Fourth article today in this growing category about what happened with the coincident trip of ER01 and ER02 today was this second snapshot taken from our internal monitoring of mainland frequency in the NEM:
This second snapshot (which follows the first here) shows that:
1) Per MN115944 the trips occurred at ~13:22 (NEM time) on Wednesday 3rd April 2024; and
2) With a 7-8 minute recovery time, this means frequency back up to ~50Hz by ~13:30 (NEM time), roughly speaking.
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.
There were two significant drops in frequency on Thursday 5th September 2024. Whilst the first coincided with (brief) Market Suspension, in this article we take a look at the second (around 16:45).
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