AEMO has prepared this report to provide energy market participants and governments with information on the market dynamics, trends and outcomes during Q4 2021 (1 October to 31 December 2021). This quarterly report compares results for the quarter against other recent quarters, focusing on Q3 2021 and Q4 2020. Geographically, the report covers:

• The National Electricity Market (Queensland, New South Wales, the Australian Capital Territory, Victoria, South Australia and Tasmania)
• The Wholesale Electricity Market and domestic gas supply arrangements operating in Western Australia.
• The gas markets operating in Queensland, New South Wales, Victoria and South Australia.