Callide C4 now not due back online until 1st February 2023
An updated look at return-to-service expectation for the damaged Callide C4 unit.
coal unit outage
A series of articles published and tagged with ‘coal unit outage’. These outages might be either:
1) Planned far in advance
2) Not planned far in advance (in which case there are several sub-categories of outage here).
A list of (some of) the factors contributing to the volatile price outcomes seen in Q2 2021 – particularly QLD and NSW
Prompted by last Friday's publication of the AER's 'Wholesale Markets Quarterly' for Q2 2021, here's a tabulated summary of some of the contributing factors of spot price volatility (and hence high average prices) for...
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,...
Status update, on availability of the 48x remaining coal units across Q1 2021
Using an in-development (but soon to be released) widget in ez2view we take a look at forecast availability for coal units in NSW, VIC and QLD for the critical, and normally volatile, Q1 period...
What’s up with the fleet of 16 x coal-fired units in NSW?
Following a week where several days saw price volatility in NSW (with this being so extreme that Reserve Trader was triggered on Thursday 17th December) we've taken a look at the comparative performance of...
Price volatility (third day in a row) … and Reserve Trader dispatched in NSW
Third day in a row we see volatility in NSW (and QLD) ... and this afternoon AEMO contracts, and then dispatches, Reserve Trader in NSW
Some late winter mainland volatility – Monday evening, 24th August 2020
Some SMS alerts notified me of some volatile dispatch intervals this evening in mainland regions. So I took a quick look...
A further look at Thursday Jan 30th
Guest author, Allan O'Neil does a masterful job with limited time in reviewing some of the goings-on in the NEM (particularly VIC and SA) on Thursday 30th January 2020
Thursday 30th January 2020 sees demand reach 34,257MW and LOR2 notice issued for both VIC and SA
A brief overview of a stressful afternoon/evening in the NEM, where a confluence of events (heatwave-driven high demand, low wind, coal unit trip, etc...) drive LOR2 low reserve condition notice in both VIC and...
Keeping the lights on this summer – possible impact of the Loy Yang A2 and Mortlake outages
Two large thermal generating units in Victoria with combined capacity of over 800 MW have recently experienced major electrical faults each requiring many months to repair. Previous WattClarity posts have covered initial assessments of...
Extended outage of Loy Yang A unit 2 – reliability and forward price impacts
A broader look at what the extended outage at Loy Yang A unit 2 seems to be having on the spot and financial markets into the future, via AEMO MT PASA data, and via...
17-year trend of aggregated coal unit unavailability as from the Generator Report Card
Some excerpts from the Generator Report Card to sample some of the analysis we performed to assess various aspects of the 'dependability' of coal-fired power stations in the NEM. In this post we highlight...
Brief comment on the extended outage at Loy Yang A unit 2
Following the notice from AGL Energy on Friday last week about the extended outage occurring at Loy Yang A unit 2, here's some initial thoughts via WattClarity (with more to come as time permits)
Five different aspects of assessing the “dependability” of coal-fired power (in the Generator Report Card)
The framework we used to analyse the extent to which coal-fired power is "dependable" in the Generator Report Card, and the extent to which it's been changing.
Two points about the high demand & prices, and the load shedding, on Friday 25th January 2019
Two quick notes about what happened in Victoria on Friday 25th January 2019 following conversations with a number of people.