The National Energy Emissions Audit is usually published on a quarterly basis, in September, December, March and June each year, with data to the end of the preceding quarter, though this quarter the report has been delayed by one month.

Each month, the Electricity Update of the Emissions Audit is produced, reporting on changes to emissions from electricity generation in the National Electricity Market (NEM), and including commentary on other issues relating to the extraordinarily dramatic changes happening in Australia’s electricity supply system. On overlapping months, the Electricity Update and Emissions Audit are combined.

All emissions data are reported as annual moving averages. This approach removes the impact on the reported data of seasonal changes, which particularly influence electricity and gas consumption. Annualised data will show a month on month increase if the most recent monthly quantity is greater than the quantity in the corresponding month one year previously.

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