We need more research on storage trading
In this guest post, Greg Williams calls for more research into how storage bidding—particularly auto-rebidding—is reshaping price formation and competition as flexible assets take centre stage in the NEM.
Rise of the Auto-Bidder
A catalog of articles tagged with the ‘rise of the auto-bidder’.
Three themes from the Energy Storage Summit 2025
Dan provides a brief write-up of his notes from attending the Australian Energy Storage Summit in Sydney last week.
Hot chips, algorithms and electricity markets
Declan Kelly thinks through and discusses competition issues that could arise from the increasing proliferation of auto-bidding software by big batteries in the NEM - and suggests some pre-emptive steps that that could be...
Data Intensity of operating in the NEM, and implications for algorithmic bidding
Philippe Orhan from Neoen shares this article which is adapted from his presentation about BESS bidding (and dealing with the complexity in the data) in the NEM at the recent All-Energy conference in Melbourne.
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...
“Rise of the Machines” – the increasing role of auto-bidding and self-forecasting in the modern-day NEM
On Thursday 17th March, Jonathon Dyson presented at the CEC Wind Industry Forum in Melbourne about the increasing role of auto-bidding and self-forecasting in the modern-day NEM. In this article, he shares some of...
What does the future hold for Wind and Solar in the NEM – seen via GenInsights21?
Following from the release of GenInsights21, in this article we look at some of what that analytical publication can help us understand, in terms of how the changing market is impacting on the role...
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.
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...
The rise of the auto-bidder
A trend of monthly total number of bids shows clear indication of 'the rise of the auto-bidder'.
Exploring several categories of Stakeholder in ‘Generator Insights 2021’
In our development of GenInsights21, we're exploring ways to also include some analysis of different types of stakeholders in the generation process. In this article we outline a couple (and seek your input).
Announcing development of ‘Generator Insights 2021’, and inviting your pre-order
As alluded to in several recent articles, we have underway a process for updating the ~180 page analytical component included in the Generator Report Card 2018 (released 23 months ago now). We are targeting...
Cyclone in Western Australia douses solar production in South Australia on Tue 13th April 2021
Looking back at Tuesday 13th April 2021 - a day in which the ex-tropical cyclone Seroja in Western Australia caused some wobbles in rooftop solar PV output in South Australia.
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...
Case Study Part 4 – Who did What – in QLD on Tuesday 13th October 2020?
In part 4 of this expanding Case Study of the unexpected price spike on Tuesday 13th Oct, linked to a large & sudden drop in output across 10 solar farms, we take a quick...
Diving deeper (part 2), about low demands on Saturday 29th August 2020
Prompted, in part, by yesterday's record low for Victorian demand, today I have finished off my earlier review of what happened on Saturday 29th August (8 days earlier) when demand levels also dropped in...
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...
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...
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...