Afternoon trip of Bayswater unit 3 delivers rapid drop in Mainland Frequency
A quick record of a unit trip at Bayswater Power Station on Wednesday afternoon 5th March 2025.
A collation of articles pertaining to some larger disruptions in system frequency (such as outside of the Normal Operating Frequency Band – NOFB).
A quick record of a unit trip at Bayswater Power Station on Wednesday afternoon 5th March 2025.
Some recent questions prompted this more granular look at NEM Mainland Frequency on Thursday afternoon 13th February 2025
Friday 31st January 2025 (appeared to) experienced a very large drop in demand in NSW in a single dispatch interval - but we're now suspecting some form of...
Coincident with the walk home this afternoon/evening, the ‘Notifications’ widget in one of our display copies of ez2view alerted us to a large drop of ‘Market Demand’ in...
A short note to flag the apparent trip of Callide C3 just prior to 06:35 (NEM time) on Wednesday 20th November 2024.
A short article on Wednesday afternoon, 13th November 2024 with this snapshot highlighting a drop in frequency on the mainland.
We’ve already looked at how there was a drop in system frequency at ~10:41 NEM time (outside of the NOFB) in conjunction with trips of units at Yallourn...
A second quick look at the drop in NEM Mainland Frequency on Tuesday 12th November 2024.
A quick article recording the drop of NEM Mainland Frequency below the lower bound of the NOFB on Tuesday morning 12th November 2024.
Yesterday, amongst the volatility, we also wrote about a ‘Small (NEM Mainland) frequency wobble, on Thursday afternoon 7th November 2024’. As a stepping stone to further analysis, we...
Perhaps contributing to the early start to price volatility in NSW this afternoon was the wobble in system frequency shown here?
A very short article for Wednesday 6th November 2024, such that we might follow up later, to note the following two wobbles in frequency in the mainland NEM...
Some wobbles in System Frequency (NEM mainland) through the middle of the day on Thursday 31st October 2024 stick out, and will be progressively explored.
A short article to flag a two rapid (and noticeable) fluctuations in Mainland Frequency that we spotted this afternoon/evening on Tuesday 29th October 2024.
Another 'interesting' event today ... a dip in mainland frequency with trip of Loy Yang A2.
To provide some more colour about what’s been happening on Thursday 17th October 2024, here’s a snapshot of NEM Mainland frequency at 15:07 (NEM time) looking back only...
A quick look at a small drop in frequency seen on Wednesday 16th October 2024.
To further understand the frequency drop we delve into the 4-second data (used for regulation FCAS contribution calculations) in this Part 2, looking at generating units (including BDUs).
A quick record of the trip of Loy Yang A1 unit just prior to 08:40 (NEM time) this morning … Friday 11th October 2024:
A short article looking at system frequency late afternoon Sunday 6th October 2024.