Like clockwork, just prior to 17:00 the AEMO released its preliminary report into some of the things that happened on Tuesday last week, 25th May 2021:
We’ll review this with interest, and incorporate the information contained within it into subsequent articles on WattClarity.
Paul was one of the founders of Global-Roam in February 2000. He is currently the CEO of the company and the principal author of WattClarity. Writing for WattClarity has become a natural extension of his work in understanding the electricity market, enabling him to lead the team in developing better software for clients.
Before co-founding the company, Paul worked as a Mechanical Engineer for the Queensland Electricity Commission in the early 1990s. He also gained international experience in Japan, the United States, Canada, the UK, and Argentina as part of his ES Cornwall Memorial Scholarship.
The multi-region islanding event on Saturday 25th August was a very rare event – perhaps the only one’s that occurred in the history of the NEM. It has generated plenty of questions – and driven our analysis further. We share some more observations here, and keenly await the draft AEMO report.
A short article marking return to service for the Callide C3 unit, which has been offline since 25th May 2021.
1 Commenton "AEMO releases Preliminary Report: Trip of multiple generators and lines in Queensland and associated under-frequency load shedding on 25 May 2021"
Two statements which stand out to me as defining the event.
“At 1334 hrs on 25 May 2021, Callide C4 stopped generating but did not disconnect from the power system.”
“At 1340 hrs, CS informed AEMO of a possible turbine hall fire at Callide C.”
Two statements which stand out to me as defining the event.
“At 1334 hrs on 25 May 2021, Callide C4 stopped generating but did not disconnect from the power system.”
“At 1340 hrs, CS informed AEMO of a possible turbine hall fire at Callide C.”