The final report of the Nelson Review has been released alongside a ministerial council communique, with ministers agreeing in principle to the review’s core recommendations, with the exception of Queensland.
Allan O'Neil unpacks a proposal under consideration by the AEMC to apply “runway” cost allocation to contingency FCAS, explaining how this could materially change who pays for frequency security in the NEM.
At 16:16 (NEM time) on Wednesday 10th December 2025 there was an unplanned outage of Yass - Marulan 5 330kV line.
Whilst today saw the release of the draft 2026 ISP, some 'challenges of the future' are already here today - such as the increasingly large and common gyrations in 'Market Demand' seen in South...
We can see that the frequency weakened late in the afternoon (Wednesday 10th December 2025), falling down towards the Normal Operating Frequency Band.
We thought it might be useful to point directly to the 61-page report ‘Managing the Transition to Renewable Energy’ by the Victorian Auditor-General.
Today (Wednesday 10th December 2025) the AEMO has released the much-awaited* draft of the (upcoming 2026 iteration of the) Integrated System Plan .
A look at how AEMO’s short-term forecasts have performed at the daily peak in Queensland over the past seven summers — and how that performance is changing as rooftop PV grows.
Third article in the series, we take a look at the specifics of how much of Wellington North Solar Farm is back online (at Tuesday morning 9th December 2025).
There was some early morning price volatility in South Australia on Monday 8th December 2025 - a social media update from Michael Caravaggio from EPRI internationally prompts this article.
Allan O'Neil unpacks a proposal under consideration by the AEMC to apply “runway” cost allocation to contingency FCAS, explaining how this could materially change who pays for frequency security in the NEM.
Anthony Cornelius from WeatherWatch explains the climate drivers behind Southeast Queensland’s unusually intense 2025 hail season — context that matters for those tracking how extreme weather is evolving and influencing the energy market.
A look at how AEMO’s short-term forecasts have performed at the daily peak in Queensland over the past seven summers — and how that performance is changing as rooftop PV grows.
This article looks at the N::N_CNLT_2 transient stability constraint on Tuesday to give an example of why some NSW batteries ended up charging through Tuesday’s price spike.
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).
A summary of a recent academic case study looking into the events of January 22, 2024 in the QLD region, revealing how DER dynamics, weather variability and forecast limitations are amplifying operational challenges.
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.
Some of our readers will be interested to note that the Factual Report into the ‘Grid Incident in Spain and Portugal on 28 April 2025’ was released on 3rd October 2025.
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...
In part two of this four part series about the success of the CIS so far, we explore why delivery challenges may have emerged.