This morning (Fri 8th Oct) the AEMO has released its Incident Report into what happened on 25th May 2021, starting with problems at Callide C4.Read More
Winter 2021 in the NEM
A collection of articles about events that occur through winter 2021 in the NEM (i.e. June, July, August 2021)
Guest author, Josh Stabler of Energy Edge, provides a look into the ‘contagion of scarcity’ events impacting the market since mid-May 2021.
Following comments on social media over the weekend about a new low point for brown coal generation, I took a quick look.
Carl Daley of EnergyByte, examines recent energy and gas price volatility, leading to the conclusion that the May to July period in QLD and NSW has been the biggest shock to the spot market in history, and the forward price movements are rivalling the record setting year of 2007.
Low wind production (inside NSW+QLD) was one other factor contributing to price volatility in Q2 2021
As Q2 2021 unfolded, it seemed that there were many instances where prices spiked during evening demand peaks – and that wind output was low at the time. So I took a closer statistical look…
A quick look at the generator bids across Sunday 23rd August 2021 (when Solar temporarily eclipsed Coal)
Prompted by reports elsewhere of solar PV production eclipsing coal-fired production on Sunday for a period of time, I had a quick look (including at aggregate bid volumes).
AEMO identifies Power System Oscillations in ‘Polygon of Pain’ (Briefing Session – Wednesday 25th August)
A short note from AEMO’s weekly newsletter – about power system oscillations in west Murray region (VIC/NSW)
NEM-wide minimum demand (in winter) drops lower on Sunday 15th August 2021 … and Renewables Share in VIC higher
Sunday 15th August saw lowest level of Operational Demand in the NEM for a winter period, NEM-wide. This also led to a number of other outcomes (including higher renewable penetration, negative prices, … and chatter on social media).
A list of (some of) the factors contributing to the volatile price outcomes seen in Q2 2021 – particularly QLD and NSW
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.
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!).
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).