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.
Several conversations this week prompted me to update the long-term view of how spot prices have trended over time (in particular because average prices in 2020 were quite different than recent years).
It was forecast it would be a hot day in the southern part of the NEM and it did not disappoint. The hot weather was one of the factors that contributed to price spikes … in Regulation FCAS, and then in QLD and later in South Australia.
Earlier this afternoon we were alerted to a price spike in NSW and QLD that was seemingly caused by a unit trip at one of the larger generators in NSW.
Third day in a row, and at exactly the same time as yesterday (Mon 17th Nov) the dispatch price in QLD spiked through the roof. Here’s a quick first look…
It’s not officially summer, yet – but it sure seems like it is across QLD and NSW. High temperatures drive some prices spiking up to the Market Price Cap in both ENERGY and some FCAS commodities as well…
Three main factors contributed to the spot prices in Queensland dropping underwater today for a number of hours – with some factors suggesting this might be the pattern for the coming week…