Prompted by last Friday's publication of the AER's 'Wholesale Markets Quarterly' for Q2 2021, here's a tabulated summary of some of the contributing factors of spot price volatility (and hence high average prices) for the quarter - particularly for QLD and NSW.
Re-posted with update: In recent weeks we have noticed a trend towards increased latency in the creation of the ‘PUBLIC_P5MIN_*.csv’ files published by AEMO on MarketNet, and we wonder if you can help us understand why this is happening?
Hydrogen explosion in South Africa (at Eskom's Medupi unit) will inevitably draw comparisons to the explosion at Callide C4 on 25th May 2021. Use caution in following those links!
Following a tight supply-demand balance in New Zealand on a winter Monday evening 9th August 2021, leading to unserved energy, here's a quick review of what information I could find.
A brief, belated and back-dated article to point to this AEMO White Paper ‘Application of Advanced Grid-scale Inverters in the NEM’ published in August 2021.
Some quick thoughts, spurred by Simon Hackett's comment in relation to the fire at the Victorian Big Battery
One Monday evening article noting reports that the fire at Victoria Big Battery is under control.
Monday's update on the fire at the new 'Victoria Big Battery' - which seems to have mostly come under control by the afternoon.
A short update on Sunday 1st August 2021, about the continuing fire at the Victoria Big Battery.
On Thursday 30th July 2021 Origin Energy announced a large impairment on several different types of assets - its own generation portfolio, renewable PPAs, and gas purchase contracts. However the focus in the media sometimes did not include all three...
It's Saturday evening, and here's a look at what additional data I can see, in relation to the fire (and any after-effects) with the Victorian Big Battery.
Following the (very brief) initial article early this afternoon, here's some more of what we have been able to determine about today's fire at the new Victoria Big Battery facility near Geelong VIC.
Here's first data about Victoria's Big Battery ... which is on fire on Friday afternoon 30th July 2021 (literally!).
Some brief notes following the ESB's Media Release about its 'finalised' market redesign advice today.
The all-time record for 'peak wind' continues to climb, with a Sunday evening contribution pushing it higher again.
A short article marking return to service for the Callide C3 unit, which has been offline since 25th May 2021.
Another quick look at the latest date that is visible for Callide C3, and when it's expected to Return To Service.
Saturday evening 25th July 2021 saw the instantaneous production from wind farms across the NEM surge past 6,000MW for the first time and set a new 'all-time' record that's substantially higher than the previous record (set only a few days beforehand).
With the prior expectation being we'd see Callide C3 return today (Friday 23rd July), we can't see any output at this point.
A quick record of some morning volatility in QLD and NSW ... both due to tight supply/demand balance with interconnectors constrained.