CS Energy publishes about ‘Upgrading Reporting Processes …’ on Fri 9th May 2025
CS Energy published a media release on Friday 9th May 2025 'Upgrading Reporting Processes to Support the Electricity Maintenance Guarantee'
Market Operations
Callide C out of Voluntary Administration
A short not tying together several different notes about Callide C - the part buyout by 7GI and resurrection of out voluntary administration (and outage on C3).
Late afternoon volatility in NSW (and QLD!) on Tuesday 13th May 2025
From the 16:35 on Tue 13th May 2025 the price spiked in NSW above $10,000 (though there were a couple clues as to the possibility ahead of time).
A forecast LOR2 pops up for South Australia on Thursday 15th May 2025
At 14:03 on Monday 12th May 2025 (in MN126998) the AEMO flagged a 'forecast LOR2' for South Australia for midday on Thursday 15th May 2025.
‘Market Demand’ jumps by 404MW on Wednesday morning 7th May 2025
Another short article to record this 404MW jump in ‘Market Demand’ in the Victorian region from the 07:50 to 07:55 dispatch interval (NEM time) on Wednesday 7th May 2025.
464MW drop in ‘Market Demand’ in NSW on Sunday 4th May 2025
Flagging this 464MW drop in 'Market Demand' in NSW on Sunday 4th May 2025, as something that might be explored later...
Four days in the NEM in four minutes
Dan shares a short time-lapse video which demonstrates four days worth of activity in the NEM, highlighting the impact of network congestion in QLD and NSW.
Gremlins in the EMMS upgrade to Data Model v5.5, making ‘the Resurrection of Old Coal’ appear on the cards
On Tuesday 29th April 2024 we noted a glitch in some ez2view widgets stemming from changes in the EMMS triggered by the upgrade process for Data Model v5.5.
A quick walk through a few volatile evening periods
In this article we take an initial look at bidding across some instances of price volatility from Monday 7th April 2025 to Friday 11th April 2025.
Drop in NEM Mainland Frequency appearing to coincide with trips at New England Solar Farm, on Saturday 19th April 2025
We take a quick look, after AEMO noted that at 13:51 (NEM time) the New England Solar Farm No.1 and No.2 both tripped.
Three units at Bayswater (temporarily) offline, on Tuesday 15th April 2025
It’s not the first time that it’s happened in the history of the NEM, but worth noting that we're (temporarily) down to 1 x Bayswater unit online at present on Tuesday 15th April 2025.
Mainland system frequency in the afternoon of April 10, 2025
At 16:01 on April 10, 2025, a system frequency dip was observed from the Global-Roam frequency logger.
Prices in QLD and NSW rise into the four digit mark on Thu 10th Apr 2025
Elevated prices struck QLD and NSW for the fourth night in a row - with spot prices climbing above the $1,000MWh mark briefly this afternoon.
Mainland system frequency on April 10, 2025, associated with VIC transmission outage
High speed frequency measurements provide a deeper understanding of how the system responded to the unplanned 500kV line outage.
A boost in transfer capacity with PEC Stage 1
Worth capturing MN126466 published at 11:12 today with respect to PEC Stage 1.
AEMO Market Notice 126465 notes transmission link back in service
Third article about the large drop in demand in Victoria observed on Thursday morning 10th April 2025.
Another long forced outage at Callide C3 … April 2025
First article about the latest long forced outage for Callide C3 - beginning April 2025.
AEMO Market Notice 126464 confirms trip transmission (linked to the APD smelter)
Second article about the large drop in demand in Victoria observed on Thursday morning 10th April 2025.
582MW (instantaneous?) drop in ‘Market Demand’ in Victoria delivers large System Frequency spike – Thursday 10th April 2025
Noting a large 582MW drop in ‘Market Demand’ in Victoria this morning (Thu 10th April 2025) – as captured in this ‘Notification’ alert in ez2view at 08:31 (NEM time).
Short burst of high prices in QLD and NSW on Wed 9th Apr 2025
A string of SMS alarms alerts us to another burst of high prices in the two northern regions, early this evening