As AEMO had telegraphed yesterday, just after 08:00 (NEM time) on Wednesday 15th October 2025, the AEMO issued Directions to various units at EnergyAustralia’s Jeeralang Power Station for System Strength in Victoria.
Worth noting two market notices today flagging possible intervention because of System Strength issues in Victoria tomorrow (Wednesday 15th October 2025).
It appears that there was some large(ish) trip in demand somewhere on the Queensland network, given the spike in frequency at ~07:28 on Tuesday 14th October 2025.
A short note to record a large-size drop in ‘Market Demand’ in the Queensland region on Tuesday morning 14th October 2025, as captured in this ez2view ‘Notification’ widget alert at 07:31 (NEM time).
Given that we’ve written about that outage several times before, worth noting that Eraring Unit 3 came back online Sunday evening 12th October 2025.
There was a short-lived (but interesting) price spike for ENERGY in the NSW region on Friday evening 10th October 2025. Here's a first look.
A quick initial look at two lengthy periods of Non-Conformance at Aldoga Solar Farm on Sunday 12th October, with the first period seeing large negative Dispatch Error, and a blip in system frequency.
It was no surprise that social media lit up with reports of voltage fluctuations having been detected more recently on the Spanish Grid, as reported by Red Eléctrica (the TSO).
As something we might refer back to later, here’s a 4-hour trend of NEM Mainland Grid Frequency on Sunday 12th October 2025 – from 09:00 to 13:00 (NEM time).
Worth noting that Saturday 11th October 2025 saw Bayswater Unit 2 perform the two-shift shuffle again.
One day after the conclusion of the inaugural NEMdev 2025 conference (during which the CIS was discussed), the announcement was made of the winners of the Tender Round 4 of the Capacity Investment Scheme.
Today (Friday 10th October 2025), the State LNP Government has released its ‘Queensland Energy Roadmap 2025’ as the replacement for the prior Labor Government’s QEJP.
For short term reasons (related to the Nelson Review and the NEMDev conference) and longer-term reasons, we thought it was useful to post this as a stand-alone article now.
On the prior weekend (Saturday 4th October 2025 and Sunday 5th October 2025) we saw high levels of aggregate curtailment across all Large Solar Farms.
Not seeing any obvious blip in system frequency (at the time BW02 came offline on Sat 4th Oct 2025) we also looked at the similar outage on Sun 5th Oct 2025.
I was keen to see if there was any noticeable blip in System Frequency resulting from the BW02 unit coming offline on Saturday 4th October 2025 for the brief (two-shift) outage.
Today's LinkedIn update from Geoff Eldridge at GPE about two-shifting at BW02 (such as on Sat 4th Oct 2025 and Sun 5th Oct 2025) coincides with other investigations, and prompts me to take a...
A short article for Sunday 5th October 2025 to record the Direction issued for System Strength for NSW on Sunday 5th October 2025
A snapshot from NEMwatch at 10:55 on Saturday 4th October 2025, highlighting NEM-wide ‘Market Demand’ down at 9,393MW - a new lowest point?
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.