More court action about ‘the Brady Report’ for Callide C4
Two news articles in recent days in the Australian (with respect to Federal Court deliberations about Callide C4) prompt this latest article.
Headline Events
Some key events in the NEM that carried long-term implications
A precis of the ‘Exploring Wind Diversity’ analysis completed in Appendix 27 of GenInsights21
Almost 2.5 years since we released GenInsights21, today we’re publishing this article that contains a precis of the analysis included as Appendix 27 under the title ‘Exploring Wind Diversity’.
We can’t say yet if grid-breaking thunderstorms are getting worse – but we shouldn’t wait to find out
Reflecting on the transmission tower failures in Victoria in February, a group of researchers from the University of Melbourne have put together this summary of what the long-term wind data is showing, and what it means for the power system.
The Australian notes how Callide C was back in court again this week
Another update from the Australian during the week with respect to the Federal Court proceedings with respect to Callide C (particularly unit C4).
An update on Callide C3 (back online) and Callide C4 (still offline)
A few separate questions about Callide C3 and C4 in recent days prompts this short status update on both units.
Temporary replacement towers up, for the Moorabool Sydenham No2 500 kV line (from 12:10 on Wed 6th March 2024)
That same reader has helped point out that temporary towers brought the Moorabool Sydenham No2 500 kV line back into service on Wed 6th March 2024 (following No1 line RTS on Sun 25th Feb 2024).
Temporary replacement towers up, for the Moorabool Sydenham No1 500 kV line (on Sun 25th Feb 2024)
A reader has helped point out that temporary towers brought the Moorabool Sydenham No1 500 kV line back into service on Sun 25th Feb 2024 (with No2 line still out).
AEMO Preliminary Operating Incident Report (re Tue 13th February 2024) is available
AEMO’s preliminary operating incident report for what happened on Tuesday 13th February 2024 is available now.
Convective downdrafts and high-voltage transmission lines
In light of another transmission tower collapse caused by convective wind gusts, we’ve invited wind loading expert Dr John Holmes to explain this phenomena.
Weathering the Storm: Victoria’s Record-Breaking Energy Day
Perhaps unrealised by many, but Tuesday afternoon’s events in Victoria resulted in a new record low in terms of number of coal units being online in the region, Geoff Eldridge explores.
[SLIGHTLY UPDATED] a sequence of events for what happened in Victoria through the day on Tuesday 13th February 2024 (via Timescale #1)
In this article we’ll have a first pass at what happened in Victoria on Tuesday 13th February 2024 at a DI-by-DI level … which we call ‘Timeline #1’ level – noting will go more granular later (Timeline #2) and less granular later (Timeline #3).
Part 2: Too much rooftop PV in SA, almost, as forecast for 15th February 2024
An an elevated risk of the contingent disconnection of Distributed PV resurfaces for SA on 15 February 2024 with market notice 114743.
Too much rooftop PV in SA, almost, as forecast for 15th February 2024
Market notice 114741 cancelled the notice of a high risk of curtailment of distributed PV in SA on 15 February 2024.
AFR reports about $300M insurance claim refused, for Callide C4
Following on just one day after CS Energy released an abridged report on the failure of Callide C4, the AFR reports about insurance problems.
Some *initial* headline questions following the transmission damage, unit trips & loss of load, initiated on Tuesday 13th February 2024
What happened yesterday (Tue 13th Feb 2024) in Victoria was a significant event in the history of the NEM – and the flow on effects will be felt for weeks and months (even years?). Here’s a starting list of questions we’d like to explore…
Another tower collapse poses more questions about transmission
The sixth transmission tower failure within the NEM in almost four years, has prompted further questions about the physical network and its resilience to severe convective winds.
Hiccup in return to service of Loy Yang A2
A follow up on the (bumpy) return to service for Loy Yang A2
CS Energy releases report into 2021 Callide C4 unit failure
Today CS energy has released a detailed insight into what happened to the C4 unit that caused the major failure.
The matter of Callide C back in Federal Court (this time via AER)
Callide C3 is back in the news today, with Australian Energy Regulator taking legal action against Callide Power Trading in the Federal Court.
Federal Court rules about Callide C – independent investigation authorised
Late afternoon Monday 29th January 2024 (thanks to Nick Evans) we became aware that the Federal Court had ruled on docket number QUD541/2023 relating to Callide C4 and Callide C3 failures.