Sunday afternoon saw demand in NSW hit new historic lows for the second weekend in a row.
[POSTED AT ~13:00] On Sat 11th Sept 2021, the ‘Grid Demand’ in the NSW region has dropped to levels not seen for many, many years … especially when considering it is in the middle of the day!
A quick record of some morning volatility in QLD and NSW … both due to tight supply/demand balance with interconnectors constrained.
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).
Some brief notes about a morning price spike today in NSW (Wednesday 14th July 2021).
A snapshot of the start of price volatility in QLD and NSW on Monday 12th July 2021.
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…
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.
A quick note on Tuesday evening, looking ahead to Thursday (10th June) with AEMO forecasting LOR2 in NSW with the cold snap, and enquiring about Generator Recall.
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…
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.
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).
Following several different warnings of high temperatures forecast for the lead-in to Tuesday 26th January 2021 (whatever you want to call that day) I’ve taken a quick look at what it’s currently forecast to mean for the NEM…
An unfortunately timed significant slump in output across all Wind and Large Solar plant in NSW was another of the factors contributing to the price volatility seen in NSW last week.
Following a week where several days saw price volatility in NSW (with this being so extreme that Reserve Trader was triggered on Thursday 17th December) we’ve taken a look at the comparative performance of coal units across the NEM (and particularly in NSW) compared to prior years.