Spot price volatility in QLD and NSW on Monday 12th June 2023
A quick look at some evening volatility in QLD and NSW on Monday 12th June 2023.
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.
Four coal unit outages in the past 24 hours
It does not happen often, so when receiving 4 different 'coal unit off' alerts within 24 hours, we thought we would take a look ...
Record for NEM-wide wind production nudged slightly higher on Thu 8th June 2023
Looks like we hit a new record for NEM-wide wind production on Thursday evening 8th June 2023 ... slightly increasing on the prior record from 10 months ago.
Another research paper into solar and wind droughts in Australia
A quick note at another research paper (focused on an area of interest to us) that's crossed our field of vision.
Reader question about current (planned) outage at Millmerran unit 2
Answering a reader question (about the current outage at Millmerran unit 2) with some pictures in an article on WattClarity.
AER writes ‘Stanwell fined for allegedly putting power system security and stability at risk’ … re May 2021 Callide Explosion
Also today, we saw an AER notice about fines paid by Stanwell Corporation related to what happened after Callide C4 exploded on 25th May 2021
AEMO releases outlook for Winter 2023
Worth a short note that (on the first official day of winter … though in temperature terms it started some weeks ago) they have published a Media Release ‘AEMO forecasts improved winter 2023 for...
Digging further into ‘Aggregate Scheduled Target’, to understand what Dispatchable Capacity is actually required
In conjunction with the analysis done to complete GenInsights Quarterly Update for Q1 2023 (released today), here's 14 years of daily data of 'Aggregate Scheduled Target' that might help to illustrate the aggregate requirement...
GenInsights Quarterly Update for Q1 2023 released
A quick note on Wednesday 31st May 2023 to mark the release of GenInsights Quarterly Update for Q1 2023.
ABC says ‘coldest May minimum temperatures on record’
An ABC news article on 31st May provides some clues as to the volatility seen in some regions through May.
Spot volatility again, in QLD and NSW, on Tuesday evening 30th May 2023
It's Monday evening 30th May 2023 and prices have spiked in QLD and NSW again - similar situation as other recent days.
The never-ending (horror) story at Callide C … more long delays in expected Return-to-Service
More updates recently about the Callide C power station. Looks like we'll be waiting a while longer for the (delayed again) return to service...
Spot Price volatility in QLD and NSW on Friday 26th May 2023
Continuing the recent run of volatility in QLD and NSW, another bout (albeit shorter) on Friday 26th May 2023.
Vedran’s note today, about ‘more wind than hydro in Tasmania’ for early morning Thursday 25th May 2023
Prompted by a LinkedIn update by Vedran Kovac (at Hydro Tasmania) we've taken a quick look at the supply mix in Tasmania during the current week.
Spot market volatility on Thursday 25th May 2023 (and Actual LOR2 in NSW)
The sun's gone down on Thursday 25th May 2023, and prices have spiked (as in recent days).
AEMO declares Scheduling Error (incident #54) with respect to post-Liddell snag
AEMO has confirmed our earlier hunch of a Scheduling Error in the immediate aftermath of the Liddell unit retirements.
(Early!) winter evening volatility returns to QLD and NSW on Wednesday 24th May 2023
A quick article to capture volatility in QLD and NSW on Wednesday evening 24th May 2023.
IRPM drops below 15% on Tuesday 23rd May 2023
A short article this evening noting IRPM has dropped below 15% on a NEM-wide basis (a tight supply-demand balance).
AEMO’s MMS 5.2, ez2view v9.7, Semi-Scheduled MaxAvail in the Bid, and a self-forecasting example
Today (Tue 23rd May) is the go-live date for AEMO's EMMS v5.2 - which will contain new data for some market enhancements. Here's a quick look at where this first change will appear in...
Evening volatility in QLD and NSW on Saturday 20th May 2023
A short article to mark an evening burst of volatility in QLD and NSW, with VIC1-NSW1 again constrained.