Monitoring performance and analysing trends

The AER monitors the performance of wholesale electricity and gas markets and publishes data in reports such as the State of the energy market and the Wholesale markets quarterly.

On this page you can view and download individual charts and data tables from our most recent market performance reports. 

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Day Ahead Auction - Participants Trading

Chart
Gas
The number of participants each month that have won capacity on pipelines and compressors through the Day Ahead Auction (DAA).
Wholesale

Day Ahead Auction - Quantities won at auction

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Gas
The quantities of gas transportation capacity won through the Day Ahead Auction (DAA). Quantities shown are the sum of auction products allocated on the facilities and do not necessarily represent the physical volumes of gas actually flowed for each gas day. Capacity is displayed by date of delivery (gas day).
Wholesale

Day Ahead Auction - Number of trades

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Gas
The number of trades occurring at each auction facility on the Day Ahead Auction (DAA). Capacity is displayed by date of delivery (gas day).
Wholesale

Day Ahead Auction - Range of non-zero prices traded

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Gas
The price range of capacity won through the Day Ahead Auction (DAA) above (not including) the $0 reserve price, by facility. Capacity is displayed by date of delivery (gas day).
Wholesale

Day Ahead Auction - Proportion of $0 quantities

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Gas
The proportion of capacity (%) won at the $0 reserve price through the Day Ahead Auction (DAA). Capacity proportions are displayed by date of delivery (gas day).
Wholesale

Gas Supply Hub bid-offer spread metric (WAL)

Chart
Gas
Wallumbilla in Queensland is a major gas supply hub. As a pipeline interconnection point for the Surat-Bowen Basin, it links gas markets in Queensland, South Australia, New South Wales and Victoria.
Wholesale