First Spike in Demand this Winter As Temperatures Plunge

The following snapshot from NEM-Watch v8 (captured automatically through a Local Alarm we have set up on a display machine in our office) highlights how demand rose above 32,000MW for the first time this winter (to 32,029MW at 18:00).

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In particular from this diagram, see (by the relative colour-coding) how the demand in both the NSW and Tasmanian regions was relatively high, compared with the all-time maximums for these regions.

We see that the NEM-Wide Instantaneous Reserve Plant Margin (IRPM) was 18% at the time, which (in comparison with the low levels experienced in winter 2007) was still very comfortable for the market – however we note that the prices had climbed in all regions (perhaps indicating the re-introduction of the “Economic Withholding of Capacity” we first noted for winter 2002, and which has been a consistent feature of winters since then).

About the Author

Paul McArdle
One of three founders of Global-Roam back in 2000, Paul has been CEO of the company since that time. As an author on WattClarity, Paul's focus has been to help make the electricity market more understandable.

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