Games that self-forecasters can* play (Part 1 – An Overview)
I've promised to write this article for some time, but a few recent events (and looming start of FPP) have caused me to publish this now.
A collation of articles pertaining to the obligations of Semi-Scheduled units operating in the NEM.
I've promised to write this article for some time, but a few recent events (and looming start of FPP) have caused me to publish this now.
At the end of February 2025, the AER wrote to Semi-Scheduled generators, and other interested parties, warning of the AER’s concerns about self-forecasting practices.
Two weeks after the AER published its updated Compliance Bulletin (and Compliance Checklist) for Semi-Scheduled units, we've finally found time to note about it.
Semi-scheduled generators shouldn't treat self-forecasts as commercial parameters. The regulator holds significant concerns with the biasing of self-forecasts for commercial benefit.
James Tetlow of Overwatch Energy shares this article which is adapted from his presentation about BESS operations in the NEM at the recent All-Energy conference in Melbourne.
Our GSD2023 was released just over 4 weeks ago. This is the second sequential article utilising the GSD2023 Data Extract to take a look across all the Semi-Scheduled units (i.e. Wind and Solar). In...
Our GSD2023 was released just over 4 weeks ago. Finally today I have a chance to utilise the GSD2023 Data Extract to take a look across all the Semi-Scheduled units (i.e. Wind and Solar)...
A week's worth of data provides indications of how semi-scheduled generators are using bid MaxAvail to manage dispatch availability.
It is indispensable to understand how the semi-scheduled unit availability gets produced to optimally manage the critical inputs and comprehend dispatch outcomes. This article explains the key inputs and processes, focusing on the dispatch...
The change to use MaxAvail from the energy bid, for semi-scheduled units, was implemented on 7 August 2023.
2 x AEMO Market Notices this afternoon prompt this article about four upcoming Market Enhancements ... with the first to planned to commence from next Monday 7th August 2023
AEMO is re-enabling the ‘MaxAvail’ figure in bids for Semi-Scheduled units. It will act as a limit on capacity available, feeding into the NEMDE dispatch process for the unit. We look at how Semi-Scheduled...
Today (Tue 23rd May) is the go-live date for AEMO's EMMS v5.2 - which will contain new data for some market enhancements. Here's a quick look at where this first change will appear in...
We delve deeper into dispatch availability self-forecasts and the assessment process to further enhance our understanding of this important aspect, testing sensitivity to gate closure times and requirements on minimum intervals.
In today's article (a third snippet from GenInsights Quarterly Update for Q4 2022) we take a look at levels of large 'Aggregate Raw Off-Target' (i.e. large collective deviations away from Target), which continue to...
Here on this site, and also in real discussions in the offline world, we have been pondering this question for a number of years. For instance, it was pondered in Theme 13 (‘What’s the...
This first excerpt from GenInsights Quarterly Update for Q4 2022 looks specifically at the trended level of adoption of self-forecasting for Semi-Scheduled Solar Farms in the NEM. This article on Monday 26th February 2023...
Today, more than 14 months after the publication of GenInsights21 we're sharing Key Observation 15 of 22, relating to self-forecasting for Semi-Scheduled units.
A short article, to record the upgrade of the ASEFS and AWEFS forecasts for Semi-Scheduled (i.e. Wind and Large Solar) units.
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...