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...
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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...
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...
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.
Twelve hours of Mainland NEM System Frequency on Friday 3rd February 2023
Another article today presenting 12 hours of history of System Frequency (to ~14:00 on Friday 3rd February 2023) with a few questions added. Comments welcome!
Every extra little bit may help: 50MW temporarily added to QNI limit
An AEMO market notice from yesterday afternoon declares that an extra 50MW has been made available on the QNI interconnector.
AEMO contracts Reserve Trader (in QLD, on Fri 3rd Feb 2023), but trigger not yet pulled
AEMO starts the Reserve Trader process for the QLD region this evening (Fri 3rd Feb 2023).
Quick Friday morning look-ahead to Friday evening in QLD
A quick article for Friday (3rd Feb 2023) morning, looking ahead to this evening and what AEMO's current forecasts are saying for this evening.
Thursday morning look ahead to forecasts for tomorrow (Friday 3rd Feb) evening in Queensland
A quick Thursday morning look at changing forecasts for Friday evening in QLD.
Forecasts pointing to record demand and other risks in QLD for Friday afternoon.. but caveats aplenty
Our fourth article looking forward to this Friday afternoon (3rd February 2023) in the Queensland region, where successive AEMO STPASA forecast data is showing considerable variability about what...
A burst of heat and volatility in QLD on Tuesday 31st January 2023
A quick recap of some market volatility (and other developments) in QLD on Monday 31st January 2023
Examining the $112/MWh revenue that Genex’ Jemalong Solar Farm generated in Q4 2022
Dan Lee uses our hot-off-the-press GSD2022 to examine the Q4 revenue figures that Genex Power recently released for Jemalong Solar Farm.
Tuesday afternoon look at the (escalating) forecast for Friday 3rd February 2022 … but later the forecast LOR2 was cancelled, and then reinstated
Second article (on Tuesday 31st Jan 2023) looking forward towards a tight supply-demand balance forecast for the QLD region on Friday evening 3rd February 2023.
Farewell Liddell
Guest author, Allan O'Neil, takes the release of the GSD2022 as an opportunity to take a look at the past 10 years of performance of the four-unit Liddell...