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.
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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...
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...
Case Study of 17:05 on 27th October 2022 … part 3 … (+861MW AggROT – source of AvailGen)
In Part 3 of this Case Study, we look at the source of the Dispatch Interval Availability forecasts for these units at 17:05 on 27th October 2022 (i.e....
Case Study of 17:05 on 27th October 2022 … part 2 … (+861MW AggROT – individual units)
In Part 2 of this Case Study, we look at those 15 x Semi-Scheduled units highlighted with large deviations (mostly under-performance) at 17:05 on 27th October 2022 in...
Why capacity factor is an increasingly simplistic way to compare solar farm performance
Dan Lee explains why capacity factor could be becoming an increasingly less useful measure for comparing how different solar farms are performing and begins an exploration into some...
Case Study of 17:05 on 27th October 2022 (+861MW AggROT for Semi-Scheduled units) … Part 1 of (an uncertain number)
In Part 1 of this Case Study, we start to look at the large collective under-performance across all Semi-Scheduled units (i.e. Wind and Large Solar) at 17:05 on...
AER notice … ‘Market notice from the WEMDRA – Referral to dispute resolution panel’ … about scheduling error on 10th August 2022
A short note following on from the Scheduling Error experienced by AEMO on 10th August 2022.
Some revelations in GenInsights Q4 2022 about Aggregate Raw Off-Target for Semi-Scheduled units
In today's article (a third snippet from GenInsights Quarterly Update for Q4 2022) we take a look at levels of large 'Aggregate Raw Off-Target' (i.e. large collective deviations...
Observation 13/22 from GenInsights21 – is the Semi-Scheduled category sustainable or scalable?
Here on this site, and also in real discussions in the offline world, we have been pondering this question for a number of years. For instance, it was...
Coal generation gets a run in the UK to ensure supply meets demand
Another quick article today - this to record the rare use of coal in the UK on a cold evening with insufficient other supply.
The never-ending story? More delays in return-to-service at both Callide C3 and C4
A short article today noting the additional delays in return-to-service expectations for both Callide C3 and C4.