Evening price volatility in NSW on Sunday 1st June 2025
A short note with a NEMwatch snapshot at 17:15 to mark some low-level price action in NSW on Sunday 1st June 2025
Eventful Days
Callide C back online, 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.
A trend of aggregate ‘Dispatch Error’ for each Semi-Scheduled fuel type on Monday 26th May 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.
A quick look at system frequency, with 2 x coal units offline overnight into Saturday 31st May 2025
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...
Evening volatility on Thursday 29th May 2025
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.
Poor dispatch performance of VRE (collectively) on Monday 26th May 2025 sufficiently large to drive frequency outside of NOFB
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...
Price volatility in NSW on 28 May, 2025
The NSW dispatch energy price jumped to 17,560 $/MWh in the 16:50 dispatch interval on 28 May, 2025.
Was Monday evening’s new record wind production well forecast in advance?
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.
Drop in mainland system frequency on 26 May 2025
The measurements indicated frequency ducked just below the NOFB briefly, reaching 49.843 Hz.
New all-time record for NEMwide production from Wind on Monday 26th May 2025
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).
‘Market Demand’ in South Australia drops by 235MW on Monday 26th May 2025
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.
*Might* be a new all-time record for NEMwide wind production on Monday night 26th May 2025
An updated view (at Monday morning 26th May 2025) at updated forecasts for NEM-wide wind capability for this evening.
Forecast for high wind capability across the NEM on Monday 26th May 2025
A glance at an ez2view dashboard shows AEMO forecasts for wind capability next Monday 26th May 2025 will be quite high.
Buronga No.5 330kV synchronous condenser has been commissioned in NSW
AEMO notes that 'At 1700 hrs 20/05/2025, the Buronga No.5 330kV synchronous condenser has been commissioned.'
Prices up in the southern half of the NEM – on Tuesday 20th May 2025
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.
Loy Yang A3 offline on Tuesday afternoon 20th May 2025 – small frequency drop
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.
Early evening volatility in NSW (and QLD) on Sunday 18th May 2025
A short note to highlight some early evening volatility from 16:55 (NEM time) on Sunday 18th May 2025.
Directions up to almost five a day
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.
Five (re)bids for URANQ12 on on Tuesday 13th May 2025 – Part 3 of a Case Study
On Tuesday 13th May 2025 we quickly noted a period of volatility that was mainly focused on the NSW region. Here's a third step in understanding contributing factors...
Afternoon volatility begins in NSW on Wednesday 14th May 2025
Whilst in the process of publishing a look at yesterday, I wondered about the possibility of price volatility this evening ... and that's what happened.