{"package":"HISTORICAL TABLES","pdr_config":{"mappings":[{"REPORT_NAME":"TRADING","REPORT_SUB_TYPE":"REGIONSUM","VERSION":4}],"transaction_type":"INSERT"},"documentation_urls":["https://nemweb.com.au/Reports/Current/MMSDataModelReport/Electricity/ElectricityDataModelReport_files/Elec65.htm#1251","https://nemweb.com.au/Reports/Current/MMSDataModelReport/Electricity/ElectricityDataModelReport_files/Elec65_1.htm"],"comment":"TRADINGREGIONSUM sets out the half-hourly average regional demand and frequency control services. 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