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 Power Station. Well, believe it or...
Inertia levels, measured in megawatt-seconds (MWs), dropped towards the targeted secure operating level and the minimum threshold level on 12 November, 2024.
Philippe Orhan from Neoen shares this article which is adapted from his presentation about BESS bidding (and dealing with the complexity in the data) in the NEM at the recent All-Energy conference in Melbourne.
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.
Monday evening 11th November 2024 sees volatility return in QLD initially, and soon also in NSW.
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...
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.
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...
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...
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.
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...
Perhaps contributing to the early start to price volatility in NSW this afternoon was the wobble in system frequency shown here?
An earlier-than-expected spike in spot price in NSW on Thursday afternoon 7th November 2024.
A quick look in the morning of Thursday 7th November 2024 utilizing this collage of 4 different ‘Forecast Convergence’ widgets in ez2view at the 08:35 dispatch interval looking forward to this evening.
Here’s a snapshot of NEMwatch at the 17:50 dispatch interval (NEM time) highlighting evening volatility in the QLD and NSW regions as we pass beyond sunset on this warm-for-November day.
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 today
A short record of a significant drop of 'Market Demand' in South Australia on Tuesday afternoon 5th November 2024 ... down 710MW (or 60% of the initial value) in 20 minutes.
In Part 4 of this Case Study (with respect to spot price volatility in South Australia on Monday 23rd September 2024) we take a detailed look at the 'S_PPT+SNPT+BLVR_220' Constraint Equation, which was particularly...
A quick look at market notices and our forecast convergence widget in ez2view, to check in with projected tight market conditions this coming Thursday in NSW and QLD.