Tight supply/demand forecast for NSW on Thursday 10th June 2021
A quick note on Tuesday evening, looking ahead to Thursday (10th June) with AEMO forecasting LOR2 in NSW with the cold snap, and enquiring about Generator Recall.
Seasonal Record of Events in the Market
Collections of events that we see happening in the NEM, categorised in terms of the seasons in which they occur.
Discussion about electricity prices – following the Callide C4 Catastrophe
Discussion in a number of different places (including an AFR article today) prompted me to pull some data together of how (spot and futures) prices have trended through 2021, and how they changed with...
Administered Pricing reached for Raise 6 second (Contingency) FCAS in Queensland
High Contingency FCAS prices (Raise 6 second) in response to what's happened at Callide Power Station drove the Cumulative Price to (6 times) the Cumulative Price Threshold. Administered Pricing began Saturday evening for QLD.
Spot market volatility report – Thursday 3rd June 2021 (as at 17:54)
Evening spot price volatility has become a regular thing - here's some of it for Thursday 3rd June 2021
Gas-fired generation up following the Callide C4 Catastrophe
A client sent in this ez2view image this afternoon pointing out another factor that's been occurring in the absence of 4 x Callide units - markedly increased production from gas-fired generation.
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...
Some good information about what happened with Callide C4 inside the AFR today
A note of thanks to Mark Ludlow at the AFR for the compilation of some great initial information about what happened at Callide C4 unit just over a week ago (on Tue 25th May...
Updated list of events on 25th May 2021 that we’ll be investigating – time permitting
For ease of future reference, here is the list of events that occurred on Tuesday 25th May 2021 ... as we (currently) see them.
Price Volatility (now a regular evening event for QLD and NSW) on Tuesday 1st June kicked along by Darling Downs outage.
A number of things happened late today - with the trip of DDPS1 (only declare credible contingency earlier in the day) giving more impetus to spot price volatility in the QLD and NSW regions...
Delayed Return to Service for Callide B1, B2 and C3
First short article for Tuesday evening following report from CS Energy that the return to service
First pass review of bidding behaviour on Tuesday 25th May 2021 in Queensland, after Event 2
This evening I've taken a first pass look at how QLD generators bid on Tuesday 25th May 2021, in response to the tight supply/demand balance created by the Callide C4 outage and cascade of...
Plenty of things went wrong in Queensland last Tuesday, but some very important things went right
Whilst there were many things that went wrong on Tuesday 25th May 2021 (last week), guest author Allan O'Neil highlights that there were at least 4 things that went right - contributing to a...
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,...
Hornsdale Frequency data seems to confirm QNI separated on 25th May
Two brief (but important) observations made possible with a chart published on RenewEconomy with respect to the Hornsdale Power Reserve.
There were 3 events on Tue 25th May – and it seems likely that QNI separated briefly in Event 2
A deeper look at the frequency data (our own, and also from some others) reveals a number of other interesting things about what happened on Tuesday 25th May 2021 in Queensland.
ABC news report suggests Callide C4 will be offline for a long, long time
My evening reading of an ABC news article (about Callide C) released this afternoon suggests a long, long and expensive outage for Callide C4.
Sequence of Events on 25 May – A Very Short & Partial Visual Guide
Normally this would be part of a much more complete article adding to WattClarity’s growing coverage of the major power system events in Queensland following the incident at Callide C Power Station. However I...
Here’s 7 of the Headline Questions we’re pondering about, following the dramas in Central Queensland on Tuesday 25th May
Sharing 7 of the 'Headline Questions' we're pondering, as we bury ourselves in the data surrounding the events that happened on Tuesday 25th May ... some of which will have long-lasting implications (not to...
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.