~80 minute run on spot price volatility in NSW on Tuesday 7th May 2024
A second article providing some more detail on the spot price volatility in NSW on Tuesday evening 7th May 2024
VIC1-NSW1
Focusing on VIC exports (and imports) with the ‘Major Power System Event’ on Tuesday 13th February 2024
In this article we look again at Tuesday 13th February 2024 (Victoria’s ‘Major Power System Event’) and sum up the impact of the event on net exports from Victoria over a 14-hour period, but particularly around ~13:08 when the towers were downed.
Background information about the Victorian Big Battery and the SIPS service (System Integrity Protection System)
Prompted by the other article today, I’ve taken a look at published information about the required operations of the Victoria Big Battery (VBB) under the System Integrity Protection System (SIPS).
A first look at the NSW price spike at 15:10 (NEM time) on Thu 29th Feb 2024
Took a first look at the 15:10 price spike to the $16,600/MWh Market Price Cap in NSW on Thu 29th Feb 2024.
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.
Disallowed flow north on VIC1-NSW1 another significant factor in tight supply-demand in NSW + QLD
A quick look at how restrictions in southern NSW meant that Victoria could not export to NSW through the afternoon … hence contributing to the tight supply-demand situation.
NSW ‘Market Demand’ climbs past 13,000MW – and IRPM drops – but prices stay moderate
NSW ‘Market Demand’ exceeds 13,000MW for the first time today (Thu 14th Dec 2023)
Brief period of spot volatility in QLD and NSW on Tuesday evening 5th December 2023
Some volatility in QLD and NSW on Tuesday 5th December 2023.
What’s happening around Wagga?
Guest author, Allan O’Neil, takes a detailed look at how VIC1-NSW1 transfer capability has been limited frequently due to constraints related to the 051 line in southern NSW, and what it means in terms of inter-regional settlements residue accumulations, market efficiency overall, and the energy transition.
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.
(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.
Bye X5, Hi X5
From 16th March 2023 the infamous ‘x5 constraint’ has been split into two. We quickly showed previously that the design of the Left Hand Side (LHS) does not vary. In today’s article, valued guest author Allan O’Neil takes a look at what is different.
Reviewing what happened in NSW and QLD on Thursday 16th March 2023 (with Actual LOR2, Volatility and Reserve Trader almost triggered, etc) … part 1
Given the significance of the event (Reserve Trader almost triggered on Thursday 16th March – 34 days till the closure of Liddell Unit 4) we’re investing some time in exploring more detail of the event. This is Part 1.
Tight supply-demand, so price volatility, in NSW and QLD on Tuesday 31st May 2022
A short look at the start of price volatility on Tuesday evening 31st May 2022
Evening volatility again in QLD and NSW on Thursday 5th May 2022
Thursday 5th May 2022 again sees volatility in QLD and NSW