Short burst of high prices in QLD and NSW on Wed 9th Apr 2025
A string of SMS alarms alerts us to another burst of high prices in the two northern regions, early this evening
All Posts
First address by QLD’s new Energy Minister (David Janetzki) at Queensland Energy Club on Tuesday 8th April 2025
Yesterday (Tue 8th April 2025) we were pleased to be able to host a table at the biggest Queensland Energy Club lunch event of all the ones that we’ve attended. Here's a summary...
A few stories in (coal) generator outages (at Wednesday 9th April 2025)
Here a view of the ‘Generator Outages’ widget in ez2view at the 07:55 dispatch interval on Wednesday 9th April 2025.
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.
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 stochastic forecasting approaches.
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.
Guest Authored Posts
Aligning business cases with the current, and future, reality
Following his presentation at the CEC's Wind Industry Forum, Jonathon Dyson shares lessons learned from helping developers and operators of wind projects in solidifying their business case.
Do we have enough gas to wait until nuclear comes along?
Tristan Edis of Green Energy Markets discusses the practicalities of the gap that must be filled by the gas sector under the nuclear power timeline proposed by the Federal Opposition.
Detailed Analysis
Demand Response as Market Participant: Square Peg in Round Hole?
A year ago we reviewed the market outcomes of wholesale demand response (WDR) in the NEM. It’s been 2 years now, providing a new milestone from which to review participation and impact. Can we...
Long or short on storage? A look into price signals for duration
Dan Lee looks into utility-scale storage in Queensland - including the need for megawatt-hours, the state of the build-out, and the current market price signal for duration.
GenInsights Quarterly Update for Q2 2023 released
A quick note to mark the the release of GenInsights Quarterly Update for Q2 2023 last week.
What inputs and processes determine a semi-scheduled unit’s availability
It is indispensable to understand how the semi-scheduled unit availability gets produced to optimally manage the critical inputs and comprehend dispatch outcomes. This article explains the key inputs and processes, focusing on the dispatch...
Another research paper into solar and wind droughts in Australia
A quick note at another research paper (focused on an area of interest to us) that's crossed our field of vision.
Digging further into ‘Aggregate Scheduled Target’, to understand what Dispatchable Capacity is actually required
In conjunction with the analysis done to complete GenInsights Quarterly Update for Q1 2023 (released today), here's 14 years of daily data of 'Aggregate Scheduled Target' that might help to illustrate the aggregate requirement...
GenInsights Quarterly Update for Q1 2023 released
A quick note on Wednesday 31st May 2023 to mark the release of GenInsights Quarterly Update for Q1 2023.
Case Study of 17:05 on 27th October 2022… Part 4: the geographical spread of +861MW AggROT
In the fourth instalment of this ongoing case study, Dan Lee maps the locations and contributions of the semi-scheduled units that contributed to the +861MW Aggregate Raw Off-Target that occurred on the afternoon of...