EnergyAustralia notes ‘further instability in the Morwell River Diversion wall’ – with respect to Yallourn mine
A media release by EnergyAustralia this afternoon (Tue 15th June) about Yallourn mine flooding prompts an updated look on Wattclarity…
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.
More persistent spot price volatility in the QLD region on Tuesday morning, 15th June 2021
Morning spot price volatility in the QLD region persists further into the morning (Tue 15th June) than has become expected.
Yallourn unit 3 re-joins Yallourn unit 1 back online
A short note on Tuesday morning to highlight that YWPS3 has re-joined YWPS1 back online.
Spot price volatility continues into Monday 14th June 2021
A short note to recognise the spot price volatility continuing for Monday 14th June 2021.
Yallourn down to 1 unit, on low load operation – following flood risks at the adjoining mine
A Saturday morning review of the situation in Victoria, with supplies from Yallourn restricted due to flooding in the Latrobe Valley … coincident with other factors
Pricing volatility on Friday 11th June 2021
First price spike at sunset (Friday 11th June 2021) … presumably with a number more bounces to go through the evening.
Is the wet weather event (and flooding in the Latrobe Valley) affecting brown coal generation – Fri 11th June?
Flooding in the Latrobe Valley town of Traralgon raises questions about whether there is any effect on the brown coal generators.
Further delays in RTS for Callide B1 and C3 (earlier for B2)
A short note about some further delays in return to service for Callide B1 and C3 … though earlier return for B2
Evening volatility continues into Thursday 10th June 2021
A short article noting volatility rolls into Thursday evening, 10th June 2021
Potential Tripwire #1 = the ‘invisible’ 5-minute Trading Periods?!
In this article we discuss the 1st of 3 Potential Tripwires that wholesale market participants and others will encounter from October 2021 … with Tripwire #1 coming from the implementation of Five Minute Settlement.
Demand, and prices, up in NSW and QLD on Wednesday 9th June 2021 … and low IRPM
A short note about the first of the volatility on Wednesday 9th June 2021.
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.
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 the Callide C4 problems.
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 2021).
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 already facing tight supply/demand following the Callide catastrophe and LOR1 in NSW.