Capping off a weekend of new low points for minimum demand in NSW, and NEM-wide (and some near misses elsewhere) this table sums up where the low points sit.
A short note at a ‘new normal’ condition that we can expect to see increasingly in NEM regions (including QLD) as rooftop PV continues to grow in scale.
Another interim build of ez2view gives me an excuse to have another look at changes in bidding patterns at selected Wind, Solar and Coal units.
A quick look at three price spikes seen late afternoon in QLD on Monday 4th October 2021.
A short note about a new low point for minimum demand that appears to have been set in the QLD region on Sunday 3rd October 2021
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.