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).
Seasonal Record of Events in the Market
Collections of events that we see happening in the NEM, categorised in terms of the seasons in which they occur.
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
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.
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.
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
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 get so far … and then added some *speculation* about how it might have been related to the retirement of Liddell from market systems. Is this accurate?
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 Liddell).
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 low reserve condition for the middle of the afternoon tomorrow, Saturday 29th April 2023.
Beryl Solar Farm (BERYLSF1) shut down with grass fires
Alerted by RenewEconomy on social media that Beryl Solar Farm was offline due to bushfires, I used ez2view to take a quick look.
Liddell’s unit 4 closes
A quick note to show the last dispatch interval of output from Lidell Unit 4, with the two remaining units slated to follow suit in the coming days.
Case Study of Friday 20th January 2023 (Part 1) … large instance of collective over-performance for Semi-Scheduled units
Another short article today (also from GenInsights Quarterly Update for Q1 2023) presenting an overview of Aggregate Raw Off-Target (AggROT) for Semi-Scheduled units on Friday 20th January 2023.
Glitch with Victorian SCADA data triggers (>24 hour) Market Suspension in Victorian Region – Saturday 22nd April 2023
In an event (that seems) similar to 17th March 2023, a glitch in SCADA leads to the suspension of the market in the Victorian region on Saturday afternoon/evening 22nd April 2023.
New low-point for demand in NSW on Easter Sunday, 9th April 2023
It’s Easter Sunday (9th April 2023) and it looks like NSW minimum demand has fallen further from the prior record set 6 months ago.
Reviewing what happened in NSW and QLD on Thursday 16th March 2023 (with Actual LOR2, Volatility and Reserve Trader almost triggered, etc) … part 1
Given the significance of the event (Reserve Trader almost triggered on Thursday 16th March – 34 days till the closure of Liddell Unit 4) we’re investing some time in exploring more detail of the event. This is Part 1.
Spot price volatility in QLD and NSW on Sunday 19th March 2023
A quick record of the start of volatility on Sunday evening 19th March 2023.
Brief (55 minute) Market Suspension on 17th March 2023 in NSW due to service interruption of SCADA systems
A just-announced AEMO market notice has declared a temporary suspension of the NSW market.
New all-time record for Operational Demand in QLD on Friday 17th March 2023 … but not for Market Demand
Looks like a new all-time record for Operational Demand in the QLD region early this evening, Friday 17th March 2023.