Five (re)bids for URANQ12 on on Tuesday 13th May 2025 – Part 3 of a Case Study
On Tuesday 13th May 2025 we quickly noted a period of volatility that was mainly focused on the NSW region. Here's a third step in understanding contributing factors...
Articles by Paul McArdle
Paul was one of the founders of Global-Roam in February 2000. He is currently the CEO of the company and the principal author of WattClarity. Writing for WattClarity has become a natural extension of his work in understanding the electricity market, enabling him to lead the team in developing better software for clients.
Before co-founding the company, Paul worked as a Mechanical Engineer for the Queensland Electricity Commission in the early 1990s. He also gained international experience in Japan, the United States, Canada, the UK, and Argentina as part of his ES Cornwall Memorial Scholarship.
Afternoon volatility begins in NSW on Wednesday 14th May 2025
Whilst in the process of publishing a look at yesterday, I wondered about the possibility of price volatility this evening ... and that's what happened.
Part 2 of a Case Study – looking into evening volatility in NSW on Tuesday 13th May 2025
Yesterday (Tuesday 13th May 2025) we quickly noted a period of volatility that was mainly focused on the NSW region. Here's a second step in understanding contributing factors...
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'
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).
AEMO and AER quarterly digests for 2025 Q1 released on the same day (Wednesday 7th May 2025)
We noticed last week that both quarterly digests from the AEMO and the AER for 2025 Q1 were released on the same day – Wednesday 7th May 2025.
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.
A review of the traditional form of Demand Response (part 1)
I'm slated to participate at a panel session at the EUAA National Conference on Wednesday 7th May 2025, so have prepared some analysis to talk through...
Green shoots of pragmatism at the CEC’s Clean Energy Investor Forum in Sydney on 3rd April 2025?
Before tomorrow's CEC WInd Forum, I wanted to piece together this quick record of the inaugural Clean Energy Investor Forum (CEIF) by the CEC in Sydney on Thursday 3rd April 2025
There are (at least) 4 Lenses, through which to view Coal Closure
The way I see it, there are at least these 4 lenses that need to be viewed together to understand the complexities relating to coal closure.
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...
AEMC underway with review of the Centralised Negawatt Dispatch Mechanism (a.k.a. the WDRM), and consultation closed
Submissions at the AEMC already closed over a week ago, with respect to their review of WDRM. Here's some starting thoughts ...
Playing ‘Blackout Buzzword Bingo’ with recent events
In the Social Media commentary (and even full media articles) following the recent Blackout it feels a bit (frustrating and) like playing 'Blackout Buzzword Bingo' in trying to understand what actually happened...
Blackout in Bali on 2nd May 2025
With much attention in the past week being focused on the major blackout on the Iberian Peninsula in Europe, it’s worth noting there was a blackout in Bali on Friday 2nd May 2025
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.
Major power outage on the Iberian Peninsula on Monday 28th April 2025
On Monday 28th April 2025 there was a large loss of load event encompassing millions of customers across Portugal and Spain. Here's some initial notes.
Reliability Panel comments on AEMO’s Transition Plan for System Security on 23rd April 2025
The Reliability Panel responded to the AEMO’s first iteration of the annual Transition Plan for System Security (TPSS) with comments with this 4-page letter on Wednesday 23rd April 2025.
Games that self-forecasters can* play (Part 1 – An Overview)
I've promised to write this article for some time, but a few recent events (and looming start of FPP) have caused me to publish this now.