The 871-855 constraint returns


After reduced prevalence over the shoulder months since summer, we see today that the 871-855 constraint in QLD has popped into view again.

See here in a snapshot from ez2viewAustralia (our trader’s interactive 2-screen dashboard) how this constraint has been capping output from generators in the south-west of QLD (the generators with a “+ve” term), whilst acting to support increased output in the north-east (the generators with a “-ve” term):

A view of the 871-855 constraint returned.

(it’s a big 2-screen image, so click on it for a better view)

If you’d like us to explain more about what you see in this image, please give us a call (07 3368 4064)

Traders in the market will recall that the instances of the constraint in QLD were perhaps the only highlight in an otherwise very lacklustre summer 2011-12.  At that time, generator bidding strategies saw prices jump on some occasions when the constraint was bound.

With prices already having gone through a step-change with the carbon tax, what does this mean for the coming weeks and months?

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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