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.
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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.
Renewable curtailment – forced and not quite so forced
Inspired by the recent article by Tristan Edis (who referenced the GSD2022 in analysis of curtailment of some wind and solar farms), Allan O'Neil follows on with more...
Currently forecast LOR2 for South Australia for Wednesday 10th May 2023
A first look at a forecast for tight supply-demand conditions for South Australia on Wednesday 10th May 2023.
Liddell’s ghost stalks the market
During early morning Monday 1st May prices spiked in the NSW quite unexpectedly. Guest author Allan O'Neil takes us into the complexities of the EMMS and NEMDE to...
AEMC publishes Rule Determination for amending the (earlier published) IESS Rule
A short, belated (and back-dated) article about the change to the original IESS Rule.
A spike at 16:15 hints at volatility to resume in SA with the sun setting, on Thursday 4th May 2023
A second article today about volatility in South Australia
AEMO preliminary report on VIC region suspension (loss of SCADA) on 22nd April
Here's where to find AEMO's preliminary report on the loss of SCADA on 22nd April 2023 in Victoria that led to that region being suspended for more than...
Morning volatility in South Australia on Thursday 4th May 2023
The South Australian price has been bouncing up above $10,000/MWh on Thursday 4th May 2023
A second (still rushed) look at volatility in NSW very early on Monday 1st May 2023 … a possible snag with Liddell retirement from market data systems?
Taking a second look at the very early morning volatility in the NSW region on Monday 1st May 2023, we've used the 'Constraint Dashboard' widget in ez2view to...
Australia’s Renewable Energy Boom – The Good, The Bad and the Downright Ugly
Tristan Edis from Green Energy Markets takes a deep dive into generator performance across the NEM. He provides his take on which wind and solar farms have outperformed...
Spot price volatility in NSW and SA on Monday 1st May 2023
A very quick look at separate bouts of volatility on Monday 1st May 2023 - firstly in NSW and then later in South Australia.
Relatively low wind harvest through Sunday 30th April is a reminder of challenges in the energy transition
A quick article on Sunday evening to highlight the difference between sunlight hours and darkness hours in terms of pricing patterns today (the weekend following the closure of...
That’s all folks: the last unit of Liddell Power Station closes
Liddell Unit 1 ramped down it's output to 0MW at roughly 10:30am this morning, signaling the full retirement of Liddell Power Station.
AEMO’s QED for Q1 2023 + AER’s analogous report released
A short article to note that the AEMO released it's QED for Q1 2023 this morning, and a list of the early media coverage.
AEMO intermittently forecasting LOR2 (Low Reserve Condition) for NSW for Saturday 29th April 2023 – the day after the last Liddell unit is scheduled to close
As many know, Liddell Unit 1 is slated to close today (the last of the 4 units), Friday 28th April. Unfortunately coincident with that, AEMO is forecasting LOR2...