System frequency drop with trip at Loy Yang A4 on Wednesday 14th August 2024

Reader Beware … just because you’re reading more about coal unit outages here in recent days, it does not necessarily mean that these outages are happening more frequently!

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A very quick article with this record of the alert from ez2view ‘Notifications’ widget this afternoon noting the trip of Loy Yang A4 from almost full load sometime in the 5-minute period ending 17:51:

2024-08-14-at-17-51-LYA4-trip

Here’s a snapshot of mainland NEM frequency from the monitoring we’re running – noting the sharp drop in frequency around the time of the trip (noting that there may have been other factors involved – I’ve not checked):

2024-08-14-at-17-56-FrequencySnapshot


About the Author

Paul McArdle
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.

1 Comment on "System frequency drop with trip at Loy Yang A4 on Wednesday 14th August 2024"

  1. Pretty much a standard frequency dip for 500MW loss with plenty of coal/gas/hydro units operating.

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