Collections of events that we see happening in the NEM, categorised in terms of the seasons in which they occur.
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...
A brief follow on from yesterday's post, with the advantage of being able to review yesterday's bids (and rebids) today.
The past week, with wind farm output blowing gangbusters in South Australia (coupled with low demand and System Strength requirements) we seen the "Wind Correlation Penalty" start to bite, with some reactions also beginning...
Guest author, Drew Donnelly at Compliance Quarter, uses the review of hedge practices in the wholesale market included in the recent ACCC report as an opportunity to reflect on what approaches they have seen...
One of our guest authors, Allan O'Neil, takes a closer look at what happened in the South Australian region of the NEM on Monday 9th July 2018
Some brief analysis of today's price volatility seen in the South Australian region of the NEM
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"...
The start of some analysis that helps to identify the variety of factors that combined to give a shaky balance between supply and demand in NSW last week.
Yesterday (Thu 24th May) AEMO issued a Low Reserve Condition notice (at LOR2 level) for South Australia next Thursday 31st May. We take a quick look....
This morning over on Twitter, I was pulled into a discussion that had started with respect to volume of wind energy curtailed in South Australia: The genesis of this twitter conversation was the...
A brief first look at AEMO's new MT PASA data sets - as we push forward in the next upgrade of our ez2view software to help our clients understand the data, and the opportunities...
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...
Alerted by our NEMwatch dashboard, I delve into the data and see a scary degree of correlation between the (very low) output of wind farms in south-east South Australia, and (similarly low) output from...
An unexpected network outage in the south-east of South Australia restricts supplies from Victoria at a time of low wind supply in South Australia and results in the dispatch price spiking to $14,200/MWh from...
A follow-on to my earlier article of a couple weeks ago, looking at another instance where a team effort was required to counter a drop in system frequency following the loss of generation at...
A review of the high demand periods over summer 2017/18 highlights the important contribution renewable generation is making to meeting peak demand and addressing the reliability of the power system.
Understanding the FCAS response by all generators when a unit trips in the NEM. A detailed look at the Loy Yang A unit trip in December 2017 and the contribution of the Hornsdale Power...
A new peak Scheduled Demand and Operational Demand in Queensland today with Scheduled Demand still over 9,100 MW after 8 PM.
Queensland experienced a new record for Scheduled Demand for electricity today - but what's particular staggering is how late in the day it happened!
A brief look at the numbers with the temporary coal supply issue affecting Loy Yang A and Loy Yang B overnight