Outage at Vales Point unit 5 extended – return to service now not expected until 15th December 2025
Subsequent to earlier article about VP5, the expected duration of the outage pushed out by more than a month.
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).
Vales Point unit 5 (partly unplanned) outage – return to service currently expected 9th November 2025
On Tuesday 26th August 2025 the VP5 unit came offline, with rebid reasons suggesting that ‘turbine vibrations’ were a factor. We take a look ~10 days later.
Unplanned outage on Yallourn Unit 2 extended another ~month (with new RTS expectation 22nd October 2025)
As a further update on outage expectation for the damaged YWPS2 (which tripped with 'LP turbine issue' on Tue 26th August) the latest return to service expectation is now not until 22nd October 2025.
Frequency change with Yallourn unit 2 trip
We assess whether the trip at Yallourn 2 on 26 August 2025 was large enough to drive a frequency disturbance.
Several coal units offline (on Wednesday 27th August 2025) with unplanned outages
A short note with a snapshot of the ‘Generator Outages’ widget in ez2view (at 08:30 on Wed 27th Aug 2025) to highlight some coal units offline.
Frequency change associated with coal generation events
System frequency shows improved resilience to sudden coal generation events since 2020.
The frequency of coal generation events in 2025
A count of coal generator events indicates large unit trips are less frequent.
Three units at Yallourn Power Station offline on Monday morning 16th June 2025
Taking a look at the three of the Yallourn Units offline on Monday morning 16th June 2025.
Trading Places … BW01 offline, with BW04 online
With BW04 returned to service on Sat 14th June 2025, worth noting that sibling unit BW01 came offline on Sunday afternoon 15th June 2025.
A short-lived return to service for Yallourn unit 4
Worth a short note on Thursday 12th June 2025 to highlight the short-lived return to service at YWPS4:
Unplanned outage at YWPS3 (tube leak) extended (due to air duct collapse)
Yallourn unit 3 came offline for a tube leak - but ABC reports (on Mon 9th June 2025) that 'an air duct in unit three collapsed during maintenance', so we take an initial look.
A quick look at system frequency, with 2 x coal units offline overnight into Saturday 31st May 2025
It’s fitting to book-end the week with a look at frequency performance overnight (into Saturday 31st May 2025) with two coal unit outages in NSW overnight to see what happened in terms of more...
Unplanned outage at Callide C3 extended by 3 days – to Monday 2nd June 2025
A short note to flag this 3-day extension to the unplanned outage at Callide C3.
CS Energy publishes about ‘Upgrading Reporting Processes …’ on Fri 9th May 2025
CS Energy published a media release on Friday 9th May 2025 'Upgrading Reporting Processes to Support the Electricity Maintenance Guarantee'
Three units at Bayswater (temporarily) offline, on Tuesday 15th April 2025
It’s not the first time that it’s happened in the history of the NEM, but worth noting that we're (temporarily) down to 1 x Bayswater unit online at present on Tuesday 15th April 2025.
Another long forced outage at Callide C3 … April 2025
First article about the latest long forced outage for Callide C3 - beginning April 2025.
A few stories in (coal) generator outages (at Wednesday 9th April 2025)
Here a view of the ‘Generator Outages’ widget in ez2view at the 07:55 dispatch interval on Wednesday 9th April 2025.
A first look into the LOR3 (a.k.a. ‘load shedding’) forecast for NSW on Monday 16th December 2024
With AEMO forecasting LOR3 (i.e. load shedding) in NSW for periods of time on Monday 16th December 2024, in this WattClarity article we take a first look. More to come *as time permits* (and...
The extended outage at Eraring unit 3 (as at Thu morning 5th Dec 2024)
We thought we'd take a quick look at Eraring unit 3, given it was the focus of Colin Packham’s article yesterday in the Australian.
An updated view of outage plans for Scheduled units above 200MW in NSW and QLD
Given the tight supply-demand balance forecast for NSW and QLD this week, it’s worth revisiting the ‘Generator Outages’ widget in ez2view at 15:35 on Sunday 24th November 2024 to show what the current status...