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).
All Posts
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 understanding of what these changes represent.
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 FPP.
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.
Guest Authored Posts
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.
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 his keynote at the ESS two...
Detailed Analysis
Need for speed: How long has each battery project in the NEM taken to deliver?
Elon Musk's '100 days or it's free' offer was made almost exactly 7 years ago - how much longer or shorter have battery development delivery times changed since then?
State-of-charge: a peek into the economics and performances within the NEM’s battery fleet
A review of battery storage market performance in the NEM throughout 2023, a year in which where we saw the battery fleet double in size.
A quick first pass through ENERGY bids (for Victorian units) on Tuesday 13th Feb 2024
Five days after Tuesday 13th February 2024 we have a bit of time to take this initial (top-down) look at bidding for ENERGY in the Victorian region on that day ... with 27 Questions/Observations...
The Generator Statistical Digest 2023 (GSD2023) is released
It's Thursday 15th February 2024 and (in amongst the detailed analysis relating to Tue 13th Feb 2024 in Victoria) we're releasing the GSD2023 ... the Generator Statistical Digest for the 2023 calendar year.
Some *initial* headline questions following the transmission damage, unit trips & loss of load, initiated on Tuesday 13th February 2024
What happened yesterday (Tue 13th Feb 2024) in Victoria was a significant event in the history of the NEM - and the flow on effects will be felt for weeks and months (even years?)....
GSD 2023 Uncovers Features in FCAS Enablement and Bidding
The release of GSD2023 supports a deep dive into its 10-year FCAS history section. We inspect three units of differing technology and make use of the data extract to uncover trends in participation.
Putting Monday’s record-breaking demand in QLD into context (22nd Jan 2024)
Still trying to make sense of what did and didn't happen in QLD last night, Dan Lee provides some context to how yesterday's record-breaking demand compares to similar historical events.
The early wind farms reaching 20 years: how are they performing?
With Challicum Hills Wind Farm recently celebrating its 20th anniversary, Dan Lee takes a look into the long-term trend of technical and commercial performance of the oldest wind farms in the NEM.