": null, "contact_address": null, "contact_email": null, "identification_purpose": null, "extend_description": null, "extend_bounding_box_westbound_longitude": null, "extend_bounding_box_eastbound_longitude": null, "extend_bounding_box_southbound_latitude": null, "extend_bounding_box_northbound_latitude": null}, "default": {"title": "UK Power Networks Secondary Site Utilisation", "description": "<h2 class=\"\">Introduction</h2><p class=\"MsoNormal\">This dataset shows the utilisation band of our secondary sites across our three networks, over 1 April 2024 to 31 March 2025. </p><p class=\"MsoNormal\">This dataset is a redacted version of an annual regulatory submission to Ofgem. The data consists of a single utilisation value over a year for each of UK Power Networks secondary substation. This dataset is redacted in that any secondary sites with five or less customers will not be included to protect privacy. </p><p class=\"MsoNormal\">This dataset is a mixture of actual utilisation data and analytics based on transformer profile. The utilisation bands do not indicate contractually committed capacity e.g. capacity on our network may be unused now but expected to be used by a connection in a future year, recent acceptances which will be covered in next year's data.</p><p class=\"MsoNormal\"><span style=\"font-family: inherit; font-size: 0.875rem;\">If you notice any errors, please let us know by feedbacking against the record\nin the table tab.</span></p>\n\n\n<h2>Methodological Approach</h2>\n<p>UK Power Networks worked with other DNOs and the Energy Networks Association (ENA), to agree a methodology to calculating transformer utilisation.\n</p>\n\n<p>It considered the following:</p>\n<ul>\n<li>Transformer rating;</li>\n<li>Current peak loading;</li>\n<li>Year demand growth;</li>\n<li>Year ahead peak demand; and</li>\n<li>Utilisation calculation.</li>\n</ul>\n\n\n<h2>Quality Control Statement</h2>\n<p>This dataset is provided \"as is\".</p>\n\n<h2> Assurance Statement</h2>\n<p>The Open Data Team and DSO Network Strategy Team worked to ensure data accuracy and consistency.</p>\n\n<h2>Other</h2>\n<p>Download dataset information: <a href=\"https://ukpowernetworks.opendatasoft.com/explore/dataset/domain-dataset0/download/?format=json&amp;refine.identifier=ukpn-secondary-site-utilisation\">Metadata (JSON)</a></p>\n\n\n<p>Definitions of key terms related to this dataset can be found in the Open Data Portal Glossary: <a href=\"https://ukpowernetworks.opendatasoft.com/pages/glossary/\" target=\"_blank\">https://ukpowernetworks.opendatasoft.com/pages/glossary/</a><a href=\"https://ukpowernetworks.opendatasoft.com/pages/glossary/\" target=\"_blank\"></a></p><p>To view this data please register and login.</p>", "theme": ["Network Usage"], "keyword": null, "license": "CC BY 4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "language": "en", "metadata_languages": ["en"], "timezone": null, "modified": "2025-11-27T14:19:20.466000+00:00", "modified_updates_on_metadata_change": true, "modified_updates_on_data_change": true, "data_processed": "2025-11-21T10:50:34.964000+00:00", "metadata_processed": "2025-11-27T14:19:51.107000+00:00", "geographic_reference": null, "geographic_reference_auto": false, "territory": null, "geometry_types": null, "bbox": null, "publisher": "UK Power Networks, Company number 3870728", "references": null, "records_count": 116883, "attributions": null, "source_domain": null, "source_domain_title": null, "source_domain_address": null, "source_dataset": null, "shared_catalog": null, "federated": false, "parent_domain": null, "update_frequency": ["ANNUAL"]}, "dublin-core": {"title": "UK Power Networks Secondary Site Utilisation", "alternative": null, "subject": ["Demand", "Headroom", "Transformers", "Low Voltage (LV)", "Secondary Substation"], "description": "<h2 class=\"\">Introduction</h2><p class=\"MsoNormal\">This dataset shows the utilisation band of our secondary sites across our three networks, over 1 April 2024 to 31 March 2025. </p><p class=\"MsoNormal\">This dataset is a redacted version of an annual regulatory submission to Ofgem. The data consists of a single utilisation value over a year for each of UK Power Networks secondary substation. This dataset is redacted in that any secondary sites with five or less customers will not be included to protect privacy. </p><p class=\"MsoNormal\">This dataset is a mixture of actual utilisation data and analytics based on transformer profile. The utilisation bands do not indicate contractually committed capacity e.g. capacity on our network may be unused now but expected to be used by a connection in a future year, recent acceptances which will be covered in next year's data.</p><p class=\"MsoNormal\"><span style=\"font-family: inherit; font-size: 0.875rem;\">If you notice any errors, please let us know by feedbacking against the record\nin the table tab.</span></p>\n\n\n<h2>Methodological Approach</h2>\n<p>UK Power Networks worked with other DNOs and the Energy Networks Association (ENA), to agree a methodology to calculating transformer utilisation.\n</p>\n\n<p>It considered the following:</p>\n<ul>\n<li>Transformer rating;</li>\n<li>Current peak loading;</li>\n<li>Year demand growth;</li>\n<li>Year ahead peak demand; and</li>\n<li>Utilisation calculation.</li>\n</ul>\n\n\n<h2>Quality Control Statement</h2>\n<p>This dataset is provided \"as is\".</p>\n\n<h2> Assurance Statement</h2>\n<p>The Open Data Team and DSO Network Strategy Team worked to ensure data accuracy and consistency.</p>\n\n<h2>Other</h2>\n<p>Download dataset information: <a href=\"https://ukpowernetworks.opendatasoft.com/explore/dataset/domain-dataset0/download/?format=json&amp;refine.identifier=ukpn-secondary-site-utilisation\">Metadata (JSON)</a></p>\n\n\n<p>Definitions of key terms related to this dataset can be found in the Open Data Portal Glossary: <a href=\"https://ukpowernetworks.opendatasoft.com/pages/glossary/\" target=\"_blank\">https://ukpowernetworks.opendatasoft.com/pages/glossary/</a><a href=\"https://ukpowernetworks.opendatasoft.com/pages/glossary/\" target=\"_blank\"></a></p><p>To view this data please register and login.</p>", "abstract": null, "tableOfContent": null, "type": ["Dataset"], "language": ["eng"], "coverage": ["EPN= Eastern Power Networks", "LPN= London Power Networks", "SPN= South Eastern Power Networks"], "spatial": "EPN = Eastern Power Networks; SPN = South Eastern Power Networks; LPN = London Power Networks", "temporal_start": "2024-03-31T23:00:00+00:00", "temporal_end": "2025-03-31T22:59:59+00:00", "relation": "https://ukpowernetworks.opendatasoft.com/explore/dataset/ukpn-secondary-sites/information/?disjunctive.substationdesign&disjunctive.substationvoltage", "source": "https://ukpowernetworks.opendatasoft.com/", "replaces": null, "references": null, "requires": null, "conformsTo": null, "hasFormat": null, "hasPart": null, "hasVersion": null, "isFormatOf": null, "isPartOf": null, "isVersionOf": null, "isReferencedBy": null, "isReplacedBy": null, "isRequiredBy": null, "contributor": null, "creator": "UK Power Networks, Company number 3870728", "publisher": "UK Power Networks, Company number 3870728", "rights": null, "accessRights": ["Open"], "license": "CC BY 4.0", "date_start": null, "date_end": null, "available_start": null, "available_end": null, "created": null, "dateAccepted": null, "dateCopyrighted": null, "dateSubmitted": null, "issued": "2024-04-18T00:00:00+00:00", "modified": "2025-11-27T14:19:20.466000+00:00", "valid_start": null, "valid_end": null, "format": ["application/json", "application/vnd.ms-excel", "text/csv"], "extent": null, "medium": null, "identifier": null, "bibliographicCitation": null, "rightsHolder": null, "accrualMethod": null, "accrualPeriodicity": null, "accrualPolicy": null, "audience": null, "educationLevel": null, "instructionalMethod": null, "mediator": null, "provenance": null}}}}