QLD Market Demand reaches 9,512MW on a hot Sunday afternoon–12th February 2023
A quick look at how Market Demand peaked on a hot Sunday afternoon/evening in QLD.
RERT cost estimates released for 3 February 2023
Estimated RERT costs published, pushing past the market price cap for dispatched volumes.
Callide C4 generator stator is now at Callide Power Station
News of the arrival of another high cost replacement component (generator stator) at Callide C4 prompts me to have an updated look … with a new feature in ez2view.
Spot volatility, and an Actual LOR1, in South Australia on Thursday 9th February 2023
Prices have subsided somewhat at the time of publication, but here’s a record of some volatility earlier this evening in South Australia.
Weather! The cause of.. and solution to.. all the electricity market’s problems?
Dan Lee tracks the demand forecasts against the actual outcome in QLD last Friday afternoon. The final result was as much as ∼1,000MW lower than the maximum forecast of demand published by the AEMO, which alludes to the inherent difficulty of electricity market forecasting.
Price/MWh Harvest in the 2022 Generator Statistical Digest
Nick Bartels of Greenview Strategic Consulting uses the price energy harvest metric from our GSD2022 data extract to examine the recent performance of each fuel type within the NEM.
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 last Friday.
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 signaled to the market that the…
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.
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.