Mainland frequency trends lower for a few minutes on late Sunday afternoon 6th October 2024.

Posted by Paul McArdleSunday 6th October 2024  5:44 PM   Topic: 2024-10-06

The drop in system frequency yesterday (Saturday 5th October) discussed here earlier was at approximately 15:45.

Using the same real time, (relatively) high speed monitoring, we see the following late this afternoon, Sunday 6th October 2024:

2024-10-06-at-17-29-NEM-MainlandFrequency

Note that the low point here:

1)  Was at about the same depth as seen for yesterday;

2)  But occurred ~100 minutes later than was the case for Saturday 5th October 2024.

 

I wonder what the cause of this might be … is this related to the waning of rooftop PV into the late afternoon, and AEMO’s difficulty of forecasting this precisely?  Or something else entirely?

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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.

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