Some key events in the NEM that carried long-term implications
A short note following the AER announcement (Tue 4th Feb 2025) that ‘Callide Power Trading penalised $9 million for not meeting performance standards’.
Read MoreTwo weeks after our last look at the Return To Service progress at Callide C4, here’s a quick update as at Friday 20th September 2024.
A chart showing the countdown to expected RTS for Callide C4, compared to the actual outage timeline.
A short update (on Friday 6th September 2024) about Callide C4, which has come off for a planned outage as part of its (re)commissioning process.
It’s Friday 30th August 2024 and Callide C4 has commenced its return-to-service (and re-commissioning), after an outage lasting 1193 days
On Wednesday 17th July 2024, CS Energy released the Brady-Heywood report (about Callide C4 failure on 25th May 2021) and the HartzEPM Report (about CallideC3 failure on 31st Oct 2022) … and an Action Plan in response to both.
In the last MT PASA DUID Availability data update for Friday 12th July 2024 the return to service expectation for the repaired Callide C4 unit has been delayed again another 40 days … now 50 days out, till Saturday 31st August 2024.
A view of cumulative total wind production in Q2, highlighting a lack of spatial resource diversity, and the future challenges for gas and long-duration storage.
Taking the ‘worm line’ cumulative trend recent Q2 periods (used for wind, hydro and gas-fired power), we now apply this to coal-fired generation during 2024 Q2.
Taking the ‘worm line’ cumulative trend recent Q2 periods (used for wind and then hydro), we now apply this to gas-fired generation during 2024 Q2. We see two distinctly different patterns … early in Q2 and late in Q2.
CS Energy has released the latest draft of the ‘Brady Report’ – a draft Executive Summary, a draft Part A (Technical) and a draft Part B (Organisational)
Taking the ‘worm line’ cumulative trend recent Q2 periods (first used for wind), we now apply this to hydro during 2024 Q2 to see to what extent hydro production volumes are lower than recent (and other notable) years.
Extending the ‘worm line’ cumulative trend of wind production through 2024 Q2 (to 22nd June) and comparing to 2023, 2022, 2021 and 2020 reveals a picture that is, at the same time, both frightening … but also completely expected (at least for some).
A short article looking back 90 days at production volumes, and bid prices, from gas-fired generation.
A glance at our generator outages widget shows a further three week delay to the expected RTS of Callide Unit C4.
On Wednesday 19th June 2024 the AEMO has published this ‘East Coast Gas System Risk or Threat Notice’.
At the end of an eventful week in the NEM, here’s an update on a few fronts with respect to Callide C.
On Friday 17th May, CS Energy posted a video on YouTube showing a timelapse camera view of some of the repair process for Callide C4. This will be of interest to some WattClarity readers.
On Wednesday evening 15th May 2024, Anthony Macdonald published an update about Callide C4 in the AFR that’s worth a read.
Ashleigh Madden of WeatherZone explores how thunderstorms damage transmission and whether a trend of these related weather events exists.