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.
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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...
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...
Guest Authored Posts
Not all renewable projects are created equal: Why approval times vary dramatically across Australia
Alice Matthews examines how approval times for renewables vary widely by state and technology — with NSW wind projects facing the longest delays.
Triple C conditions (cold, calm and cloudy) across the NEM last Thursday evening 26th June 2025
Carl Daley examines the underlying conditions and outcomes that occurred last Thursday evening, the 26th of June.
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