Aggregate (estimated) curtailment of Large Solar exceeds 70% on Sunday 5th October 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.
Eventful days in 2025
A catalogue of articles pertaining to eventful days in 2025
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 5th Oct 2025.
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 brief (two-shift) outage.
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, and prompts me to take a...
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?
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 notes.
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 at the time. We were not...
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 at Vales Point 5.
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.
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 earlier today
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.
A quick review of QLD solar (and curtailment) on Monday 29th September 2025 with price at MPF
On LinkedIn someone wrote about the QLD price dropping to the Market Price Floor for the 10:05 and 10:10 dispatch interval today (Mon 29th Sept 2025). So I had a quick look
Start date of short notice outage at ER03 delayed again, now Friday 3rd October 2025
Late on Thursday 25th September 2025, the expected start of the short-notice outage at ER03 was pushed back again (this time by a week).
The start of the unplanned outage at ER03 is delayed till early Saturday morning 27th September 2025
As a short follow-on article now mid-morning Thursday 25th September 2025 to highlight the delay in the start of the unplanned outage at ER03 as one of the key drivers in AEMO's cancellation of...
Unplanned outage at YWPS2 extended – return to service slated for 15th December 2025 (and may well extend further)
We noticed today (Wednesday 24th September) an ~8 week extension added onto the expected return to service date for YWPS2, which tripped offline due to 'LP turbine issues' in August 2025.
Some leading indicators of possible volatility in NSW on Thursday evening 24th September 2025
A quick look forward (past the forecast LOR1) to tomorrow evening in NSW, Thursday 25th September 2025.
A quick review of AEMO direction for System Strength in NSW back on Thu 28th August 2025
With the need for an early morning direction flagged for NSW on Thursday 25th September 2025, we take a quick look back 4 weeks ago (to Thursday 28th August 2025) when it happened.