Spot price and demand up in QLD on a hot and humid Monday 20th December 2021
A first quick look at an elevated price event in the QLD region on Monday 20th December 2021
price spike
Price volatility in the South Australian region on Monday 13th December 2021
Some price volatility in South Australia on Monday 13th December 2021
Tight supply-demand balance in QLD on Thursday 9th December 2021
Some price volatility in QLD on Thursday evening, 9th December 2021 presenting a small distraction on our GenInsights21 completion process.
Widespread rain event one factor in pricing volatility in QLD on Thursday 11th November 2021 (Part 2)
Second short article, looking into what has been happening through Queensland on Thursday 11th November 2021.
Price volatility in QLD and NSW on Thursday 11th November 2021 (Part 1)
Some price volatility in NSW and (especially) QLD region on Thursday 11th November 2021.
A first view of bids under Five Minute Settlement
It was too tempting to take some time today to look back on the first fully 5-minute bids from Friday 1st October (the start of Five Minute Settlement) to see how much has changed.
The volatility seen through Q2 2021 was also a product of timing of solar production
Only ~11 weeks after the end of Q2 2021 we’re still exploring details of the extreme price outcomes. Here’s some of the ways in which solar PV played a significant role in the price outcomes delivered.
Morning volatility in QLD and NSW on Thursday 22nd July 2021
A quick record of some morning volatility in QLD and NSW … both due to tight supply/demand balance with interconnectors constrained.
Tight supply/demand balance delivers price spike in QLD on Wednesday evening 21st July
A short note about the first of a number of dispatch interval price spikes in the QLD region on Wednesday evening, 21st July 2021.
Friday evening price spike in QLD and NSW – with 300MW demand response in QLD
A short article that might be referred back to later following a spot price spike (in QLD and NSW), and what looks like demand response (in QLD).
NSW morning price spike (14th July 2021) – out of the blue
Some brief notes about a morning price spike today in NSW (Wednesday 14th July 2021).
Spot price up in QLD and NSW, with only 1,532MW of spare capacity Monday evening 12th July
A snapshot of the start of price volatility in QLD and NSW on Monday 12th July 2021.
Mainland region price spikes on Tuesday 6th July 2021
A short note about the start of the evening price spikes on Tuesday 6th July 2021 (these are ongoing, at the time this was posted).
A Second Serving of the Q2 Elephant
For a second portion of Q2 “elephant eating”, I’ll look in some detail at the dynamics of an early instance of spot price volatility in Queensland, because many drivers turn out to be similar across other volatile intervals in the…
Evening volatility continues into Thursday 10th June 2021
A short article noting volatility rolls into Thursday evening, 10th June 2021
And so the daily solar bedtime story continues … on Wednesday 2nd June 2021 (with 4 x Callide units off, etc…)
Only two dispatch intervals (thus far?) of extreme pricing tonight for QLD and NSW (Wed 2nd June 2021). Here’s the first one…
Callide C Catastrophic Failure
Carl Daley from EnergyByte, provides more insight into the events of last Tuesday, which culminated in widespread blackouts throughout Queensland.
Prices Spike on Sunday 30th May with low NEM-wide IRPM (without 4 Callide units, and low Wind Production)
On Friday evening (28th May) and again this evening (Sun 30th May) my phone buzzed plenty of times – due to price volatility, and also alerting on low IRPM (enabled with Callide units offline, and low wind harvest at peak demand time).
Forecast for elevated prices in QLD again this evening – Wed 26th May 2021
Following yesterday’s incidents (plural!) we see prices forecast to be high this evening in QLD as well.
Price volatility on Monday 17th May 2021 … as expected (part 1?)
Was speaking with someone this morning about the expectation that there would be price volatility this evening, and the market obliged. It’s only just started, but here’s the second spike (at 17:40) captured in a snapshot from NEMwatch v10: Here’s…