Six different lenses to view the ESOO 2025 … giving wildly different perspectives
About 4 weeks ago the 2025 ESOO was released. In this article we highlight 3 x 2 different ways this might be viewed - and note some other dimensions not considered.
Headline Reports
‘the ISP Step Change Scenario is divorced from reality’
A short note about some comments made by Oliver Nunn during the 'Faster than Forecast' session at Queensland Clean Energy Summit on Mon 15th Sept 2025.
Following the 2025 ESOO, MT PASA shows forecast Low Reserve Conditions in the South Australian region (Dec 2026 to March 2027)
Following from the release of the 2025 ESOO last Thursday, the subsequent weekly MT PASA run warns of *forecast* LRC (and unserved energy) in South Australia.
AEMO releases 2025 ESOO on Thursday 21st August 2025
On Thursday 21st August 2025 (a week earlier than I'd anticipated) the AEMO has released its 2025 ESOO.
AGL considering State Government request to keep Torrens Island open for two more years
Amongst the news articles this morning that are energy related was one noting a possible delay to the closure of Torrens Island. We take a quick look...
The ‘2025 Victorian Transmission Plan’ released on Sunday 17th August 2025
On the weekend we noticed the release of the 2025 Victorian Transmission Plan, and thought it worth flagging here.
AEMO’s Quarterly Energy Dynamics for Q2 2025
A brief note that AEMO's Quarterly Energy Dynamics for Q2 2025 is published.
CSIRO releases the 2024-25 GenCost Final Report on Tuesday 29th July 2025
The CSIRO published the final version of their 2024/25 GenCost report yesterday.
AEMO releases the 2025 Enhanced Locational Information (ELI) report on Wednesday 9th July 2025
A short post to note that the AEMO has released its 2025 ELI, the second such edition of this annual report.
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?
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,...