More network trips in northern NSW, on Friday 7th March 2025 (is TC Alfred involved?)
The AEMO notes that, at 06:12 (NEM time) on Friday 7th March 2025 various 132kV lines between Lismore and Mullumbimby tripped, along with No 1 and 2 cables...
The AEMO notes that, at 06:12 (NEM time) on Friday 7th March 2025 various 132kV lines between Lismore and Mullumbimby tripped, along with No 1 and 2 cables...
AEMO is seeing considerable uncertainty in forecasting daytime 'Market Demand' for QLD (and NSW, to lesser extent) in the near term due to uncertainties in the approach of...
This article reviews regulation FCAS costs in 2024, relative to maximum capacity, and uncovers drivers behind high non-scheduled unit costs.
The introduction of frequency performance payments in 2025 changes how costs of regulating frequency are quantified and allocated. This article inspects historical trends in regulation FCAS enablement levels...
A third step in the 'Energy Literacy' journey in helping readers to understand the complexities within each and every Dispatch Interval.
A quick record of a unit trip at Bayswater Power Station on Wednesday afternoon 5th March 2025.
AEMO says 'At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line and the Directlink DC1 tripped'. Was this related to TC Albert?
The faster-moving nature of the FM, with the introduction of FPP, removes predictability in the indicator for frequency performance.
A first walk through the ‘Q^^TR_CLHA_-600’ constraint equation (at the 10:00 dispatch interval on Monday 3rd March 2025), before 'next day public' data is available.
A second step in the 'Energy Literacy' journey in helping readers to understand the complexities within each and every Dispatch Interval.
This article is a first step into exploring some of the complexities within three of the commonly used time-steps across the NEM.
All I have time to do now is note another change greater than 400MW in a 5-minute period – this time in in Victoria to the 11:10 dispatch...
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.
Full financial operation commences 8 June 2025.
The implementation of the Primary frequency response incentive arrangements rule is driving change in how system frequency is controlled and paid-for. The changes stem from how the NEM...
The NEM operates at a frequency of 50 hertz (Hz) which means the alternating current should cycle 50 times a second between positive and negative voltage.
The AEMC has announced that the Market Price Cap will increase to $20,300/MWh from 1st July 2025. Should we be so surprised?
Over many years we've invested deeply in analysing the nuanced answer to the question 'Is VRE Forecastable?'. This article (which has almost been posted many times before) is...
Following a question from a client today, we take a quick look at (some of) what the GSD2024 reveals of FCAS market participation of Semi-Scheduled units.
Declan Kelly thinks through and discusses competition issues that could arise from the increasing proliferation of auto-bidding software by big batteries in the NEM - and suggests some...