Price volatility returns to the Queensland region
A quick look at some more volatility experienced in the Queensland region on Wednesday 23rd October
A quick look at some more volatility experienced in the Queensland region on Wednesday 23rd October
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.
An updated animation of 20th December 2012 focused on the Queensland region – a volatile day for that region.
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 for Clean Energy Week, would be part of the reason.
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.
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.
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.
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 distinctive winter demand shape returns – and with it comes the evening peaks in prices (even on a Sunday).
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 products used by about 100 market participants, spectators and commentators.
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 focus on the price of wholesale energy.
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 factors that contributed.
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 unknown.
Here’s how we saw it unfold at real time.
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 and Sunday 13th January 2013.
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” competition this time, and for those who sat on the sidelines.
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 ever been seen before – in the 15 years of NEM history.
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 price.
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 levels.
A snapshot of a day of contrast – with high demand in Queensland (temperature driven) and extraordinarily low demand in the south.
A record of a higher demand day in Queensland today