AEMC releases July 2024 working paper ‘Addressing the risk of algorithmic collusion’
Today we were alerted that the AEMC had belatedly published this 15-page Staff Working Paper titled ‘Addressing the risk of algorithmic collusion’.
Market Reform
An updated tabular list of instances of large AggROT across Semi-Scheduled units
Earlier today we trended the incidence of large Aggregate Raw Off-Target across all Semi-Scheduled units. In this updated tabulated list, we list each of the largest instances from January 2024 to June 2025.
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.
Submissions due today (Thu 14th Aug 2025) on the AEMC draft report ‘Review of WDRM’
A belated note that the AEMC published a draft report on their review of the (nearly 4 year old) WDRM initiative - and noting that submissions close today.
Submissions closing tomorrow (Wed 13th Aug 2025) to AEMO consultation on ‘Primary Frequency Response Test Guidelines for Semi-Scheduled Plant’
Worth noting, as I've just become aware, that submissions close tomorrow on AEMO's consultation on Primary Frequency Response (PFR) Test Guidelines for Semi-Scheduled Plant
Would it even be possible – to operate the NEM to achieve 82% renewable energy in 2030 (if the Semi-Scheduled category continues in its current form)?
Yesterday's release of the draft report of the Nelson Review has prompted me to re-frame a question I've asked before about the Semi-Scheduled category.
Video recording of presentation by the Nelson Review panel (on Wed 6th Aug 2025), hosted by The Energy, available now
Yesterday (Wed 6th Aug 2025) we saw the draft report from the ‘Nelson Review’ Panel released ... followed by a presentation by the panel members facilitated by The Energy. The recording of this webinar...
Draft Report from the ‘Nelson Review’ Panel is released, on Wednesday 6th August 2025
In yesterday’s wrap of the past 5 weeks, I’d noted that Tim Nelson (when speaking at #ACES2025 last Tuesday) said that the Panel had not quite finished the draft report, but it was ‘imminent’....
Frequency performance payments 44 days in, part 2
Categories with a longer bar left of zero are losing more of their spot energy market revenue to regulation and PFR costs.
Today marks the go-live date for the AEMO’s new unit-level availability data and other STPASA changes, on 31st July 2025
New unit-level availability data and other changes to the STPASA process are scheduled to go live from today.
Frequency Performance Payments 44 days in
An initial review of payment and cost outcomes of the first 44 days of financial operation of the FPP arrangements.
To what extent does the Capacity Investment Scheme cover curtailment risk, and how to interpret its ‘force majeure’ terms?
An open question to our readers.
Market Price Cap increases to $20,300/MWh from today, 1st July 2025
With the start of the new financial year, today marks the first step in the AEMC’s staged reform of the Market Price Cap, with it rising to $20,300/MWh — the first of three scheduled...
Next steps in two big market changes (in terms of transparency)
Worth a short note today (Friday 27th June 2025) to note the publication of MN127877 – which references two market changes that will improve market transparency for all types of participants
AEMO launches consultation to update Negative Residue Management automation procedures
The AEMO has kicked off a consultation to overhaul its automated negative residue management processes ahead of Project Energy Connect forming a new transmission loop in the NEM.
AEMO ‘Industry Go Live Plan’ for ERI and ST PASA Recall Period
Belatedly noting the AEMO's publication of the Industry Go Live Plan for the ERI and ST PASA changes.
AEMO publishes Draft Report (Security Enablement Procedure – Improving Security Frameworks)
Yesterday (Friday 13th June 2025), the AEMO published both a Draft Report, and Draft Procedures for Security Enablement (as part of the ISF changes in 2025)
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.
The commencement of Frequency Performance Payments (FPP)
Yesterday (Sunday 8th June 2025) saw the commencement of the new Frequency Performance Payments (a.k.a. FPP) method.
Slides circulated, from the Nelson Review briefings during May 2025
Given the instructions were ‘Feel free to share it more widely with your colleagues and networks’, here's the slide deck from the Nelson Review presentations through May 2025.