Wellington North Solar Farm back to 94 ELAV compared to 104 in total
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...
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Early morning price volatility in South Australia on Monday 8th 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...
Wellington North Solar Farm back online (late Sunday afternoon 7th December and) Monday 8th December 2025
The Wellington North Solar Farm (which came offline Sunday 7th December 2025 due to grass fire) is back online.
Wellington North Solar Farm offline in ST PASA data from Saturday 6th December 2025, following grassfire
Just after 13:00 (NEM time) on Saturday 6th December 2025, the Wellington North Solar Farm came offline following a grass fire onsite.
Lengthy unplanned outage at Yallourn unit 2 extended another 19 days – expected RTS now 12th February 2026
On Friday 5th December 2025 we also saw EnergyAustralia report to AEMO the 19-day extension to the lengthy unplanned outage at YWPS2 following 'LP turbine issues' experienced in...
Actual MSL2 in South Australia (not the first time) on Sunday 7th December 2025
At 11:02 (NEM time) on Sunday 7th December 2025 the AEMO published MN131472 noting 'Actual MSL2' in South Australia
AEMO requests that Notice of Closure be extended to 5 years (in some cases)
Flagging (from the AEMO rule change request on 14th November 2025) the request to extend Notice of Closure to 5 years ... and to remind readers of thoughts...
Worth noting the AEMO rule change request ‘Efficient and timely management of system security needs through the energy transition’
Pre-dating AEMO’s Monday release of its 2025 TPSS, was AEMO’s Rule Change Request ‘Efficient and timely management of system security needs through the energy transition’.
Increase in minimum LHS Factors in Constraint Equations gone live Tuesday 2nd December 2025
It’s also worth explicitly calling out the increase in minimum LHS factors (from 0.07 to 0.15) that also went live yesterday (Tuesday 2nd December 2025).
‘Blackout bingo’ in the media again this week … this time with Victoria and Yallourn
Following media reporting from Monday about 'blackouts' and 'Eraring closure', today (Wednesday 3rd December) there's a media report about 'blackouts' and 'Yallourn closure'
Belatedly noting v2.0 of the ‘NEM Readiness Guide’ (and Checklist) by the AER, released on 29th August 2025
I was on a call earlier and someone helpfully circulated a link to the document ‘NEM Readiness Guide v2.0’, released by the AER on 29th August 2025 -...
Release 1 of the ISF (Improving Security Frameworks) reform went live, on Tuesday 2nd December 2025
Noting that yesterday (Tuesday 2nd December 2025) saw a milestone reached, with ‘Go Live’ achieved for Release 1 of the Improving Security Frameworks (ISF) reforms.
AEMO declares Scheduling Error – related to the ‘Self-forecast vendor issue’ experienced on 19th August 2025
Last week (on Thursday 27th November) the AEMO made a Scheduling Error Declaration about the sizeable glitch in a particular self-forecast vendor that delivered phantom production on Tuesday...
AEMO updated MT PASA guidance, on 2nd December 2025
At 13:55 on Tuesday 2nd December 2025, the AEMO published MN131337 as an update earlier MT PASA updates (continuing to forecast Low Reserve Condition for NSW for periods...
How collective under-performance of Semi-Scheduled Solar Farms weakened frequency on Sunday afternoon 30th November 2025
We’ve already posted about how ‘Mainland Frequency dragged downwards around sunset, on Sunday 30th November 2025’. Here, we see how underperformance across Large Solar Farms was a major...
What the hail is happening with Brisbane’s weather?
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...
Why network outages matter for generator and storage revenue, risk and investment decisions
Nadali Mahmoudi from EPEC Group presents a short case study to show why network-outage modelling is essential for understanding revenue opportunities, curtailment risk and long-term investment decisions.
Mainland Frequency dragged downwards around sunset, on Sunday 30th November 2025
This late afternoon weakness in system frequency (on Sunday 30th November 2025) seems noteworthy.
AEMO releases ‘2025 Transition Plan for System Security’
On Monday 1st December 2025 (after it was flagged in some media articles) the AEMO released its 154-page '2025 Transition Plan for System Security'.
AFR headline ‘AEMO warns of NSW blackouts if Eraring closes in 2027’ attracts attention
I’ve been away for the past week and am not back at work yet, but seeing the headline ‘AEMO warns of NSW blackouts if Eraring closes in 2027’...