A closer (though still cursory) look at NEM Mainland Frequency in a data extract on Tuesday 12th November 2024
A second quick look at the drop in NEM Mainland Frequency on Tuesday 12th November 2024.
All Posts
NEM Mainland Frequency drops below the NOFB, 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.
Evening volatility in QLD and NSW (and low IRPM) on Monday evening 11th November 2024
Monday evening 11th November 2024 sees volatility return in QLD initially, and soon also in NSW.
Reviewing the ‘N-MNYS_5_WG_CLOSE’ Constraint Set, as a major factor in recent northern volatility
As time permits, we're chipping away at an exploration of the volatility in QLD and NSW on Thursday 7th November 2024. In this article we take another step in understanding the ‘N-MNYS_5_WG_CLOSE ’ constraint...
A much shorter run of evening volatility in QLD and NSW on Friday 8th November 2024
There were not as many SMS pings on Friday 8th November 2024 as there were for price alerts the day before, with the only 4 dispatch intervals in QLD and NSW above $1,000/MWh.
A view of the extracted Mainland Frequency trace on Thursday afternoon 7th November 2024 (Part 2)
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 extracted data from around that time...
Three dispatch intervals (sampled from a long run of volatility on Thursday 7th November 2024) to illustrate the complexity (and significance) of congestion
We’ve selected three dispatch intervals through the long run of volatility in the QLD and NSW regions on Thursday 7th November 2024 to help illustrate: 1) How the issue of ‘congestion’ or ‘constraints’ in...
VIC1-NSW1 interconnector unable to Target Flow north, on Thursday afternoon-evening 7th November 2024
A quick summary about the presence of constraints limiting the ability of the southern regions to help, via the VIC1-NSW1 interconnector, on Thursday 7th November 2024.
Late afternoon and Evening run of volatility in NSW and QLD, on Thursday 7th November 2024
It was a hot and sweaty walk home from the Brisbane office late this afternoon, accompanied by the incessant buzzing of my phone … due to the run of volatility in NSW and QLD...
Small (NEM Mainland) frequency wobble, on Thursday afternoon 7th November 2024
Perhaps contributing to the early start to price volatility in NSW this afternoon was the wobble in system frequency shown here?
Guest Authored Posts
Bidding algorithms: Don’t miss the forest for the trees
Declan Kelly from Flow Power follows up an earlier article discussing the impacts of algorithmic bidding, this time looking at some of the market benefits.
How the NEM BESS fleet is operating on peak days, and how to be a savvy operator
In this guest article, Matt Grover from Fluence draws on operational data and real-world trading experience to unpack how Australia’s grid-scale batteries performed across three June 2025 peak days — and what capabilities belong...
Detailed Analysis
N/A