Voluntary Scheduled Resources Guidelines published today, Thursday 27th Nov 2025
Guidelines have been developed to assist VSR Providers understand and assess the requirements for participation in central dispatch.
Market Reform
Extending the tabulated history of significant (Frequency and/or AggROT) events into 2025 Q3 and 2025 Q4
An update of earlier article (from 8th Sept 2025) comparing Frequency Excursions with instances of large AggROT across Semi-Scheduled units - for 2025 Q3 and 2025 Q4 (ytd).
AEMC commences consultation on two Rule Change proposals, to do with Contingency FCAS
On 20 November 2025, the AEMC published one consultation paper in relation to two Rule Change Proposals relating to contingency FCAS (size, and cost allocation).
Reflections from our presentation to the CEC this week: A stocktake on the CIS
Linton and I had the pleasure of speaking to the CEC on Wednesday, this short article shares a couple of slides from the presentation and a list of questions we're still pondering about the...
Bidding algorithms: Don’t miss the forest for the trees
Declan Kelly from Flow Power follows up an earlier article discussing the impacts of algorithmic bidding, this time looking at some of the market benefits.
Comparing AggROT for (44x) Coal Units with AggROT for Semi-Scheduled units through the history of the NEM
On Sunday (following from the discussion at the NEMdev conference in Brisbane a few weeks ago, and leading into this week’s All Energy 2025 in Melbourne) I highlighted these ‘Two *big concerns* that we...
Two *big concerns* that we urge the Nelson Review panel to (re)consider (with respect to Invisible Responses) following review of the Draft Report
With All Energy happening this week in Melbourne, plus the clock ticking down on preparations at the Nelson Review Panel for their final report, I've reached back to the NEMdev conference to write about...
AEMO announces that it’s ‘progressing transitional system security services’
A quick note to point readers here to the AEMO news update ‘AEMO progressing transitional system security services’ published today (Friday 24th October 2025).
How the NEM BESS fleet is operating on peak days, and how to be a savvy operator
In this guest article, Matt Grover from Fluence draws on operational data and real-world trading experience to unpack how Australia’s grid-scale batteries performed across three June 2025 peak days — and what capabilities belong...
Peeling the second layer of the onion, with respect to the (SemiSched-induced) frequency weakness on Thursday 16th October 2025
Having already noted the ‘Weakness in frequency stability on Thursday afternoon 16th October 2025’, we take a look at the causes - for the four high-profile dispatch intervals.
AEMC communicates two items, relating to a Review of the Integrated System Plan (ISP)
Amongst the many emails that hit my inbox recently was an email from the AEMC that spoke to the ‘Package of ISP reform underway’ – and specifically these two arms.
Some suggestions for the Nelson Review panel to consider (with respect to Forecasting) following review of the Draft Report
Following my presentation at NEMdev 2025 (on 8th Oct 2025), here are some suggestions that the Nelson Review panel might consider - with respect to forecasting.
Scarce use of aggregate dispatch conformance to-date
No Mixed aggregate dispatch groups have been registered.
Are CIS-ters doin’ it for themselves? Part 4: Policy lessons highlighted by the Nelson Review
In the final part of our four-part CIS series, we zoom out to examine what government-backed Contract-for-Difference schemes are really achieving — drawing on policy lessons from the Nelson Review.
Winners announced, for CIS Tender 4
One day after the conclusion of the inaugural NEMdev 2025 conference (during which the CIS was discussed), the announcement was made of the winners of the Tender Round 4 of the Capacity Investment Scheme.
What happens, when Supply ≠ Demand?
For short term reasons (related to the Nelson Review and the NEMDev conference) and longer-term reasons, we thought it was useful to post this as a stand-alone article now.
The Nelson Review panel ‘has identified’ the Schism
Continuing to walk through the draft Report of the Nelson Review, we see that the authors 'identified that most historic policy interventions have been incomplete' (i.e. speak to the Schism).
Are CIS-ters doin’ it for themselves? Part 3: Treatment of curtailment risk
In part three in this series about the CIS, we look at how a curtailment provision — briefly included in drafts for Tender 1 but later removed — may raise questions about how revenue...
Finally!! … A Major Review that sees (more closely) what’s actually been happening with Demand Response!
In part because I'm speaking at the NEMDev conference (Wed 8th Oct 2025 in Brisbane) we're taking a pass through the draft Report of the Nelson Review. Some (more realistic than earlier Reviews) statements...
3 high-level questions, for considering the draft report of the Nelson Review
Here's three high-level questions we've been trying to keep in mind, in our reading of the draft Report of the Nelson Review panel - for some belated (informal) submissions here on WattClarity.