AEMO releases outlook for Winter 2023
Worth a short note that (on the first official day of winter … though in temperature terms it started some weeks ago) they have published a Media Release...
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Digging further into ‘Aggregate Scheduled Target’, to understand what Dispatchable Capacity is actually required
In conjunction with the analysis done to complete GenInsights Quarterly Update for Q1 2023 (released today), here's 14 years of daily data of 'Aggregate Scheduled Target' that might...
GenInsights Quarterly Update for Q1 2023 released
A quick note on Wednesday 31st May 2023 to mark the release of GenInsights Quarterly Update for Q1 2023.
ABC says ‘coldest May minimum temperatures on record’
An ABC news article on 31st May provides some clues as to the volatility seen in some regions through May.
Spot volatility again, in QLD and NSW, on Tuesday evening 30th May 2023
It's Monday evening 30th May 2023 and prices have spiked in QLD and NSW again - similar situation as other recent days.
The never-ending (horror) story at Callide C … more long delays in expected Return-to-Service
More updates recently about the Callide C power station. Looks like we'll be waiting a while longer for the (delayed again) return to service...
Spot Price volatility in QLD and NSW on Friday 26th May 2023
Continuing the recent run of volatility in QLD and NSW, another bout (albeit shorter) on Friday 26th May 2023.
Vedran’s note today, about ‘more wind than hydro in Tasmania’ for early morning Thursday 25th May 2023
Prompted by a LinkedIn update by Vedran Kovac (at Hydro Tasmania) we've taken a quick look at the supply mix in Tasmania during the current week.
Spot market volatility on Thursday 25th May 2023 (and Actual LOR2 in NSW)
The sun's gone down on Thursday 25th May 2023, and prices have spiked (as in recent days).
AEMO declares Scheduling Error (incident #54) with respect to post-Liddell snag
AEMO has confirmed our earlier hunch of a Scheduling Error in the immediate aftermath of the Liddell unit retirements.
An imminent improvement to the bidding and dispatch process for Semi-Scheduled units
AEMO is re-enabling the ‘MaxAvail’ figure in bids for Semi-Scheduled units. It will act as a limit on capacity available, feeding into the NEMDE dispatch process for the...
(Early!) winter evening volatility returns to QLD and NSW on Wednesday 24th May 2023
A quick article to capture volatility in QLD and NSW on Wednesday evening 24th May 2023.
IRPM drops below 15% on Tuesday 23rd May 2023
A short article this evening noting IRPM has dropped below 15% on a NEM-wide basis (a tight supply-demand balance).
AEMO’s MMS 5.2, ez2view v9.7, Semi-Scheduled MaxAvail in the Bid, and a self-forecasting example
Today (Tue 23rd May) is the go-live date for AEMO's EMMS v5.2 - which will contain new data for some market enhancements. Here's a quick look at where...
Evening volatility in QLD and NSW on Saturday 20th May 2023
A short article to mark an evening burst of volatility in QLD and NSW, with VIC1-NSW1 again constrained.
Brief burst of volatility in QLD and NSW on Wednesday 17th May 2023
A short article to record evening price volatility in NSW and QLD on Wednesday 17th May 2023
Too Early to Say?
Guest author, Allan O'Neil, publishes some analysis for WattClarity on price and generation mix changes apparent in the NEM coincident with (but not wholly caused by) the closure...
We’re not building enough replacement dispatchable capacity
With completion of GenInsights Quarterly Update for Q1 2023 approaching, and following some conversations recently (and probably this week at EUAA Conference) here are two charts looking backwards...
How dispatch works … it’s much more than just a bid stack
New guest author, Ryan Esplin progressively builds a more precise model of the NEMDE dispatch process to illustrate why the stylised 'Merit Order' bid stack model is increasingly...
NEMwide IRPM drops below 15% (at 17:55) on Wednesday 10th May 2023
The IRPM has dropped below 15% across the NEM on Wednesday 10th May 2023 ... first time this has happened since the stressful winter 2022.