Past 3 hours of continuous volatility on Thursday evening 26th June 2025
Considering that it was 16:45 (NEM time) when volatility started it’s notable that we’re into our 4th hour of volatility now on Thursday evening 26th June 2025.
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Evening volatility ongoing (Thursday 26th June 2025), with NEM-wide ‘Market Demand’ above 31,000MW
A further update on the volatility and high demand seen on Thursday evening 26th June 2025.
Run of evening volatility starts early, on Thursday 26th June 2025
Here’s a NEMwatch snapshot at 16:50 (NEM time) on Thursday 26th June 2025 with the run of volatility in the southern regions already well underway.
AER approves application for Basslink to be converted into a regulated transmission service
After rejecting an earlier proposal, the AER has today approved the conversion of Basslink into a regulated transmission service.
Cold weather drives electricity ‘Market Demand’ higher (and higher than AEMO’s earlier forecasts)
I thought it would be worth adding a couple snapshots from the ‘Forecast Convergence’ widget in ez2view looking at ‘Market Demand’ as at various dispatch intervals on Thursday...
Morning volatility in the southern regions – Thursday 26th June 2025
Here’s a snapshot from NEMwatch at 07:25 to record some morning volatility on Thursday 26th June 2025
Opaque Congestion and Hidden Curtailment … such as on Tue 24th June 2024 with the ‘N-DPWG_63_X5’ constraint set invoked
It was now just over 5 years ago when Marcelle wrote ‘Not as simple as it appears – estimating curtailment of renewable generation’. This week's invocation of the...
Wholesale Demand Response Capacity in June 2025
WDR capacity has increased by 23 MW since our last look, and much of it happened recently.
Another look at conditions in South Australia next week as a forecast LOR3 now appears for Wednesday
An updated look at conditions in SA early next week, where a forecast LOR3 is now appearing for next Wednesday. We also look at the invocation schedule for...
Frequency change associated with coal generation events
System frequency shows improved resilience to sudden coal generation events since 2020.
Loy Yang A2 apparent trip from 443MW on Wednesday 25th June 2025
A very short midday article on Wednesday 25th June 2025 noting this apparent trip of LYA2 unit from 443MW just prior to 11:31 (NEM time).
ENTSO-E is also investigating the 28th April 2025 blackout on the Iberian Peninsula
For those interested in ‘what happened, why and what should be done about it’ with respect to the 28th April 2025 blackout on the Iberian Peninsula, ENTSO-E is...
Unplanned outage of Darlington Point – Wagga No.63 330 kV line
At 17:44 yesterday (Monday 23rd June 2025) the AEMO issued MN127743 noting an unplanned outage of Darlington Point - Wagga No.63 330 kV line (leading to the ‘N-DPWG_63_X5’...
A closer look at LOR projections in South Australia next Monday 30th June 2025
A quick look into those LOR forecasts for South Australia next Monday, including a view of forecasts for market demand, wind and solar conditions, and generator outages.
A 409MW drop in ‘Market Demand’ in Victoria on Tuesday 24th June 2025
Another short article about a large change in demand – this one being a 409MW drop in ‘Market Demand’ to the 12:10 dispatch interval (NEM time) on Tuesday...
Forecast LOR3 for South Australia for Monday 30th June 2025
Beginning Monday evening 23rd June 2025, the AEMO has forecast extremely tight supply-demand balance in South Australia (including possible load shedding) for Monday 30th June 2025.
New all-time record for NEM-wide wind, on Monday 23rd June 2025
We see a new record for NEM-wide wind production was set at 22:35 (NEM time) on Monday evening 23rd June 2025, with aggregate FinalMW reaching 9,491MW.
Red Electrica report on the “Blackout in Spanish Peninsula Electrical System on 28th of April 2025”
On Wednesday 18th June 2025 Red Eléctrica (REE) published on the “Blackout in Spanish Peninsula Electrical System on 28th of April 2025” .
The frequency of coal generation events in 2025
A count of coal generator events indicates large unit trips are less frequent.
‘June 12 was one of the most challenging days of the last 4 years’
It was with interest that one of our team members noted David Osmond’s comment earlier today when he said 'June 12 was one of the most challenging days...