End of the road looming – for Liddell, and also AGL’s Torrens B … and another day delay for Callide C3!
More changes to retirement schedules in the market prompt me to power up the ‘MT PASA DUID Availability’ widget in ez2view once again…
A collection of articles that began on Tuesday 25th May 2021, when Callide C4 unit exploded, which:
1) Led to loss of supply from sister units Callide C3, and B2 and B1 – but also others close
2) And also blackouts for a sizeable amount of Queensland due to under-frequency load shedding
3) And a very long repair process
4) Hence some concerns about the supply-demand balance, and prices
5) And an insolvency of one of the JV owners
6) There also was a lengthy process to report on the original cause of the explosion.
In this category we collate an expanding range of articles related to one or more of the above.
More changes to retirement schedules in the market prompt me to power up the ‘MT PASA DUID Availability’ widget in ez2view once again…
An updated look at the ‘MT PASA DUID Availability’ widget in ez2view shows another delay in returning Callide C3 to service.
A short record of gas prices being up at $20/GJ and above through a cold spell for winter, with other factors at work.
Now making it 5 out of the past 6 years, we return to the analysis of electricity (spot and futures) pricing patterns for Q2 periods across the NEM regions … and also in Western Australia. We see a number of ways in which Q2 2021 was ‘anything but boring’!
An updated view of the return to service schedule of Callide C3 and C4 … along with Yallourn unit 4.
Callide B2 returned to service this morning after nearly a month of being offline, following the explosion and outage at the station in late May.
A quick look this afternoon sees that the return to service for Callide B2 has been delayed a few days since I last looked during the week.
Carl Daley of EnergyByte examines the ramifications of the Callide Power Station outage and discusses the big losers and winners from the situation.
A short note to follow up on the welcome return-to-service of Callide B1.
The volatility that has been with us for weeks now (particularly QLD and NSW), and the dramas unfolding at Callide power station, prompted me to have a broader look at the availability of black coal plant across QLD and NSW, and compare this to prior Q2 periods.
With expectations set last week that Callide B1 would be back online yesterday at minimum load, I’ve had a quick look and can’t see it yet…
A short note about some further delays in return to service for Callide B1 and C3 … though earlier return for B2
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.
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.
Evening spot price volatility has become a regular thing – here’s some of it for Thursday 3rd June 2021
A short note, following AEMO reporting estimated costs for RERT (Reserve Trader) on Tuesday 25th May 2021 in QLD.
On LinkedIn this afternoon, Josh Stabler (of Energy Edge) identified another consideration for the repair process for the significantly damaged Callide C4 steam turbine.
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.
In order to assist discussions on social media about what’s been happening with Callide C4 over the past 10 years, using the GSD2020 I’ve published some actual detailed performance metrics.
The AEMO has released its 22-page Preliminary Report into the Callide C4 Catastrophe and the subsequent events.