Price blip in QLD and NSW on Tuesday 8th April 2025
Following yesterday's (more sustained) volatility in QLD and NSW, here's a record of an evening blip in QLD and NSW on Tuesday 8th April 2025.
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Evening volatility in NSW and QLD on Monday 7th April 2025
A very short article with this snapshot from NEMwatch at 17:50 (NEM time) on Monday 7th April 2025 to mark some evening volatility in NSW and QLD.
The challenge of imperfect foresight: Storage operation in a highly renewable NEM
Josh Boegheim from Powerlink discusses the limitations of perfect foresight assumptions for system planning—and shares results from a recent study that simulated energy storage dispatch using deterministic and...
Questions and concerns, about proposals to shift the ~23 second dead zone within the Dispatch Interval (ICF002)
5th article in a series, about the AEMO's ICF0002 initiative (and prior to tomorrow's EWCF Meeting) - to identify some questions and concerns.
There are actually several different ramp trajectories that are material to dispatch in the NEM
As promised in prior articles, here's an illustration of (some of the) different Ramp Trajectories considered in Dispatch within the NEM.
Why we have reservations about the possible solution AEMO has been considering (to date) in ICF002
4th article in a series, about the AEMO's ICF0002 initiative - clarifying 2 approaches might (possibly) be explored to resolve.
Frequency drop with trip of Callide C3 on Friday 4th April 2025
A quick record of unit trip at CPP3, and associated frequency drop, on Friday 4th April 2025.
The growing NEM BESS fleet: Who is controlling all this capacity, anyway?
Matt Grover from Fluence shares insights into the NEM's growing big battery fleet and what it means for the market and their operators. This article follows on from...
What is the real size of Australian corporate demand for Renewable Energy?
Tristan Edis from Green Energy Markets explores the current state of voluntary corporate demand for renewable energy, amid signs that LGC prices have fallen to near-historic lows.
What’s the AEMO been considering, as a possible solution to the delayed receipt of Target?
3rd article in a series, about the AEMO's ICF0002 initiative - and a possible 'solution' being considered (but for which we have concerns).
What’s the problem(s) with dispatch targets arriving ~20 seconds into the Dispatch Interval?
2nd article in a series, about the AEMO's ICF0002 initiative (re problems with the ~20 second lag in receipt of Dispatch Target).
Challenges in ‘Time taken for Dispatch Targets to be made available to participants’ (ICF002)
1st article in a series, about the AEMO's ICF0002 initiative (specifically the content in EWCF meeting on 19th March 2024).
Frequency excursion on Monday 31st March 2025
A very short article to note an apparent mainland frequency excursion (just prior to 17:00 NEM time on Monday 31st March 2025).
Three themes from the Energy Storage Summit 2025
Dan provides a brief write-up of his notes from attending the Australian Energy Storage Summit in Sydney last week.
Two diagrams to help illustrate the changes coming with FPP (Frequency Performance Payments)
We've facilitated a number of articles on WattClarity relating to the looming FPP changes (now 10 weeks away). Here's two images I've drawn up to (hopefully) illustrate my...
Generator exposure to regulation costs under FPP
In his third article, Jack Fox uses the Non Financial Operation (NFO) data to take a look at some VRE units, and how they would have performed under...
How did Cyclone Alfred impact electricity demand?
By day-end on the Friday the 7th demand levels were down more than 40% in the Gold Coast. Other areas were also impacted.
Today’s presentation to CEC’s Market & Grid Directorate
We thank the Clean Energy Council for the opportunity to share insights into revenue trends, cost trends, and analysis of upcoming changes for units operating in the NEM.
The top 10 batteries under FPP
In his second article, Jack Fox uses the Non Financial Operation (NFO) data to take a look specifically at batteries, and how they would have performed under FPP.
Back to forecast LOR2 for NSW for this evening (Sunday 16th March 2025)
A quick note showing the re-emergence of forecast LOR2 with a climbing forecast for evening demand in NSW.