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 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).
A snapshot of the start of price volatility in QLD and NSW on Monday 12th July 2021.
A rainy Saturday morning reminds us the price volatility for Q2 in QLD has not totally gone away … with elevated prices for ENERGY and also Contingency FCAS (Raise 6 second and Raise 60 second).
Now making it 5 out of the past 6 years, we return to the analysis of electricity (spot and futures) pricing patterns for Q2 periods across the NEM regions … and also in Western Australia. We see a number of ways in which Q2 2021 was ‘anything but boring’!
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.
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…
Morning spot price volatility in the QLD region persists further into the morning (Tue 15th June) than has become expected.
A short article noting volatility rolls into Thursday evening, 10th June 2021
A short note about the first of the volatility on Wednesday 9th June 2021.
Evening spot price volatility has become a regular thing – here’s some of it for Thursday 3rd June 2021
Only two dispatch intervals (thus far?) of extreme pricing tonight for QLD and NSW (Wed 2nd June 2021). Here’s the first one…
The AEMO has released its 22-page Preliminary Report into the Callide C4 Catastrophe and the subsequent events.
A number of things happened late today – with the trip of DDPS1 (only declare credible contingency earlier in the day) giving more impetus to spot price volatility in the QLD and NSW regions already facing tight supply/demand following the Callide catastrophe and LOR1 in NSW.
Looks set to be a very tight supply/demand balance this evening in Queensland. Here’s hoping everything goes right for the AEMO Control Room!
Spot prices spiked across mainland regions this evening – firstly at 17:55 (above $1,000/MWh). and then at 18:00 (up towards $15,000/MWh). Here’s a first look.
Reminded by today’s spikes, here’s a quick look at a similar price spike that occurred yesterday (14:35 on Friday 9th April 2021 in the QLD region).
Monday 22nd February 2021 saw QLD Scheduled Demand rise higher than it has on any other day so far this summer … 576MW below the all-time maximum.
A longer-term trend of the incidence of negative prices across each region of the NEM … and, most interestingly, the pattern by time of day.