Live Price Data from the National Electricity Market

Australia's National Electricity Market (NEM) is an electricity-only gross pool. This means that all generators across the network sell into the same "spot" market, ensuring that supply and demand  balance over very short time periods.

The NEM consists of several regional markets. Prices in each market are set every five minutes. Participating generators receive the average price over the thirty minute dispatch interval in their respective regions.

The regions are connected by transmission lines. These transmission lines help diversify the network and increase system security. The transmission lines have capacity limitations, meaning that prices in regional markets can diverge.

The data feed and infographic below is hosted by the Australian Energy Market Operator (AEMO). It updates every five minutes to show the dispatch price, the regional demand, and the regional supply. The icons show the inter-region flow of electricity during the interval.

The table at the bottom of the infographic also shows the prices of the various Frequency Control Ancillary Services (FCAS) markets in each region. FCAS markets contribute to the reliability of the electricity grid over short time periods.

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