Some quick notes about volatility in SA on Friday evening 11th August 2023.
‘Constraint Dashboard’ widget
In Part 2 of this Case Study, we look at those 15 x Semi-Scheduled units highlighted with large deviations (mostly under-performance) at 17:05 on 27th October 2022 in order to understand more.
An article on RenewEconomy this week (about some analysis by analysts at ANU) coincided with our review of sequential drafts of the GSD2022, and prompted this article to have a look at some reported lost production at a number of solar farms across the NEM.
First day back in the NEM after a break and I see the that the ‘N-RVYS_2’ Constraint Set is contributing to morning price volatility in the NSW region again.
A detailed look at the ‘N::N_UTRV_2’ constraint equation (focusing specifically on the spike at 17:30 on Friday 28th October 2022), drawing heavily on the newly-released ‘Constraint Dashboard’ widget in ez2view.
Following a client request on Friday 4th November, here’s a quick look at the low wind conditions occurring on that day.
A quick look at a brief price spike in NSW and QLD on Friday evening 28th October – which appears to be related to a Ravine -Yass(2) 330kV line outage.
On Friday 14th October we saw a significant system event in Tasmania – with storms downing power links, leading to large (530MW) loss of load and trip of Basslink. In this article we take a first look at the sequence of events…
A quick look at this morning’s volatility in South Australia.
A quick look at a price spike at 06:45 on Monday morning 6th June … that has some parallels to yesterday evening.
A short walk through Sunday evening’s ‘out of the blue’ price spike in the South Australian region.
Marcelle explores the little-understood concept in NEM dispatch of the tie-break principle, using the new ‘Constraint Dashboard’ widget in ez2view.
A short article about this evening’s market volatility in the QLD region on Monday 16th May 2022
The ‘N-RVYS_2’ Constraint Set continues, with delays in the outage compared with expectations last week.