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.
A team of academics at UNSW explain operating reserves and analyse the case for implementing an operating reserve service in the NEM.
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.
A short note about the first of a number of dispatch interval price spikes in the QLD region on Wednesday evening, 21st July 2021.
A look this morning at the new record (set yesterday – Tuesday 20th July) for NEM-wide wind production.
Tom Geiser discusses transmission access and the efficacy of Renewable Energy Zones. He examines what the underlying problems are and how they can be solved directly.
Another slippage on return to service expectation for Callide C3 … now expected Friday 23rd July.
A quick look at monthly stats shows that, whilst it’s been blowing a gale in SE Australia in recent days, it’s not yet set a new ‘peak instantaneous wind farm output’ record.
Returning to the price spike in NSW on Wednesday morning (to $15,100/MWh for 3 dispatch intervals) to explore some of the reasons why it happened – and why it happened unexpectedly.
A short article that might be referred back to later following a spot price spike (in QLD and NSW), and what looks like demand response (in QLD).
Coincident with the AEMC’s Final Determination yesterday (Thu 15th July) on FFR, there was also the Draft Determination published on Energy Storage Systems. Here are some (very) early thoughts…