Very Fast FCAS, because it operates at a faster timescale, can arrest the rise or fall in frequency more rapidly than the current fast service and therefore provides an avenue to mitigate the costs of needing to procure increasing levels of the existing fast service. The markets (raise and lower) are going live on 9 October 2023.
A short note about the AEMC’s draft determination, published today.
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 timeframe.
On Friday last week (4th August 2023) the proposed design of the ‘Capacity Investment Scheme’ was published … with submissions requested before Thursday 31st August 2023.
The change to use MaxAvail from the energy bid, for semi-scheduled units, was implemented on 7 August 2023.
Today (Thu 3rd Aug 2023) the AEMC commenced a process of examining the proposed establishment of a ‘Scheduled Lite’ mechanism …
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 plant have currently been treating MaxAvail in the bid and share some insights.
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 ez2view, highlighting some considerations for Semi-Scheduled units and self-forecasting.
A short, belated (and back-dated) article about the change to the original IESS Rule.
Tom Geiser argues against time-stamped Renewable Energy Certificates – and how the concept could impact trade, accuracy, market signals and other factors.
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 grow for the Semi-Scheduled category and remind us of that question …
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 future for Participation Categories in 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 precedes some changes AEMO might make on Tuesday 27th 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.
We thought it would be worth linking to Jim Chalmers’ article this week in The Monthly, as it seems these ideas will have (more) implications for the National Electricity Market.
A consultation paper (emissions reduction objective in the NEO) has been released, with submissions due 7th Feb 2023.
A short note to mark the agreed introduction of a “Capacity Investment Scheme” … but not for fossil-fuelled assets.