Investigating last Friday’s frequent frequency swings
Allan O'Neil provides an explainer about how small deviations in supply and demand are managed in the NEM, in order to help us understand the apparent swings in frequency that we noted in QLD...
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The GSD2022: A labour of love
David Leitch of ITK Services provides his top insights from the GSD2022, which he has used to look into generation mix, constraints and firming.
Demand shortfall dodges need for large demand side contributions, QLD, 3 Feburary 2023
The forecast for Friday (3 February 2023) evening’s demand was that a new all-time maximum would occur and a lack of reserve was expected. To maintain the grid in a reliable operating state AEMO...
QLD Market Demand for 17:30 lands at ‘only’ 9750MW (Fri 3rd Feb 2023)
(Not even) close ... but no cigar. Actual level of Market Demand in QLD for 17:30 is about 10% below what the most extreme forecast thought it might be.
The worm has turned? Actual demand levels dropping lower than forecast (QLD 3rd Feb 2023) … maybe no record?
Today (Fri 3rd February 2023) is an illustration of the inherent difficulties in 'successfully' forecasting electricity demand!
Spot price volatility has begun (in QLD on Friday 3rd February 2023)
Second price spike in QLD today above $1,000/MWh ... with more to continue?
Wind not blowing in Queensland this afternoon as demand begins to rise
With demand beginning to rise sharply output at Queensland's four wind farms has been muted so far this afternoon.
Solar Production in QLD dropping faster than previously forecast (Friday 3rd February 2023)
The rain and cloud cover is delivering (amongst other things) a faster-than-expected drop in aggregate solar production in QLD.
RERT dispatched in QLD – at 17:30 on Friday 3rd February 2023
The RERT has been dispatched for 5:30PM this afternoon in Queensland
Availability at Tarong North Power Station almost halved as it nurses a tube leak
QLD may be down 200MW of available generation with record demand currently being forecast for late this afternoon.
Guest Authored Posts
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.
We need more research on storage trading
In this guest post, Greg Williams calls for more research into how storage bidding—particularly auto-rebidding—is reshaping price formation and competition as flexible assets take centre stage in the NEM.
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