Spot price volatility in South Australia on Wednesday evening 5th November 2025
A very short article with a snapshot from NEMwatch at 19:30 on Wednesday evening 5th November 2025 to mark some evening volatility.
All Posts
The implications of the Solar Sharer Offer (SSO) and Default Market Offer (DMO) review outcome on energy sellers
In this guest-authored article, Connor James explains the upcoming changes to the DMO, including the much publicised Solar Sharer Offer (SSO), and potential implications for energy sellers in NSW, SEQ, and SA.
Volatility in FCAS (Regulation and Contingency) prices in Tasmania on Wednesday 5th November 2025
A quick record of some volatility today in Regulation (and Contingency) FCAS prices in Tasmania on Wednesday 5th November 2025.
Brief unplanned power outage in central-western Queensland, on Wednesday 5th November 2025
A short note to record the brief unplanned outage in the Powerlink network (on Wednesday 5th November 2025) that impacted customers in the Longreach, Blackall, Barcaldine and Clermont area.
Dispatch, trading and bidding: Is that what a control room does?
Based on her presentation at All-Energy last week, Ellise Janetzki from Overwatch Energy shares some insights about asset control room requirements and operations.
What happens when energy is free (part 2)?
It’s approaching 10 years since (in April 2016) we asked the question ‘What happens when energy is free?’. Well, this morning (Tuesday 4th November 2025) Minister Chris Bowen dropped the Media Release that speaks...
Four observations from All-Energy 2025
Four reflections from All-Energy 2025 in Melbourne last week— where home batteries took the limelight, government-backed contracting showed some cracks, control-room pressures loomed large, and gas remained the conference’s quiet taboo.
Large under-performance across Solar Farms as the main driver of frequency wobbles on Thursday afternoon 30th October 2025?
With respect to the ~17:00 period on Thursday 30th October 2025 (and the frequency drop, possibly outside the NOFB), we take a look at the Dispatch Error of individual Semi-Scheduled units to find patterns.
A second look at the frequency drop on Thursday evening 30th October 2025
We take a second look at the frequency drop that occurred at ~17:01 (NEM time) on Thursday 30th October 2025.
The return to service of Callide B2 and C4 in October 2025, following storm issues
Following this update on LinkedIn from CS Energy on Thursday 30th October 2025, we summarise outages at Callide B2 (two outages) and Callide C4 (one outage).
Guest Authored Posts
24 GW in 24 months, a race against time for the NEM
Following his presentation at All-Energy in Melbourne last week, David Dixon reports on the state of the NEM's ambition to reach 82% renewables by 2030.
The implications of the Solar Sharer Offer (SSO) and Default Market Offer (DMO) review outcome on energy sellers
In this guest-authored article, Connor James explains the upcoming changes to the DMO, including the much publicised Solar Sharer Offer (SSO), and potential implications for energy sellers in NSW, SEQ, and SA.
Detailed Analysis
Mainland grid frequency: cat ears and golf
It was captured by a keen eyed reader, that the distribution of mainland grid frequency in recent times now exhibits cat ears.
Four NEM-related themes from COP29
After returning from COP29 in Baku, Dan shares his thoughts about energy transition challenges in international electricity markets, and how they intersect with what we're seeing in the NEM.
Down for the count: eight separate transmission tower failure incidents in less than five years
A map of where the eight separate transmission tower incidents have occurred over the past five years.
So long solo solar, and hi hybrids?
A summary of the key challenges facing standalone solar and wind farms over the past several years, along with discussion and thoughts about whether new rules surrounding hybrids systems will address these.
What the last twenty years of the ESOO tells us about blackout predictions
After skimming through the last twenty editions of the ESOO over the past couple of days, Dan shares some thoughts about what has and hasn't changed over the years.
A tale of two mega-projects: Project Energy Connect and Snowy 2.0 timelines (Part 2)
In the second half of this two-part case study we look at a timeline of the Snowy 2.0 project, and discuss the history of mega-projects in the NEM.
A tale of two mega-projects: Project Energy Connect and Snowy 2.0 timelines (Part 1)
A timeline of evolving expectations for the cost, benefits, and delivery dates for Project Energy Connect - following news of recent issues surrounding the project.
A running view of the recent wind drought
A view of cumulative total wind production in Q2, highlighting a lack of spatial resource diversity, and the future challenges for gas and long-duration storage.