Run of extreme prices in the SA region on Friday 8th December 2023
Prices in SA have spiked to close to the market cap and remained elevated, following the invocation of the ‘I-VS_250’ constraint set due to extreme weather conditions.
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.
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 site location.
Case Study – Severe Weather Challenges Day-Ahead Forecasts for 7, 8, 9 September 2023
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.
Brief period of spot volatility in QLD and NSW on Tuesday evening 5th December 2023
Some volatility in QLD and NSW on Tuesday 5th December 2023.
What’s happening around Wagga?
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 in South Australia impact ~30,000 electricity customers on Tuesday 28th November 2023
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.
AEMO holds 2023-24 Summer Readiness Briefing on November 13th 2023
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’.
Forecast low System Strength of concern in NSW for Tuesday 14th November 2023 … first time ever?
A quick note about a forecast by AEMO of shortfall in system strength in NSW region for Tuesday 14th November 2023.
Victoria’s ‘Market Demand’ low point drops further–on Sunday 12th November 2023
A quick record of Sun 12th Nov 2023, with ‘minimum demand’ dropping further in Victoria
Spot price volatility in South Australia on Thursday evening 9th Nov 2023
A quick review of spot price volatility seen in South Australia on Thursday evening 9th November 2023.
Media Release = ‘Capacity Investment Scheme supports NSW to deliver 1 GW of cleaner, cheaper, more reliable energy’
The Media Release from the NSW Department of Energy on 22nd November 2023 noting 1,075MW of new firming capacity in NSW – targeting operational date of December 2025.
An updated look at Kogan Creek performance in the past 60 days (re industrial action, bushfires, ambient temp, ez2view enhancements, and more)
With ez2view v9.8.5.1 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.
Challenges with a global-only FCAS requirement
The very fast FCAS markets started on 9 October 2023 and now a Basslink outage presents a confusing situation for required and enabled levels.
Minimum Market Demand in NSW drops lower still, on Sunday 29th October 2023
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.
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.
Cumulative price in SA goes negative on October 26th 2023
In a rare occurrence (and perhaps a sign of the times), we noted that the cumulative price in SA turned negative yesterday afternoon.
On Thu 19th October, the AER published Quarterly Review for 2023 Q3
A short article on Saturday about an AER’s publication that was released in the past week … a review of 2023 Q3.
Brief loss of load around Townsville in the early hours of Saturday morning 21st October 2023
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.
Low reserves projected post Eraring closure… and earlier?
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.
Possible coal supply issues at Mt Piper coal-fired power station to last until the end of 2023?
A short note to echo EnergyAustralia’s warnings (reported in the Australian) about possible coal supply issues for Mt Piper power station.