Bushfires also impact transmission capability in South Australia on Thu 22nd Feb 2024 (short-lived)
AEMO declares credible contingency possible with respect to transmission in South Australia, due to bushfires.
Articles by Paul McArdle
One of three founders of Global-Roam back in 2000, Paul has been CEO of the company since that time.
As an author on WattClarity, Paul's focus has been to help make the electricity market more understandable.
Afternoon spot price volatility on a hot day in VIC and TAS … and bushfire limitations
A hot afternoon in VIC and TAS, with bushfires in both states, is driving volatility on Thursday 22nd February 2024
Evening volatility in South Australia on Wednesday 21st February 2024
A quick record of some evening volatility in South Australia on Wednesday evening 21st February 2024
A first (more detailed) look at Stockyard Hill Wind Farm on Tuesday 13th February 2024
This is a first ‘deeper dive’ into AEMO data (both 4-second SCADA data and in the EMMS via ez2view) to see what’s visible able Stockyard Hill Wind Farm on Tuesday 13th February 2024.
System Strength considerations for NSW via Market Notices … a low point reached in 2023 Q4
AEMO points to the TransGrid document from Wed 14th Feb 2024 ‘NSW Synchronous Generation – interim advice for System Normal requirement’.
A burst of spot price volatility in QLD and NSW on Tuesday 20th February 2024
A short article using NEMwatch to record the start of spot price volatility in QLD and NSW at 17;55 on Tuesday 20th February 2024.
From the 4-second SCADA data, a view of Production by Fuel Type on Tuesday 13th February 2024
Following the review of bidding in VIC on Tue 13th Feb 2024, this review of the 4-second data for VIC on the day reveals another 28 Observations/Questions to explore later.
AEMO preliminary report identifies 4 separate Events … including trips* at 4 Generators and 1 Load
Some things in the AEMO’s Preliminary Operating Incident Report that stood out to me, and which will assist in our further investigations on WattClarity.
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 that day … with 27 Questions/Observations identified!
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 frequency to highlight points of interest).
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.
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 for the 2023 calendar year.
[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’ level – noting will go more granular later (Timeline #2) and less granular later (Timeline #3).
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 for weeks and months (even years?). Here’s a starting list of questions we’d like to explore…
Hiccup in return to service of Loy Yang A2
A follow up on the (bumpy) return to service for Loy Yang A2
Loy Yang A3 starts up, as the second (of 4) units to return to service
The start of a return to service for Loy Yang A3.
AEMO statement (at 20:30) about the 473,000 customers still off supply
AEMO reports (at 20:30) still 473,000 customers off supply.