Aggregate (estimated) curtailment of Large Solar exceeds 70% on Sunday 5th September 2025
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.
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Also difficult to see any fluctuation in Mainland Frequency on Sunday morning 5th October 2025, with BW02 offline (two-shifting)
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...
Difficult to see any fluctuation in Mainland Frequency on Saturday morning 4th October 2025, with BW02 offline (two-shifting)
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...
Talk about two-shifting … such as with BW02 on Saturday 4th and Sunday 5th October 2025
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,...
AEMO issues (short-notice, short-lived) direction for System Strength in NSW on Sunday 5th October 2025
A short article for Sunday 5th October 2025 to record the Direction issued for System Strength for NSW on Sunday 5th October 2025
New lowest* point for NEM-wide Market Demand on Saturday 4th 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?
The ENTSO-E ‘Factual Report’ on ‘Grid Incident in Spain and Portugal on 28 April 2025’ is out
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...
AEMO updated MT PASA guidance, on 3rd October 2025
Worth copying in here AEMO's Market Notice 129413 published late Friday afternoon 3rd October 2025 pertaining to the coming two-year period - because of some changes and other...
Belatedly recording the QLD LNP’s comments about ‘coal for decades’ in September 2025
I alluded to the following comments in Wednesday’s article about the possible early closure of Gladstone Power Station … though we did not have time to note them...
VP5 into the Planned part of it’s lengthy Unplanned-Planned-Unplanned outage
On my commute this morning (Friday 3rd Oct 2025), I noticed this update on LinkedIn yesterday evening from the team at Delta Electricity, speaking about their annual shutdown...
NEM Mainland Frequency wanders south as the sun sets, on Thursday 2nd October 2025
A very short article recording another instance of frequency wandering south as the sun is setting (this one on Thursday 2nd October 2025).
(3 units at) Torrens B station to remain open until mid-2028 after funding arrangement reached
Yesterday (Wed 1st Oct 2025) we had follow-on news about Torrens B, with the Premier of South Australia announcing that ‘Government negotiates energy security agreement’.
Eraring Unit 3 comes offline early Thursday 2nd October 2025 – on the (delayed) short-notice maintenance outage
Following earlier articles about the (delayed) unplanned outage on ER03, worth noting it finally came offline Thursday morning 2nd October 2025.
The Nelson Review panel ‘has identified’ the Schism
Continuing to walk through the draft Report of the Nelson Review, we see that the authors 'identified that most historic policy interventions have been incomplete' (i.e. speak to...
ABC reports ‘Rio Tinto’s Gladstone coal-fired power station could be retired early’
A very short article here from us today to point readers here to the ABC News article ‘Rio Tinto's Gladstone coal-fired power station could be retired early’ from...
Are CIS-ters doin’ it for themselves? Part 3: Treatment of curtailment risk
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 —...
Finally!! … A Major Review that sees (more closely) what’s actually been happening with Demand Response!
In part because I'm speaking at the NEMDev conference (Wed 8th Oct 2025 in Brisbane) we're taking a pass through the draft Report of the Nelson Review. Some...
3 high-level questions, for considering the draft report of the Nelson Review
Here's three high-level questions we've been trying to keep in mind, in our reading of the draft Report of the Nelson Review panel - for some belated (informal)...
Some of the ‘Major Reviews’ in the history of the NEM
I thought it would be useful to pull together this (incomplete) tabulated list of major reviews in the history of the NEM.
AEMO forecasts MSL1 for the coming Saturday 4th October 2025 and Sunday 5th October 2025
On Monday 29th September 2025 the AEMO alerted of possible MSL1 for the coming weekend (Sat 4th October and Sunday 5th October) in Victoria.