Yallourn Unit 3 returns early this afternoon
Unit 3 at Yallourn Power Station came back online early this afternoon. Recent flooding at the power station’s adjoining mine has impacted it’s fuel supplies in recent weeks.
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.
A Second Serving of the Q2 Elephant
For a second portion of Q2 “elephant eating”, I’ll look in some detail at the dynamics of an early instance of spot price volatility in Queensland, because many drivers turn out to be similar across other volatile intervals in the…
Callide B2 returns to service late this morning
Callide B2 returned to service this morning after nearly a month of being offline, following the explosion and outage at the station in late May.
Gas issues and low wind contribute to low NEM-wide IRPM (and volatility) on Monday 21st June 2021
A short article marking (yet) another volatile evening in the NEM in this ‘elephant’ of a Q2 2021… now with some added challenges for gas-fired generation.
Using ‘MT PASA DUID Availability’ widget in ez2view to compare unit availability with expectations prior to Q2 2021
Following Saturday’s review of changed expectations for Callide Power Station and Yallourn Power Station, I took a look at aggregate expectation by fuel type. Here’s a belated article with the results.
Eating the NEM’s Q2 Elephant – An Appetizer
An old adage runs that to eat an elephant, it’s best to proceed in small servings. With a very eventful Q2 in the NEM not yet finished, the number of headline events is already large enough – unexpected price volatility…
Potential Tripwire #3 When is a load not a load?
A feature of the upcoming EMMS technical specification that distinguishes demand response units from scheduled loads could impact some users of NEM data, if left unmanaged.
Kogan Creek returns to service on Thursday 17th June 2021
A short note about return to service of Kogan Creek power station early this morning.
Callide B1 back online Wednesday afternoon, 16th June
A short note to follow up on the welcome return-to-service of Callide B1.
Availability of Black Coal units has suffered through Q2 2021
The volatility that has been with us for weeks now (particularly QLD and NSW), and the dramas unfolding at Callide power station, prompted me to have a broader look at the availability of black coal plant across QLD and NSW, and compare this to prior Q2 periods.
Yallourn unit 3 back offline again
Late yesterday I noted how the situation at Yallourn was more complex than we had been initially thinking, so it was no surprise to see Yallourn unit 3 come back offline early this morning to conserve dwindling fuel supplies: Above…
Where’s Callide B1?
With expectations set last week that Callide B1 would be back online yesterday at minimum load, I’ve had a quick look and can’t see it yet…
Evening volatility on Tuesday 15th June 2021
It was volatile this morning well past that’s become ‘normal’ and the volatility has returned (as I expected it would) this evening. Here’s the snapshot of the 17:20 dispatch interval from one of our NEMwatch v10 dashboards: As highlighted: 1) …
EnergyAustralia notes ‘further instability in the Morwell River Diversion wall’ – with respect to Yallourn mine
A media release by EnergyAustralia this afternoon (Tue 15th June) about Yallourn mine flooding prompts an updated look on Wattclarity…
More persistent spot price volatility in the QLD region on Tuesday morning, 15th June 2021
Morning spot price volatility in the QLD region persists further into the morning (Tue 15th June) than has become expected.
Yallourn unit 3 re-joins Yallourn unit 1 back online
A short note on Tuesday morning to highlight that YWPS3 has re-joined YWPS1 back online.
Spot price volatility continues into Monday 14th June 2021
A short note to recognise the spot price volatility continuing for Monday 14th June 2021.
Yallourn down to 1 unit, on low load operation – following flood risks at the adjoining mine
A Saturday morning review of the situation in Victoria, with supplies from Yallourn restricted due to flooding in the Latrobe Valley … coincident with other factors
Pricing volatility on Friday 11th June 2021
First price spike at sunset (Friday 11th June 2021) … presumably with a number more bounces to go through the evening.
Is the wet weather event (and flooding in the Latrobe Valley) affecting brown coal generation – Fri 11th June?
Flooding in the Latrobe Valley town of Traralgon raises questions about whether there is any effect on the brown coal generators.