We start with this colour-coded tabular record of a 4-hour period (16:00 to 20:00 NEM time on Wednesday 11th June 2025) as a reference point for further analysis of the evening volatility.
Cold weather this evening has brought prices above $7,000/MWh and tight reserve margins across the NEM.
A very quick note for Wednesday 11th June 2025 with this snapshot from NEMwatch at 17:00 (NEM time) to record the start of some elevated prices.
Yesterday (Tuesday 10th June 2025) at 14:21 the AEMO published MN127491 that noted 'The increase in USE in Queensland ... is primarily driven by network outages scheduled between 17 and 20 June 2025'.
A cold winter evening (Tuesday 10th June 2025) is driving electricity demand higher, as captured in this snapshot from NEMwatch at the 18:10 dispatch interval.
Yallourn unit 3 came offline for a tube leak - but ABC reports (on Mon 9th June 2025) that 'an air duct in unit three collapsed during maintenance', so we take an initial look.
On Thursday 5th June 2025, the NSW Government released its 158-page report into ‘The electricity outages affecting Far West NSW in October 2024’.
This article uses the ‘Forecast Convergence’ widget, snapshot from ez2view at 07:25 on Monday 9th June 2025 to sum up some changing forecasts for LOR1 and/or LOR2 in QLD, NSW and VIC in the...
Yesterday (Sunday 8th June 2025) saw the commencement of the new Frequency Performance Payments (a.k.a. FPP) method.
Winter 2025 has arrived, with a cold front driving high wind production - which prompts this initial look in wind production for 2025 Q2 to date.
Another short article to note a 495MW drop in demand in NSW (measured in 'Market Demand') to the 10:10 dispatch interval on Thursday 5th June 2025.
Dan adds to our ongoing case study into the events of Monday 26th May 2025, by mapping the dispatch error across all semi-scheduled units for the 16:15 dispatch interval that afternoon.
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...