Semi-Scheduled Bid MaxAvail – Initial Results
A week’s worth of data provides indications of how semi-scheduled generators are using bid MaxAvail to manage dispatch availability.
Market Reform
What inputs and processes determine a semi-scheduled unit’s 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.
Discussion Paper released on Capacity Investment Scheme
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.
Implemented: Enablement of bid energy MaxAvail for semi-scheduled generators
The change to use MaxAvail from the energy bid, for semi-scheduled units, was implemented on 7 August 2023.
The proposed voluntary ‘Schedule Lite’ mechanism starts being deliberated at the AEMC
Today (Thu 3rd Aug 2023) the AEMC commenced a process of examining the proposed establishment of a ‘Scheduled Lite’ mechanism …
Enablement of ‘MaxAvail’ in the Bid for Semi-Scheduled units to go live (Mon 7th or Tue 8th Aug 2023) … and other enhancements in future
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
An imminent improvement to the bidding and dispatch process for Semi-Scheduled units
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.
AEMO’s MMS 5.2, ez2view v9.7, Semi-Scheduled MaxAvail in the Bid, and a self-forecasting example
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.
AEMC publishes Rule Determination for amending the (earlier published) IESS Rule
A short, belated (and back-dated) article about the change to the original IESS Rule.
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.
Delving deeper into dispatch availability self-forecasting performance
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.
Some revelations in GenInsights Q4 2022 about Aggregate Raw Off-Target for Semi-Scheduled units
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 …
Observation 13/22 from GenInsights21 – is the Semi-Scheduled category sustainable or scalable?
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…
Some revelations in GenInsights Q4 2022 about Self-Forecasting
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.
Observation 15/22 from GenInsights21 – what is the purpose of Self-Forecasting?
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.
What does ‘Rethinking Capitalism’ mean, for the National Electricity Market?
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.
Discussion Paper released with respect to adding Emissions Reduction into the NEO
A consultation paper (emissions reduction objective in the NEO) has been released, with submissions due 7th Feb 2023.
The Capacity Market is dead … long live the ‘Capacity Investment Scheme’?!
A short note to mark the agreed introduction of a “Capacity Investment Scheme” … but not for fossil-fuelled assets.
The Administered Price Cap has increased to $600/MWh as of today 1st December 2022
A rule change increasing the Administered Price Cap from $300/MWh to $600/MWh, submitted by Alinta Energy, has come into effect today.
Enhancement of ASEFS and AWEFS forecasts provided by AEMO – from Wednesday 23th November 2022
A short article, to record the upgrade of the ASEFS and AWEFS forecasts for Semi-Scheduled (i.e. Wind and Large Solar) units.