Is solar PV providing more opportunity for spot price engineering?
Some initial analysis looking into the question of whether the increased penetration of solar PV is increasing the variability of scheduled demand to the point that generators can...
Queensland
Price volatility returns to the Queensland region
A quick look at some more volatility experienced in the Queensland region on Wednesday 23rd October
Two evening price spikes send jitters …
The dispatch price in Queensland spiked to $1,500/MWh at 18:25 and again at 22:40 yesterday evening – triggering jitters in some who fear a return to the volatility...
Updated animation of 20th December 2012 – a volatile day in the Queensland Region
An updated animation of 20th December 2012 focused on the Queensland region - a volatile day for that region.
Queensland lunchtime demand slips away….
Today (Wednesday 24th July) we note how the Queensland lunchtime electricity demand is stuck in the blue zone - the uptake of solar PV, and a sunny day...
Animation of several hours over the evening of Saturday 12th January 2013 in Queensland
Here's another animated case study of one more interesting time that occurred through summer 2013 in Queensland - on this occasion the evening of Saturday 12th January 2013.
Quick quiz – how many do you get right, about what happened in the Queensland Region over summer 2013?
Five thought-provoking questions about what really happened in Queensland over summer 2013 - and the supplementary question about what it all means for the future.
Revisiting 2nd January 2013 in Queensland – to illustrate the interaction of rebidding and constraints
Beginning prior to 7am and progressing through the morning of Wednesday 2nd January 2013, there was significant volatility in the Queensland region of the National Electricity Market -...
Queenslanders boil (the kettle) during Origin loss
It appears, from this high-level analysis, that events in the State of Origin mapped to changes in electricity demand across Brisbane last night.
The return of the evening price spikes as the winter demand shape arrives a little early
The distinctive winter demand shape returns - and with it comes the evening peaks in prices (even on a Sunday).
Why are we completing this extensive review of what happened over a very volatile summer in QLD – and why, and what the future implications might be?
Why are we investing significant time in completing this review of what was remarkable price volatility in QLD over summer? We're primarily a software company that develops shrink-wrapped...
A brief history of the tariff prices in Queensland
As the QCA happens to be releasing the notified tariff prices later this month, I thought it opportune to write about how prices are set with a particular...
Animated illustration of Queensland Region volatility on 20th December 2012
Here's an animated view of how price volatility emerged in the Queensland region of the National Electricity Market emerged on 20th December 2012 - and the range of...
Millmerran station trip drives prices sky high
At 23:05 on Saturday 9th March AEMO advised that the Millmerran power station units 1 and 2 tripped simultaneously at 22:07 (58 minutes prior) - for reasons still...
Some factors that contributed to the remarkable volatility in Queensland over the weekend
A starting list of a number of factors that combined to deliver sustained higher wholesale electricity prices in the Queensland region across the weekend of Saturday 12th January...
NEM-wide demand races past 31,500MW today
A record of the highest NEM-wide demand so far during summer 2012-13. A useful reference, for all of those who entered our "Best Demand Forecaster in the NEM"...
How extraordinary have Queensland’s recent electricity pricing patterns been?
After watching electricity spot prices in Queensland remain stubbornly high over the weekend, we invested some time today to assess the extent to which these price patterns had...
Demand (and price) remain stubbornly high in Queensland over the weekend
An extra-ordinary weekend in Queensland, where the mercury stays up and so does electricity demand and (as a result, plus with some help from other factors) so does...
NEM-Wide demand peaked above 31,000MW on Friday
A record of a hot day that drove NEM-Wide demand to the highest level it has achieved (thus far) this summer. See this in context of historical maximum...
Queensland’s turn to sweat today, but NEM-wide demand plummets
A snapshot of a day of contrast - with high demand in Queensland (temperature driven) and extraordinarily low demand in the south.