The current burst of production at Tamar Valley CCGT coming to an end, on Thu 28th August 2025?
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.
Energy Transition
A large collection of articles pertaining to the ongoing ‘Energy Transition’ in any of a number of ways.
Specific sub-categories relate to such things as Coal Closure, and other aspects of the transition.
Three broader questions (re)triggered by the Frequency Spike on Tuesday 19th August 2025
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 raised these 3 Broader Questions.
AGL considering State Government request to keep Torrens Island open for two more years
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...
The increasingly stochastic and volatile NEM
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.
Eraring Power Station in the news, again … might stay open (even) longer
Briefly recapping some of the news pertaining to Eraring Power Station over the past two days.
Turbine availability at Bulgana wind farm
We use the elements available dataset to better understand turbines available at Bulgana in recent months.
Commencement of (testing) operations at Hunter (Kurri Kurri) GT in NSW
We saw first output from the HUNTER1 unit (the first of two at Snowy Hydro's new peaker) on Sunday 27th July 2025. So we're looking a little further, in this article.
Recapping operations at Waratah BESS (including enablement for SIPS) … to August 2025
The Waratah Super Battery System Integrity Protection Scheme (SIPS) was enabled by TransGrid at last Friday 1st August 2025. This prompts this look back on operations thus far.
Transgrid’s Project Assessment Conclusions Report for System Strength released on Monday 14th July 2025
Transgrid's Project Assessment Conclusions Report for System Strength assessed more than 100 individual solutions aimed at helping to meet its system strength obligations under the National Electricity Rules.
Review of the System Restart Standard 2025 – Technical advice provided
As the technologies underpinning the power system change, so too must the approach to supporting system restart.
Not all renewable projects are created equal: Why approval times vary dramatically across Australia
Alice Matthews examines how approval times for renewables vary widely by state and technology — with NSW wind projects facing the longest delays.
Directions Paper adjusts approach to loop IRSR
Under the new direction proposed, netting off would be applied to allocate IRSR. The proposal is open for feedback until 10 July 2025.
VNI West given an official two year delay, with expected completion date pushed back to late 2030
Transmission Company Victoria (TCV) yesterday announced a two-year delay to the project delivery timeline for the VNI West project.
East coast low brings challenging conditions for start of July in 2025
The weather forecasts are alerting to the formation of an East Coast Low this week. The low is expected to sit just off the eastern cost of Australia, adjacent New South Wales.
AER approves application for Basslink to be converted into a regulated transmission service
After rejecting an earlier proposal, the AER has today approved the conversion of Basslink into a regulated transmission service.
Wholesale Demand Response Capacity in June 2025
WDR capacity has increased by 23 MW since our last look, and much of it happened recently.
We need more research on storage trading
In this guest post, Greg Williams calls for more research into how storage bidding—particularly auto-rebidding—is reshaping price formation and competition as flexible assets take centre stage in the NEM.
North-south switcheroo as solar conditions swing opposite directions over Autumn 2025
Rainfall and cloud cover has split Australia this autumn, delivering a mixed bag of solar irradiance conditions for solar farms across the NEM.
Battery bidding is reshaping FCAS — But Demand Response remains a strategic asset
Paul Moore of Viotas look at recent supply-demand dynamics within the contingency FCAS markets and whether demand response can play a role.
Examples of self-forecasting behaviours – part 5 – afternoon underestimations
A sequence of afternoon intervals stand out because the forecast appeared to be biased low – self-forecasts suddenly dropped roughly 30-40 percentage points and then increased a short time later.