Evening volatility in QLD and NSW on Wed 21st June 2023
A quick report on some market volatility in QLD and NSW on Wednesday 21st June 2023.
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.
A cold evening drives NEM-wide demand high, and IRPM low, on Tuesday 20th June 2023
The ‘Australian Energy Week’ conference this week in Melbourne, and the NEM this evening has given a real-time example of some energy transition challenges.
What happened to the ‘N::N_DTKV_2’ constraint equation leading to whiplash on VIC1-NSW1 interconnector on Sunday 18th June 2023
A second short article (this one with the benefit of ‘next day public’ data) looking at the whiplash on VIC1-NSW1 on Sunday 18th June 2023.
Industrial Action at Longford
On Monday 19th June the AEMO published a Market Notice relating to Industrial Action at Longford.
Whiplash on VIC1-NSW1
A quick article recording the large reversal in Target Flow on VIC1-NSW1 interconnector … something we are seeing increasingly frequently.
Transmission outage of the Dapto -to- Kangaroo Valley transmission link in southern NSW (line 18) … and spot volatility
For several reasons we take a look at a transmission outage in southern NSW that contributed to some volatility seen in QLD and NSW in the second half of May … and might also do in the second half of June 2023.
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.
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 Australia’s energy system, risks remain’ that…
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 for fully dispatchable capacity of some type as the closure of coal accelerates into the future.
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.