NEM-wide IRPM drops to 10.34% on Thursday evening 12th June 2025
Another quick article about the low IRPM (instantaneous reserve plant margin) on Thursday 12th June 2025.
tight supply-demand
Spare capacity in South Australia drops below 100MW on Wednesday evening 12th February 2025
A follow-on article focused on the 19:00 dispatch interval on Wednesday 12th February 2025 in South Australia (a very tight period for supply-demand balance).
AEMO declares ‘Actual LOR2’ in QLD on Wednesday 22nd January 2025
So only seconds after(?) we’ve posted this third article, the AEMO publishes MN123594 at 18:43:09 noting 'Actual LOR2' in QLD on Wed 22nd Jan 2025.
NEM-wide IRPM below 15%, on Thursday evening 5th December 2024
On Thursday 5th December 2024, the sun’s set now (at least in Brisbane) and the SMS alerts have begun to trigger because the NEM-wide IRPM has dropped below the 15% alert trigger level.
Trended NEM-wide IRPM over 9 days in June 2024
A short article in conjunction with GenInsights Quarterly Updates for 2024 Q2, trending NEM-wide IRPM over 9 days in June 2024.
190 minutes of low IRPM (reaching 11.01% at 18:05) on Thursday evening 20th June 2024
A brief recap on another consecutive evening of low NEM-wide IRPM - on Thursday 20th June 2024.
Low IRPM eventuates (as low as 10.89%), as expected, on Tuesday evening 18th June 2024 .. reaching 120 minutes
A contemporaneous record of a run of low IRPM on a NEM-wide basis that's reached 120 minutes long.
90-minute run of IRPM < 15% on Monday evening 17th June 2024
Second article this evening (Mon 17th June 2024) adding some more detail to the tight supply-demand balance, hence low IRPM, this evening.
Curtailment of Large Solar in NSW on Thursday afternoon 29th Feb 2024 exacerbated the price volatility
A quick look back at Thu 29th Feb 2024 - a day where afternoon (congestion-based) curtailment of Large Solar in NSW exacerbated the tight supply-demand balance and spot price volatility.
‘Market Demand’ in NSW above 13,000MW in mid afternoon Thu 29th Feb 2024
A mid-afternoon update about NSW on Thu 29th Feb 2024.
What’s running, and what’s not, in QLD late on Friday afternoon 19th January 2024?
A short note to help readers see what units are currently running on a hot & humid Friday afternoon 19th Jan 2024 in QLD (and to highlight some up-coming changes to ez2view).
Demand (and price) spiking in QLD on Thursday afternoon 18th Jan 2024
A third article (first on the day) looking at tight supply-demand balance in the QLD 'Economic Island' on Thursday 18th January 2024
Belated notice from the AEMO about RERT contracted for yesterday (Thu 14th Dec 2023)
It's Friday morning and AEMO has just published a Market Notice to alert the market that RERT was contracted for yesterday evening in NSW (Thu 14th Dec 2023).
Actual LOR2 in NSW from 17:30 on Thursday 14th December 2023
'Market Demand' has ramped back up, leading to an 'Actual LOR2' low reserve condition in NSW on Thu 14th Dec 2023
NSW ‘Market Demand’ climbs past 13,000MW – and IRPM drops – but prices stay moderate
NSW 'Market Demand' exceeds 13,000MW for the first time today (Thu 14th Dec 2023)
Case Study (Part 2) of Low % VRE NEM-wide on 3rd and 4th July 2023
The second part of an ongoing case study examining two successive days of low VRE generation in early July 2023. This part examines IRPM, earlier forecasts of available generation and maps the availability by...
Brief period of ‘Actual LOR2’ in the SA region Friday evening 27th October 2023 with low wind and constrained imports
A quick review of a short period of 'Actual LOR2' in the South Australian region on Friday evening 27th October 2023.
Evening volatility in QLD and NSW on Wed 21st June 2023
A quick report on some market volatility in QLD and NSW on Wednesday 21st June 2023.
A cold evening drives NEM-wide demand high, and IRPM low, on Tuesday 20th June 2023
The 'Australian Energy Week' conference this week in Melbourne, and the NEM this evening has given a real-time example of some energy transition challenges.
IRPM drops below 15% on Tuesday 23rd May 2023
A short article this evening noting IRPM has dropped below 15% on a NEM-wide basis (a tight supply-demand balance).