Looking back at operations at Kogan Creek over the past 20 days
On Friday 29th September 2023 we look back at Kogan Creek via ‘Bids & Offers’ in ez2view over 20 days to see what’s visible, in terms of any impact of the current Industrial Action
generator rebid
Beryl Solar Farm (BERYLSF1) shut down with grass fires
Alerted by RenewEconomy on social media that Beryl Solar Farm was offline due to bushfires, I used ez2view to take a quick look.
Case Study of Wednesday 10th August 2022 – Part 1 (Response of Wind Farms)
Walking through some of the responses I can see in 19 of 67 Wind Farm units on Wednesday 10th August 2022 … when a software glitch delivered extreme contingency FCAS prices across all regions (though they were subsequently revised down).
Highlighting Coopers Gap Wind Farm rebid on Sunday evening 12th June 2022
Will need more time to think why Coopers Gap WF would bid in this way on Sunday evening with ‘Actual LOR2’ notices at play.
Summary view of supply-side contributions in QLD during ‘heatwave week’ – particularly Tue 1st Feb 2022 and Wed 2nd Feb 2022
An initial review of some (wholesale) supply-side factors contributing to the extreme price volatility (and Reserve Trader etc) that occurred in the first week of February 2022 in the QLD region of the NEM.
Price volatility in South Australia Thursday evening 30th December 2021
This morning I’ve taken a quick look at market activity in South Australia on Thursday evening, 30th December 2021.
Two recent improvements (in late November 2021) by AEMO in the dispatch process
A short article (in the midst of GenInsights21 completion) more broadly sharing 2 good news stories from AEMO in the context of the NEMDE dispatch process.
A sneak peak at the increasing volume of bidding at some Large Solar Farms in the NEM
A short article today, to share an image from the upcoming GenInsights21 release, and to pose some questions – about what’s been happening with the rise (and fall!) of bid volumes at Large Solar Farms in the NEM.
Initial look at the latency of all rebids
Following from some analytical work performed in testing for Five Minute Settlement, here’s a view of latency of rebids (all DUIDs, all commodities) in recent months that prompts a number of questions…
What does ‘next day public’ data show us about Tuesday’s re-start of operations at Victoria Big Battery
A quick additional look at activity Tue 28th Sept 2021 for Victoria Big Battery – as seen in ez2view with the benefit of ‘Next Day Public’ data.
Prior to the wider release of the GSD2020 … here’s a 10-year trend of bidding behaviour
A chart we threw together quickly at Beer O’Clock today (from the imminent release of the GSD2020) was worth sharing more broadly on WattClarity today…
‘Too Low for Zero’ as a parable for the AER Issues Paper?
Here’s an attempt to translate the concern underlying the AER Issues Paper into ‘plain English’ via the popular song.
Observing Easter Saturday, a little belatedly
Guest author, Allan O’Neil, invests some time to explore a number of different aspects of Easter Saturday (11th April 2020), each noteworthy in their own right (including low demand, high percentage share renewables, negative prices and dynamic bidding)
A day in the life of a large-scale Solar Farm in the NEM –a Case Study of Ross River Solar Farm on Thursday 10th October 2019
Thursday 10th October 2019 presented another day of many negative price events in the QLD region. In this Case Study (prepared for dual purposes) we look at how one particular solar farm operated through this period – Ross River Solar Farm.
Very preliminary review of Quantity and Quality of Rebids suggests some interesting details…
As part of the process of compilation of our Generator Report Card 2018, we’re delving into quite some detail into various aspects of generator bidding and re-bidding. Today I thought it might be useful to share some *very early and preliminary* observations that we’re starting to see when trending and categorising rebids.
Puzzling through three rule change requests
Some ideas that I have been puzzling over – about the overlaps and contradictions between 3 rule changes under consideration at the AEMC currently
1) The Demand Response Mechanism (better known as the Negawatt buyback mechanism)
2) The Bidding in Good Faith deliberation
3) The Requirement for Price-Responsive (large) Demand to bid into central dispatch
What happens if (when?) existing wind farms cross to “the Dark Side”?
A quick look at a price spike that occurred Monday evening (4th August) in South Australia
How prices will be set, under the new “Demand Response Mechanism”
Some worked examples of how several forms of Demand Response (including the proposed new Demand Response Mechanism) might impact wholesale prices, and participant positions.
No, these were not spurious price spikes in Queensland today
Some quick observations about the patterns of volatility seen this week in Queensland
Is solar PV providing more opportunity for spot price engineering?
Some initial analysis looking into the question of whether the increased penetration of solar PV is increasing the variability of scheduled demand to the point that generators can exert more pressure on spot prices.