A quick first pass through ENERGY bids (for Victorian units) on Tuesday 13th Feb 2024
Five days after Tuesday 13th February 2024 we have a bit of time to take this initial (top-down) look at bidding for ENERGY in the Victorian region on...
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14 hours of trended (mainland) frequency on Tuesday 13th February 2024
A first article from me after starting to delve into a 14-hour time series of AEMO's 4-second data for Tuesday 13th February 2024 (this one a trend of...
Aggregate enablement of RaiseReg FCAS from units in the mainland (excluding Basslink) on Tuesday 13th February 2024
A short article trending (through Tue 13th Feb 2024) aggregate enablement of Raise Regulation FCAS in DUIDs on the mainland ... i.e. excluding Basslink.
AEMO Preliminary Operating Incident Report (re Tue 13th February 2024) is available
AEMO's preliminary operating incident report for what happened on Tuesday 13th February 2024 is available now.
Optimising a highly renewable NEM from scratch
David Leitch and Paul Bandarian present and discuss the model they've created which uses a maximum Sharpe ratio wind and solar portfolio for the 2025 calendar year, drawing...
Convective downdrafts and high-voltage transmission lines
In light of another transmission tower collapse caused by convective wind gusts, we've invited wind loading expert Dr John Holmes to explain this phenomena.
Early observations from examining the AEMO’s four-second SCADA data from Tuesday afternoon
Allan O'Neil provides a couple of initial observations regarding Dundonnell Wind Farm and Loy Yang A from his first glance of at the 4-second SCADA data from the...
The Generator Statistical Digest 2023 (GSD2023) is released
It's Thursday 15th February 2024 and (in amongst the detailed analysis relating to Tue 13th Feb 2024 in Victoria) we're releasing the GSD2023 ... the Generator Statistical Digest...
Weathering the Storm: Victoria’s Record-Breaking Energy Day
Perhaps unrealised by many, but Tuesday afternoon's events in Victoria resulted in a new record low in terms of number of coal units being online in the region,...
A major blackout left 500,000 Victorian homes without power – but it shows our energy system is resilient
Dr Roger Dargaville from the Monash Energy Institute argues that Tuesday's events in Victoria were a showing of a system resilience, and not fragility.
[SLIGHTLY UPDATED] a sequence of events for what happened in Victoria through the day on Tuesday 13th February 2024 (via Timescale #1)
In this article we’ll have a first pass at what happened in Victoria on Tuesday 13th February 2024 at a DI-by-DI level ... which we call ‘Timeline #1’...
Part 2: Too much rooftop PV in SA, almost, as forecast for 15th February 2024
An an elevated risk of the contingent disconnection of Distributed PV resurfaces for SA on 15 February 2024 with market notice 114743.
Too much rooftop PV in SA, almost, as forecast for 15th February 2024
Market notice 114741 cancelled the notice of a high risk of curtailment of distributed PV in SA on 15 February 2024.
AFR reports about $300M insurance claim refused, for Callide C4
Following on just one day after CS Energy released an abridged report on the failure of Callide C4, the AFR reports about insurance problems.
Loy Yang A4 commences return to service ~26 hours after trip on Tue 13th Feb 2024
The third (of 4) units at Loy Yang A that tripped on Wed 13th Feb 2024 is beginning to return to service ~26 hours afterwards.
Some *initial* headline questions following the transmission damage, unit trips & loss of load, initiated on Tuesday 13th February 2024
What happened yesterday (Tue 13th Feb 2024) in Victoria was a significant event in the history of the NEM - and the flow on effects will be felt...
A look into minimum generation levels at various coal plants, using the GSD2023
Nick Bartels from Greenview Strategic Consulting uses the GSD2023 to examine minimum and maximum generation levels at various coal and gas plants in the market.
Another tower collapse poses more questions about transmission
The sixth transmission tower failure within the NEM in almost four years, has prompted further questions about the physical network and its resilience to severe convective winds.
AGL half-year results point to ‘strong financial performance’ for Torrens Island BESS (but not directly through the spot market)
Using our soon-to-be-released GSD2023, we can compare the market performance of AGL's Torrens Island BESS against what was published in last week's half-year results presentation from AGL.
High impact weather lashes Victoria, igniting fires and leaving 500,000 without power
Weatherzone meteorologist, Ben Domensino, reports on the extent of the severe weather conditions across Victoria yesterday.