Yass to Wagga control scheme update removes some constraints
The notice informs us that an update to the Yass overload trip scheme means it is now managing flows on lines 990, 991 and 970 132kV in both directions.
All Posts
Friday morning update from WeatherWatch, and TC Alfred
Because not all have access to Anthony Cornelius' updates on LinkedIn, but many are interested in TC Alfred, I have shared Anthony's update from Friday morning 7th March 2025 here.
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 of Directlink. This follows localised distribution...
High level uncertainty about daytime QLD (and to a lesser extent NSW) ‘Market Demand’ with TC Alfred
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 TC Alfred.
Overview of Regulation FCAS costs in 2024
This article reviews regulation FCAS costs in 2024, relative to maximum capacity, and uncovers drivers behind high non-scheduled unit costs.
Regulation prices and enablement – a historical review
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 and prices.
(A first step into the complexities of) the Dispatch Interval in the Real World
A third step in the 'Energy Literacy' journey in helping readers to understand the complexities within each and every Dispatch Interval.
Afternoon trip of Bayswater unit 3 delivers rapid drop in Mainland Frequency
A quick record of a unit trip at Bayswater Power Station on Wednesday afternoon 5th March 2025.
Unplanned outage of No 1 leg of Directlink (was this related to the emergence of TC Alfred?)
AEMO says 'At 1030 hrs the Ewingsdale-Mullumbimby 9G5 132kV line and the Directlink DC1 tripped'. Was this related to TC Albert?
Comparing Frequency Measures (Frequency, FI, FM)
The faster-moving nature of the FM, with the introduction of FPP, removes predictability in the indicator for frequency performance.
Guest Authored Posts
Why Gladstone’s prospective closure reveals a new kind of NEM failure
With the Queensland state government’s new energy roadmap due out tomorrow, Greg Elkins highlights how distorted signals and state interventions expose a new NEM failure.
The increasingly stochastic and volatile NEM
Oliver Nunn from Endgame Economics argues that we must begin to think about the distribution of prices in the NEM as a function of weather.
Detailed Analysis
N/A