Out with a bang or a whimper? And a puzzle or two.
Guest author Allan O'Neil continues our series of posts on very low system demand levels in South Australia and Victoria on New Year's Eve, with a few unresolved...
Guest Author
Generator Compliance Management – Is it the “monster under the bed”?
New guest author (Aditya Upadhye) posts some thoughts about Generator Compliance Management - especially in the light of AER's stated priority of ‘improve market participants compliance with performance...
SA Islanding: Managing solar on the island
In our third guest authored post this week, Blake Ashton from SA Power Networks talks about the SA islanding event that occurred just over twelve months ago -...
Do we really need Eraring when we’ll have 5,500MW of batteries by 2026?
Tristan Edis from Green Energy Trading discusses whether a surge in renewable energy projects and battery capacity would be sufficient to fill any reliability gap before (and after)...
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,...
An ESOO snippet – how effective are different technologies at enhancing reliability?
In his second article about the 2023 ESOO, guest author Allan O'Neil takes a look at what the AEMO has published with respect to various options for firming...
Stock up on candles?
Last Thursday (31st Aug 2023) the AEMO published the ESOO 2023, including forecasts of some possibility of unserved energy in Victoria and South Australia this coming summer 2023-24...
Engineering the transition and control of electricity
Kate Summers gave the keynote address for the "System and market design for a high renewables future" session at the CEC's Clean Energy Summit earlier this week. This...
Let’s talk about Inertia
Inertia is an important concept to understand as the technology mix in the NEM evolves during the energy transition. In this article, Jonathon Dyson talks about the importance...
Too Early to Say?
Guest author, Allan O'Neil, publishes some analysis for WattClarity on price and generation mix changes apparent in the NEM coincident with (but not wholly caused by) the closure...
How dispatch works … it’s much more than just a bid stack
New guest author, Ryan Esplin progressively builds a more precise model of the NEMDE dispatch process to illustrate why the stylised 'Merit Order' bid stack model is increasingly...
Renewable curtailment – forced and not quite so forced
Inspired by the recent article by Tristan Edis (who referenced the GSD2022 in analysis of curtailment of some wind and solar farms), Allan O'Neil follows on with more...
Australia’s Renewable Energy Boom – The Good, The Bad and the Downright Ugly
Tristan Edis from Green Energy Markets takes a deep dive into generator performance across the NEM. He provides his take on which wind and solar farms have outperformed...
Timestamping Renewable Energy Certificates is a Bad Idea.
Tom Geiser argues against time-stamped Renewable Energy Certificates - and how the concept could impact trade, accuracy, market signals and other factors.
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...
The NEMs frequency behaviour – how is it going?
Following recent online discussions, Bruce Miller has produced this in-depth analysis of frequency behavior in th NEM.
Has adding wind and solar upped the need for FCAS in the NEM?
Allan O'Neil digs through historic FCAS enablement and utilisation levels to examine whether there is an increasing trend in recent years.
Price/MWh Harvest in the 2022 Generator Statistical Digest
Nick Bartels of Greenview Strategic Consulting uses the price energy harvest metric from our GSD2022 data extract to examine the recent performance of each fuel type within the...
Investigating last Friday’s frequent frequency swings
Allan O'Neil provides an explainer about how small deviations in supply and demand are managed in the NEM, in order to help us understand the apparent swings in...
The GSD2022: A labour of love
David Leitch of ITK Services provides his top insights from the GSD2022, which he has used to look into generation mix, constraints and firming.