Tag Archives: transmission constraints

Article: Reduced exports contributed to reduced prices

Reduced export capability over QNI south contributed to the low prices seen last week.

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Article: No, these were not spurious price spikes in Queensland today

Some quick observations about the patterns of volatility seen this week in Queensland

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Article: Even Colongra gets a run as high temperatures stretch local supplies in NSW

High temperatures passing through NSW provided the opportunity for the Colongra gas-fired power station to shake off the cobwebs and have a run for the day.

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Article: Two evening price spikes send jitters …

The dispatch price in Queensland spiked to $1,500/MWh at 18:25 and again at 22:40 yesterday evening – triggering jitters in some who fear a return to the volatility of summer 2013.

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Article: Updated animation of 20th December 2012 – a volatile day in the Queensland Region

An updated animation of 20th December 2012 focused on the Queensland region – a volatile day for that region.

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Article: Animation of several hours over the evening of Saturday 12th January 2013 in Queensland

Here’s another animated case study of one more interesting time that occurred through summer 2013 in Queensland – on this occasion the evening of Saturday 12th January 2013.

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Article: Quick quiz – how many do you get right, about what happened in the Queensland Region over summer 2013?

Five thought-provoking questions about what really happened in Queensland over summer 2013 – and the supplementary question about what it all means for the future.

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Article: Revisiting 2nd January 2013 in Queensland – to illustrate the interaction of rebidding and constraints

Beginning prior to 7am and progressing through the morning of Wednesday 2nd January 2013, there was significant volatility in the Queensland region of the National Electricity Market – including four spikes at or above $1,000/MWh.

Here’s a walk-through of how it unfolded, with some pointers to some of the contributing factors.

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Article: Wild price gyrations in Victoria (and elsewhere) today following a station trip at Yallourn

An animation of 90 minutes this morning where the price gyrated wildly in response to a trip at Yallourn, and numerous subsequent reactions by market participants and the AEMO.

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Article: A stinker today in the south – but demand barely wakes from the holiday slumber (and yet prices explode!)

A preliminary look at a number of events that happened today, leading to prices spiking to the Market Price Cap in a number of regions, Demand Side Response being very active, and trading desks being very busy.

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