Today’s Presentation at the CSIRO and DFAT’s System Planning Workshop
A short post to note our presentation for the CSIRO's South-East Asian System Planning Workshop in Brisbane this afternoon, and the analysis we shared.
A short post to note our presentation for the CSIRO's South-East Asian System Planning Workshop in Brisbane this afternoon, and the analysis we shared.
An updated look (as at 14:10 on Thu 28th Aug 2025) of expected return to service for YWPS2
We follow on from A 292MW drop in "Market Demand" in Tasmania, on Saturday 16th August 2025 enlisting this "Part 2" to understand the sequence of events using 4-second...
We assess whether the trip at Yallourn 2 on 26 August 2025 was large enough to drive a frequency disturbance.
As the 5th article in an evolving series that progressively explores the (apparent self-forecasting glitch and) frequency spike on Tuesday 19th August 2025, we take an early look...
A very short article with a snapshot from ez2view at the 11:15 dispatch interval – highlighting that Lower 1-second FCAS prices in the South Australian region are spiking...
A first article about an unplanned (and potentially significant) outage at Yallourn unit 2 that began on Tuesday 26th August 2025 due to 'LP turbine issues'.
A short note with a snapshot of the ‘Generator Outages’ widget in ez2view (at 08:30 on Wed 27th Aug 2025) to highlight some coal units offline.
Following from the release of the 2025 ESOO last Thursday, the subsequent weekly MT PASA run warns of *forecast* LRC (and unserved energy) in South Australia.
An article in the Australian by Colin Packham prompts a look in AEMO data about expectations for when Tamar Valley CCGT might be switched off.
On Sunday 24th August 2025, Administered Pricing for FCAS in South Australia ended ... when will the ‘S-TBTU’ constraint set re-emerge?
Earlier today we trended the incidence of large Aggregate Raw Off-Target across all Semi-Scheduled units. In this updated tabulated list, we list each of the largest instances from...
It's ~18 months since we took a look at the trend of large instances of Aggregate Raw Off-Target across all Semi-Scheduled units. In this article we update the...
The (concerning) frequency spike across the NEM in the middle of the day (Tuesday 19th August 2025) has triggered many proximate questions - understandable - but also has...
On Thursday 21st August 2025 (a week earlier than I'd anticipated) the AEMO has released its 2025 ESOO.
Amongst the news articles this morning that are energy related was one noting a possible delay to the closure of Torrens Island. We take a quick look...
It appears it was unit availability used to set the target for dispatch that went awry, rather than unit output.
Oliver Nunn from Endgame Economics argues that we must begin to think about the distribution of prices in the NEM as a function of weather.
With Administered Pricing in South Australia ongoing today, we take a longer-term look (across the past ~50 days) in the escalating pressure on Cumulative Price for LOWER1SEC FCAS...
Part 3 in an evolving series of articles about a series of the network outage(s) on the Tailem Bend - Tungkillo 275kV line that's driven LOWER1SEC prices through...