Tasmania’s grid frequency on Friday 12 April 2024
Three data points points help to highlight the change in grid frequency in Tasmania on 12 April 2024.
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Low wind production on Monday morning 15th April 2024
A short article to record low wind, particularly in SA and VIC on Monday morning 15th April 2024 - hence elevated prices.
The Australian notes how Callide C was back in court again this week
Another update from the Australian during the week with respect to the Federal Court proceedings with respect to Callide C (particularly unit C4).
Trip of 550MW of industrial load in Tasmania on Friday 12th April 2024
A belated article recording how (on Friday 12th April at 10:48) the Sheffield - Farrell No.2 220 kV line tripped during restoration due to fault on the line, disconnecting ~550MW of major industrial load...
An update on Callide C3 (back online) and Callide C4 (still offline)
A few separate questions about Callide C3 and C4 in recent days prompts this short status update on both units.
Network outage (currently underway) on Murraylink DC interconnector
Whilst thinking about interconnectors, there's an outage currently underway on Murraylink.
Increase in NSW to QLD transfer limit on QNI to 850MW
AEMO note that (from 10:00 on Wed 10th April 2024) the QNI export limit will increase to a possible 850MW ... we take a quick look at history.
Optimising a highly renewable NEM from scratch, Part 2
In Part 2 of their modelling and analysis project, David Leitch and Paul Bandarian discuss the modelled results of their sharpe ratio-maximised VRE system, including additional considerations regarding transmission.
What was the cause of the coincident trip of Eraring units 1 and 2?
It's Monday 8th April, the two Eraring units that tripped last week are back online - and I wonder what the cause of the coincident trip was?
Supply-side responses following the trip of two Eraring units on Wednesday 3 April 2024
An inspection of bids and dispatch outcomes indicates some units helped compensate for the loss of supply with the trip of ER01 and ER02.
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.
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