Hiccups at Loy Yang A4 (Part 1)
A quick look at 3 successive trips at Loy Yang A4 in returning back from a recent forced outage.
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).
The 2023 ESOO report shows coal unit EFOR is still a significant factor
One observation about the 2023 ESOO is that EFOR (equivalent forced outage rate) for coal and large gas units is a large and growing challenge.
Mid-July update on repairs on Callide C3 and C4 cooling tower
A quick note on WattClarity to tie in an update (earlier this month) from CS Energy on the rebuild of the cooling tower for Callide C3 and C4.
Four coal unit outages in the past 24 hours
It does not happen often, so when receiving 4 different ‘coal unit off’ alerts within 24 hours, we thought we would take a look …
Reader question about current (planned) outage at Millmerran unit 2
Answering a reader question (about the current outage at Millmerran unit 2) with some pictures in an article on WattClarity.
The never-ending (horror) story at Callide C … more long delays in expected Return-to-Service
More updates recently about the Callide C power station. Looks like we’ll be waiting a while longer for the (delayed again) return to service…
Expected Return to Service date for Callide C3* slips further back, to 30th June 2023
A short article about a further delay in the expected return to service date for Callide C3 (which is offline after suffering cooling tower failure).
False (re)start at Loy Yang A2 on 25th October
Prompted by a comment by a WattClarity reader, I’ve taken a quick look at Loy Yang A2 for the past week.
When can we hope to see the return of some of these coal units?
A quick look (for Tue 14th June) of which of the coal units are expected to return to service in the coming week.
Consistently elevated prices as a segue into EUAA National Conference this week
The EUAA is holding its National Conference this week in Melbourne, and we’re looking forward to being there. Elevated prices (which we have seen a lot of recently) are sure to be part of the conversation…
Summary view of supply-side contributions in QLD during ‘heatwave week’ – particularly Tue 1st Feb 2022 and Wed 2nd Feb 2022
An initial review of some (wholesale) supply-side factors contributing to the extreme price volatility (and Reserve Trader etc) that occurred in the first week of February 2022 in the QLD region of the NEM.
Why is QLD short of generation capacity, on Tuesday 1st February 2022?
A quick look at the coal units that are currently offline today in the QLD region, in the lead-up to the tight supply-demand balance.
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.
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 the quarter – particularly for QLD and NSW.
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).
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 2021.
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 coal units across the NEM (and particularly in NSW) compared to prior years.
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