Fire at Tungatinah Hydro Power Station
Fire has damaged Tungatinah Hydro Power Station in Tasmania, out indefinitely.
Eventful Days
AEMC publishes consultation paper on ‘Dispatch limits for inverter-based resources’ Rule Change Proposal
Last Thursday 27th August 2026, the AEMC published a consultation paper with respect to ‘Dispatch limits for inverter-based resources’.
Did ‘Three Hours Free Power’ produce a ~500MW unforecast jump in ‘Market Demand’ in Victoria on Fri 28th August 2026?
We noted a ~500MW jump in 'Market Demand' in Victoria just after 11:00 on Friday 28th August 2026 that was not forecast in advance. We wonder about 'three hours free' effects...
Only a small frequency drop, with rare full-load trip of Stanwell unit 3
The Stanwell Power Station coal units are some of the best performing coal units in the NEM … which is what made this full-load trip on Thursday 27th August 2026 just prior to 12:00 unusual.
Curious about the Quorn Park Hybrid station in NSW? I was…
Prompted by a RenewEconomy article, curiosity about the new Quorn Park Hybrid Facility (Solar/BESS) led me to this article.
Solar stop test completed in South Australia
On Tuesday 25 August SA Power Networks had planned to conduct its annual test of its ability to temporarily curtail rooftop solar generation.
The grand ESOO Switch-a-Roo continues in 2026 … but hasn’t that approach jumped the shark?
This article is a first look inside the 2026 ESOO. It looks more at how the modelling is framed, and results presented - rather than the details of the modelling itself.
AEMO releases 2026 ESOO on Tuesday 25th August 2026
Breaking a run of a Thursday Release in late August over 3 consecutive preceding years, the AEMO released the 2026 ESOO on Tuesday 25th August 2026. Here's a first article, with links to news media coverage.
Tamar Valley CCGT online again (from Monday 24th August 2026), after a ~3 day outage
Noting that the Tamar Valley CCGT station switched back online again, from Monday afternoon 24th August 2026.
Tarong unit 3 offline for major outage
For reasons I won’t go into here, we’re taking a particular interest in the major (planned) outage at Tarong unit 3 - with the unit coming offline yesterday (Friday morning 21st August 2026), and planned to be offline until Friday 6th November 2026.
Our current hypothesis, for the strange-looking modelled results in Monday’s MT PASA data, relating to PEC Stage 2
Earlier this week, we looked at the first round of AEMO modelled MT PASA results for the Project EnergyConnect, and had some questions. After some digging, we think we understand...
Tamar Valley CCGT switched off, on Thursday 20th August 2026
Our ez2view alerts notified me that Tamar Valley CCGT in Tasmania finally came offline on Thursday morning 20th August 2026 (after an operational period of more than 30 days).
Australia’s East Coast winter gas market softens as volatility rises
Krishan Pal Birda from Rystad takes a look at winter 2026 gas demand in south-eastern Australia, and explores what it might mean for future years.
Whether the weather is windy … but wind farms not as well-yielding as I might have thought?!
Something I'm currently puzzled about, with respect to the trend of peak aggregate production across Wind Farms.
One more view of that (first results from) this week’s MT PASA data, relating to PEC Stage 2
Following this morning's article, here's one more view (via ez2view) of PEC Stage 2 in the first MT PASA solutions run.
Notable volatility in ‘Market Demand’ on Wednesday 19th August 2026
A short note about some gyrations in 'Market Demand' we've seen, on Wednesday 19th August 2026.
A first look at the lengthy (double-banger) outage on the Poatina Hydro Station in Tasmania
Following a reader's comment earlier in the week, we take a first look at the major planned outage at Poatina Hydro station.
A first look at PEC Stage 2 in AEMO’s MT PASA weekly data set
I was curious to see how the PEC Stage 2 (i.e. NSW1-SA1) is being represented in the new data sets now appearing in the MT PASA process. Hence this initial view, which prompts questions.
What’s happening in ~2 weeks, with respect to development and commissioning at Kidston Pumped Hydro (or associated network)?
A conversation with a client on Tuesday 18th August 2026 coincided with me noticing the looming end to some 'zero output' constraint sets for Kidston Pumped Hydro ... so that prompts an updated view of expected operations date.
Over one month of continuous production at Tamar Valley Combined Cycle
Whilst we’re speaking about events on Saturday 15th August 2026, worth also noting that today marks over one month of ongoing production from the Tamar Valley combined cycle plant in Tasmania.