{
  "GDB_ID__Full": {
    "metadata": "Version history, updated for each publishing.",
    "fields": [
      {
        "NAME": "Transpower ID Dataset (2015 – 2022)",
        "VERSION": "1",
        "DATE": "2023-05-16",
        "CHANGES": "Published 2022 dataset"
      },
      {
        "NAME": "Transpower ID Dataset(2015 – 2023)",
        "VERSION": "1",
        "DATE": "2024-05-15",
        "CHANGES": "Published 2023 dataset"
      },
      {
        "NAME": "Transpower ID Dataset(2015 – 2024)",
        "VERSION": "1",
        "DATE": "2025-05-13",
        "CHANGES": "Published 2024 dataset"
      },
      {
        "NAME": "Transpower ID Dataset (2013-2025)",
        "VERSION": "2026.06.v1",
        "DATE": "2026-06-25",
        "CHANGES": "Updated with 2025 data. Changed publishing format to multiple output formats with data dictionary and version history in separate files. Added VERSION column. Column name changes: all uppercase, 'Schedule_reference' renamed to 'SCH_REF','Disclosure year' to 'DISC_YR', 'Observation year' to 'OBS_YR', 'Forecast year' to 'FCAST_YR' to match other sectors."
      }
    ]
  }
}