A (very slight) delay to closure of Liddell unit 4 … but LD01 and LD02 slightly earlier
Latest data from AEMO (from Fri 14th April) suggests Liddell unit 4 might close a couple days later than when we’d looked in February.
Delving deeper into dispatch availability self-forecasting performance
We delve deeper into dispatch availability self-forecasts and the assessment process to further enhance our understanding of this important aspect, testing sensitivity to gate closure times and requirements on minimum intervals.
Questions about electricity bills with closure of Liddell looming
Around eight days till the scheduled closure of Liddell’s next-to-close unit (and prompted by an article in the AFR), we take a quick look at how they’ve been bidding.
Case Study of 17:05 on 27th October 2022… Part 4: the geographical spread of +861MW AggROT
In the fourth instalment of this ongoing case study, Dan Lee maps the locations and contributions of the semi-scheduled units that contributed to the +861MW Aggregate Raw Off-Target that occurred on the afternoon of October 27th 2022.
Some analysis of electricity usage (and solar production) at home
The long weekend provided an opportunity to review 10 years of electricity bills at home to look at net usage patterns and net solar injections from our home rooftop solar system. What have we found, at this point?
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.
AEMO published Preliminary Report into NSW brief market suspension on 17th March 2023
On 6th April 2023 the AEMO published this preliminary report into the brief market suspension that occurred in NSW on 17th March 2023.
Bye X5, Hi X5
From 16th March 2023 the infamous ‘x5 constraint’ has been split into two. We quickly showed previously that the design of the Left Hand Side (LHS) does not vary. In today’s article, valued guest author Allan O’Neil takes a look at what is different.
AEMC’s Reliability Panel releases 2021-22 FY Annual Market Performance Review
A short note to mark the Reliability Panel’s annual review of market performance which covers system reliability, security, and safety over the 2021-22 FY – which includes the June 2022 market suspension.
AFR reports Callide C co-owner (with CS Energy) goes into voluntary administration
AFR and the Australian (and elsewhere?) there are reports of the co-owner of Callide C (with CS Energy) being placed in voluntary administration.
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.
AEMO forecasts point towards a possible record total demand in QLD this afternoon on 17th March 2023
Following last night’s market volatility, QLD’s total demand is currently forecast to go beyond its highest recorded point.
Actual LOR2, and a run of volatility in NSW and QLD … only 34 days till the closure of Liddell unit 4
Looks like we’ve (sort of) dodged the Reserve Trader bullet on Thursday evening 16th March 2023 … but still poses plenty of questions.
AEMO commences RERT negotiations in NSW on Thursday 16th March 2023
Second post for this afternoon/evening following AEMO announcement to commence RERT Negotiations for this evening in NSW.
Late ‘summer’ hot blast drives demand higher in NSW and QLD
Some late hot weather (in Autumn 2023) is providing for some activity in the market
2023 Gas Statement of Opportunities (GSOO) from the AEMO identifies that southern Australia’s gas supply is declining faster than projected demand
A short article to note the AEMO’s release of the 2023 GSOO today and the subsequent media coverage.
Splitting the ‘X5 constraint’ into two … double trouble?
From 08:00 (NEM time) this morning, the old ‘X5 constraint’ (i.e. formerly formally known as ‘N^^N_NIL_3’) has been split into two (i.e. addressing separately risk of tripping of either/both Bendigo to Kerang 220kV line and Bendigo to Shepparton 220kV line). Here’s a first quick look…