Adoption and use of dispatch self-forecasting for solar units, Q1 2025
47% of dispatch intervals for semi-scheduled solar units are seeing a self-forecast used. When there are gaps, was the unit suppressed?
Headline Reports
AEMO and AER quarterly digests for 2025 Q1 released on the same day (Wednesday 7th May 2025)
We noticed last week that both quarterly digests from the AEMO and the AER for 2025 Q1 were released on the same day – Wednesday 7th May 2025.
Adoption and use of dispatch self-forecasting for wind units, Q1 2025
We summarise how wind units are using self-forecasting to-date. The analysis leads us to consider where upcoming market change may lead the industry.
Reliability Panel comments on AEMO’s Transition Plan for System Security on 23rd April 2025
The Reliability Panel responded to the AEMO’s first iteration of the annual Transition Plan for System Security (TPSS) with comments with this 4-page letter on Wednesday 23rd April 2025.
Overview of Regulation FCAS costs in 2024
This article reviews regulation FCAS costs in 2024, relative to maximum capacity, and uncovers drivers behind high non-scheduled unit costs.
Is VRE forecastable? (Part 1 in what might be a series)
Over many years we've invested deeply in analysing the nuanced answer to the question 'Is VRE Forecastable?'. This article (which has almost been posted many times before) is triggered today by yet one more...
The state-of-charge for 2024: The highs and lows of the big battery boom
Following on from a similar review this time last year, Dan provides an updated look at the economics and performances within the NEM's big battery fleet, making use of our recently released GSD2024.
A look at curtailment through the GSD2024
After reviewing the latest version of our Generator Statistical Digest (GSD), David Leitch shares his top insights about VRE curtailment across the NEM in 2024.
Indicators of solar farm performance with GSD2024
Seeking indications of possible performance at solar sites announced in the CIS tender of 2024, we inspect statistics of nearby solar farms using the GSD2024.
New FCAS resources dominate enabled levels in 2024
Using the latest GSD – GSD2024 – we take the opportunity to reflect on FCAS enablement and how enabled levels are changing between technology types.
The GSD2024 (Generator Statistical Digest 2024) is released
It's Wednesday 5th February 2025, and we* are pleased to release the GSD2024 … following a focused effort across both teams over the period since the changeover from 2024 into 2025. Some details here,...
Shortly after the QED, the AER also publishes is Quarterly Review of 2024 Q4
Also on Thursday 30th January 2024 the AER released its Wholesale Markets Quarterly for 2024 Q4 (within hours of the AEMO's release of the QED for 2024 Q4).
AEMO’s Quarterly Energy Dynamics (QED) for 2024 Q4
On Thursday 30th January 2025, the AEMO published its Quarterly Energy Dynamics for 2024 Q4. Here's some of the coverage of that which we have seen ....
About flexibility at Mt Piper coal-fired power station … another ‘sign o the times’
Yesterday, our team produced ‘not-for-dissemination early draft’ of the GSD2024. We take a look through this (and use ez2view) to explore reports of a trial of 'two-shifting' (and other enhancements to flexibility) for the...
AER released its ‘Wholesale Electricity Market Performance Report 2024’
Adding one more to the ‘Xmas Reading List*’ was the AER in publishing its ‘Wholesale Electricity Market Performance Report 2024’ on Friday 20th December 2024.
January’s final report ‘Review of the Integrated System Plan’ for the Ministerial Council is noted in the Senate
One of the things I noticed on social media over the past week or so (emanating out of the current Senate Committee on Energy Planning and Regulation in Australia) was the the enhanced visibility...
AEMO releases Transition Plan Report, December 2024
The 2024 Transition Plan for System Security ties together many of the threads identified in previous AEMO studies in developing this plan for managing system security in a low emission power system.
What’s the 2024 ESOO say about Data Centres?
For ease of future reference (with more analysis coming - time permitting) we've extracted what we can find in the 2024 ESOO about Data Centre electricity consumption, and growth forecasts.
AEMO calls for tenders for supply of RERT (in South Australia) for summer 2024-25
After releasing the 2024 ESOO on Thursday morning 29th August 2024, in the afternoon the AEMO called for tenders for supply of RERT (Reserve Trader) in South Australia for summer 2024-25.
What’s the 2024 ESOO assume, in terms of coal unit performance?
In this article we explore the 2024 ESOO, and linked documents, in terms of what's assumed for coal unit EFOR - and why, in the light of recent improvements in coal unit performance (compared...