No, these were not spurious price spikes in Queensland today
Some quick observations about the patterns of volatility seen this week in Queensland
generator rebid
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 exert more pressure on spot prices.
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 of summer 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 – including four spikes at or above $1,000/MWh.
Here’s a walk-through of how it unfolded, with some pointers to some of the contributing factors.