A catalogue of articles pertaining to eventful days in 2025
This is my second article today relating to events on Monday 26th May 2025 - with this article looking at Dispatch Error for each of the 188 x Semi-Scheduled units to 16:15.
Belatedly noting the dust storm that past through South Australia on Monday 26th May 2025, which Andrew Miskelly of Weatherzone documented in a video on Bsky.
A short note with a NEMwatch snapshot at 17:15 to mark some low-level price action in NSW on Sunday 1st June 2025
A short article to note that Callide C3 came back online in the early hours of Sunday morning 1st June 2025.
Let’s now return to Monday 26th May 2025 to look at aggregate ‘Dispatch Error’ across both Semi-Scheduled fuel types for all dispatch intervals in the day.
It’s fitting to book-end the week with a look at frequency performance overnight (into Saturday 31st May 2025) with two coal unit outages in NSW overnight to see what happened in terms of more...
A very short note with a snapshot of NEMwatch at 17:35 NEM time to mark the first dispatch interval this evening with a spot price above $1,000/MWh.
Prior to the Brisbane session of the Nelson Review Panel (on Thu 29th May 2025) we take a look at Dispatch Error in the 16:15 dispatch interval on Monday 26th May 2025 to see...
The NSW dispatch energy price jumped to 17,560 $/MWh in the 16:50 dispatch interval on 28 May, 2025.
Taking a closer look at the new 'highest ever' point for NEM-wide Wind Production on Monday 26th May 2025, and how well this was forecast in advance.
The measurements indicated frequency ducked just below the NOFB briefly, reaching 49.843 Hz.
Looking back at Monday evening 26th May 2025, there was indeed a new all-time wind production record (which smashed the earlier record set almost exactly a year earlier).
Worth a short note to tag in this ‘Notification’ widget alert in ez2view triggered at 13:31 (NEM time) on Monday 26th May 2025 about a 235MW drop in ‘Market Demand’ in South Australia.
An updated view (at Monday morning 26th May 2025) at updated forecasts for NEM-wide wind capability for this evening.
A glance at an ez2view dashboard shows AEMO forecasts for wind capability next Monday 26th May 2025 will be quite high.
AEMO notes that 'At 1700 hrs 20/05/2025, the Buronga No.5 330kV synchronous condenser has been commissioned.'
A short article to mark a (relatively rare) instance where prices in the three southern regions of a May evening are more elevated than in QLD and NSW.
A short note because of a 295MW drop in output from Loy Yang A3 just prior to 14:06 (NEM time) on Tuesday 20th May 2025.
A short note to highlight some early evening volatility from 16:55 (NEM time) on Sunday 18th May 2025.
In this article we delve into the indicators we can uncover which point to the increase in market interventions and generator directions over recent years.