Welcome to the February 2018 issue of the NEEA Electricity Update, the companion publication to the National Energy Emissions Audit Report. The Electricity Update presents data on electricity demand, electricity supply, and electricity generation emissions in the National Electricity Market (NEM). This month’s issue covers data to the end of January 2018.

Each issue of Electricity Update contains a more detailed discussion of one or two particular issues relating to the electricity system.

In this issue, we provide some general background information on how the mix of generation types in each of the five state regions of the NEM has changed over the past ten years, highlighting the both the similarities and differences between states. A graph illustrating how the Hornsdale “big battery”, in South Australia, is being used to “time shift” wind generation from periods of low demand and low price to later times of high demand and price is also presented.

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