With the 2023 ESOO report, different views about which USE figure should the AEMO have led with?
Here’s my view on whether Figure 2 should have preceded Figure 1 (with respect to projections of unserved energy … USE) in the 2023 ESOO.
The 2023 ESOO report shows coal unit EFOR is still a significant factor
One observation about the 2023 ESOO is that EFOR (equivalent forced outage rate) for coal and large gas units is a large and growing challenge.
The 2023 ESOO report clarifies why the transmission model only includes ‘System Normal’ – and why it’s a simplification
One observation about the 2023 ESOO is that AEMO is has highlighted the set of constraints modelled is only ‘System Normal’.
The 2023 ESOO modelling provides a more accurate real world depiction of Wind Farm limitations at high temperatures
One observation about the 2023 ESOO is that AEMO is now modelling (more accurately) the high temperature degradation on wind farm performance.
AEMO releases 2023 ESOO on Thursday 31st August 2023 (Australia’s NEM is perched on the edge)
AEMO notes that ‘Australia’s NEM is perched on the edge’ in the 2023 ESOO, released today (Thu 31st Aug 2023)
Power Surge on 30th August 2023 affects Azure Services – and hence AEMO services (and GR services)
A quick status update, early on Thursday 31st August 2023, about issues at Azure (caused by a power surge) that has been affecting AEMO (and our) systems.
Case Study of high AggSchedTarget on Thu 30th Jan 2020 and Fri 31st Jan 2020 (part 1!)
In this article we delve in deeper on Thu 30th Jan and Fri 31st Jan 2020 … two days that saw extreme levels of ‘Aggregate Scheduled Target’ (i.e. AggSchedTarget – a requirement for firming capacity). A timely review, given two developments arriving tomorrow (on Thursday 31st August 2023).
2+ hour bout of spot price volatility in SA on Wednesday morning 30th August 2023
A quick record of some spot price volatility in South Australia on the morning of Wednesday 30th August 2023.
EnergyAustralia notes the likely change of operating mode for Mt Piper coal-fired power station in NSW
Third article today looking back at news with respect to ‘coal closure’ … this article pertaining to EnergyAustralia’s Mt Piper station in NSW.
Reports of recommendations to consider extending the life of Eraring Power Station
Also in the past week, news media (claiming to have sighted some of the ‘Electricity Supply and Reliability Check Up’ from MJA with respect to Eraring Power Station) report the potential extension of service.
AGL Energy and VIC Govt entered into ‘Structured Transition Agreement’ relating to Loy Yang A
An article at the end of the week in which AGL Energy announced the establishment of a Structured Transition Agreement (STA) with respect to Loy Yang A and the notice of closure for 30th June 2035.
GenInsights Quarterly Update for Q2 2023 released
A quick note to mark the the release of GenInsights Quarterly Update for Q2 2023 last week.
New low point for ‘Market Demand’ in QLD on Sunday 20th August 2023
A sunny late winter’s day in QLD sees new low point for minimum Market Demand.
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.
Evening volatility in SA, VIC, NSW and QLD on Tuesday 15th August 2023
A quick record of volatility Tuesday evening 15th August 2023
Price volatility in SA on Sunday afternoon 13th August 2023
Continuing network outage, and weather conditions, leads to long duration of elevated price in SA over the weekend.
Over four hours of volatility in the SA region on Friday evening 11th August 2023
Some quick notes about volatility in SA on Friday evening 11th August 2023.
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.
7th Aug 2023 – EnergyAustralia ‘continues to focus on strengthening performance following improved first-half results’
A belated and back-dated article to point to the EnergyAustralia Media Release of 7th August 2023 about the $400 million outage plans for Yallourn for 2023 and 2024.