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Graph of the Day: South Australia’s shifting fuel mix

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Today’s chart is a simple illustration of shifts in the fuel mix so far – interestingly, after a low-wind month in June, July’s high wind output means very little reliance on Victorian imports and lower exposure to high-priced gas in SA.

This illustrates the advantages of wind power but it also shows the un-realised further benefits of firmed wind power – once you start dispatching low-cost resource, it’ll reduce reliance on Victoria, add grid stability and also, quite importantly, reduce the amount of gas being dispatched in the state, resulting in (presumably) lower prices.

Click on ‘Full Screen’ to view full graph.

Author: Ketan Joshi. Reproduced with permission.  

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  • GlennM

    Sometimes Capitalism works…Provide cheap wind and the others magically disappear.

  • Just_Chris

    I think there may be more at play with the change in the levels of imports than just the availability of wind. The drop in net imports coincides too neatly with the beginning of the new financial year for my liking. Is this change related to some of the new SA energy plan rules? Initially there was a target to source 35% (from memory) of dispatchable power from within SA. Is that what is driving this? I know there have been some delays to some rules but haven’t been following it closely enough to say anything intelligent on the subject. It will be interesting to see what the graph looks like in a few months time.