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 site location.Read More
Seasonal Record of Events in the Market
Collections of events that we see happening in the NEM, categorised in terms of the seasons in which they occur.
A bout of severe weather for many parts of south-eastern Australia brought challenging weather conditions which appear to have impacted variable renewable energy forecasts for the NEM. The case study delves into forecast differences on the 7th, 8th and 9th of September 2023.
Some volatility in QLD and NSW on Tuesday 5th December 2023.
Guest author, Allan O’Neil, takes a detailed look at how VIC1-NSW1 transfer capability has been limited frequently due to constraints related to the 051 line in southern NSW, and what it means in terms of inter-regional settlements residue accumulations, market efficiency overall, and the energy transition.
Thunderstorms impacted parts of South Australia electricity system in the early hours of Tuesday morning, with two syncons tripping and around 30,000 customers experiencing outages.
On Monday the AEMO held their annual Summer Readiness Briefing for Summer 2023/24. Meanwhile, the ABC are reporting that the current El Nino has reached ‘strong intensity’.
A quick note about a forecast by AEMO of shortfall in system strength in NSW region for Tuesday 14th November 2023.
A quick record of Sun 12th Nov 2023, with ‘minimum demand’ dropping further in Victoria
A quick review of spot price volatility seen in South Australia on Thursday evening 9th November 2023.
With ez2view v188.8.131.52 released yesterday (Tue 30th Sept 2023) with enhancements to ‘Generator Outages’ we take the opportunity of some questions about Kogan Creek Power Station to have a look at the usefulness, and possible additional tweaks to make, to this software widget.
The very fast FCAS markets started on 9 October 2023 and now a Basslink outage presents a confusing situation for required and enabled levels.
As the SMS alerts continue, here’s an article to record the new low point for Market Demand in NSW on Sunday 29th October 2023.
A quick review of a short period of ‘Actual LOR2’ in the South Australian region on Friday evening 27th October 2023.
In a rare occurrence (and perhaps a sign of the times), we noted that the cumulative price in SA turned negative yesterday afternoon.
A short article on Saturday about an AER’s publication that was released in the past week … a review of 2023 Q3.
A quick initial article on Saturday morning 21st Oct 2023 about a significant loss of load in the Townsville area early this morning following a trip of some transmission elements.
The results of the recent MTPASA (Medium-Term Projected Assessment of System Adequacy), published on 17 October 2023, led a declaration of low reserve conditions in Market Notice 110284.
A short note to echo EnergyAustralia’s warnings (reported in the Australian) about possible coal supply issues for Mt Piper power station.
Seeing another reference to ‘Bouldercombe BESS only offline for a day’ on social media prompts this article, to prevent further misconceptions…
Echoing a question we’ve been asked – about the extent to which rooftop PV has been curtailed as a result of these minimum demand points.