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.
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.
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.
544,000 lightning strikes around Melbourne on Tuesday 13th February 2024
Ben Domensino (from Weatherzone) provides useful information about the weather experienced in Victoria on Tuesday 13th February 2024
Still 470,000 customers without power in Victoria at 20:00 NEM time on Tuesday 13th February 2024
At 20:00 NEM time (21:00 in VIC) we see still ~470,000 customers without electricity supply.
Weird and wacky (erroneous?) transmission transfer limits for VIC1-NSW1 and Basslink on Tuesday 13th February 2024
A short article to record a question from a client that we did not have time to investigate further today.
Victoria’s Department of Energy reports *six* transmission towers down in Victoria
The Department of Energy* in Victoria confirms that six towers have been downed, on Tuesday 13th February 2024
Unit Trip at Callide B1 on Tuesday 13th February 2024
In amongst the frenetic challenges in Victoria today, the Callide B1 unit (in QLD) tripped … probably unrelated to the VIC activity.