Tag Archives: Queensland

Article: Further analysis of the (very rare) double-islanding events of Saturday 25th August 2018

The multi-region islanding event on Saturday 25th August was a very rare event – perhaps the only one’s that occurred in the history of the NEM. It has generated plenty of questions – and driven our analysis further. We share some more observations here, and keenly await the draft AEMO report.

Also tagged , , , , , |

Article: Taking a look at Saturday’s Islanding Event through 4 second SCADA data

Following on from Saturday’s islanding event, we use our current interest in AEMO’s 4-second SCADA data to prove a little more…

Also tagged , , , , , , , , |

Article: Both QLD and SA islanded from the rest of the NEM on Saturday 25th August 2018

Both the QNI and the Heywood interconnectors tripped around the same time on Saturday 25th August 2018 (not apparent at this time which one was first, and why), leading to both QLD and SA regions being separately islanded from the rest of the mainland NEM. This also contributed to over 1,000MW of load shedding in NSW and VIC, and presumably some frequency excursions in QLD and SA.

Also tagged , , , |

Article: Reviewing the pattern of spot prices for Q2 2018 suggests that we’re far from out of the woods, yet

Returning to the theme of analysis of Q2 prices (completed in 2017 and 2016 due to Q2 historically being an uneventful period) we see that prices have backed off from the “off the charts” level of 2017, but are still much higher in all regions than most other regions. In some cases results are second worst in 20 years.

Also tagged , , , , , , , |

Article: Further thoughts on the emergence of the “Solar Correlation Penalty”

Some further thoughts on what we’ve termed a “Solar Correlation Penalty” which point-view of some specific dispatch intervals seems to suggest is occurring

Also tagged , , |

Article: Electricity demand stopped declining after 2014 (on a NEM-wide, Annual Average basis)

A comment made by TransGrid at the Energy Networks 2018 conference today jolted me to update my (somewhat) outdated paradigm of declining demand.

Also tagged , , , , , |

Article: The “Solar Correlation Penalty” has already arrived in the NEM

Already we are seeing the highly correlated output of solar PV deliver interesting challenges for the NEM – both to the project proponents themselves, and also to the “everything else” that supplies what’s left of the underlying demand from electricity from any source.

Also tagged , |

Article: Third peak Scheduled Demand in Queensland in 3 days - 9,924 MW at 16:50 Wednesday 14th February

A new peak Scheduled Demand and Operational Demand in Queensland today with Scheduled Demand still over 9,100 MW after 8 PM.

Also tagged , , , , |

Article: Queensland region sees a new record peak Scheduled Demand – at 18:50 on Monday 12th February

Queensland experienced a new record for Scheduled Demand for electricity today – but what’s particular staggering is how late in the day it happened!

Also tagged , , , |

Article: High electricity demand forecast for Queensland – on Monday, Tuesday and Wednesday next week

Looks like being an interesting day on Wednesday next week (14th February 2018) with high temperatures currently forecast for parts of both QLD and NSW

Also tagged , , , |