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.
Some high temperatures in Victoria and South Australia drive demand higher and, because of transmission constraints, the IRPM in the Economic Island lower.
The price spiked yesterday (Monday 18th February) in South Australia and Victoria – here’s an overview of what happened.
A clear view of who are the bears, and who are the bulls, in terms of where they have forecasted the peak demand for summer 2012-13 will finally land.
A record of the extreme temperatures across NSW today, driving demand in NSW up towards the all-time electricity demand record set 23 months ago.
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.
The mercury in Sydney topped the 40 degree mark today, but demand did not climb to the heights it achieved when it set the record 2 summers ago.
A preliminary look at a number of events that happened today, leading to prices spiking to the Market Price Cap in a number of regions, Demand Side Response being very active, and trading desks being very busy.
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With a severe weather warning issued for much of Australia (with Sydney and Brisbane almost being the only exceptions) and lasting several days, it’s timely to look at what AEMO is forecasting demand to be in the week ahead.
Some analysis of the extent to which Demand Diversity (the degree to which peak demands in each region occur at different times) has changed in 15 years. If there are changes, it could be a factor at play in why peak demand has been changing.
A longer-term look at how summer (peak and average) demand has trended over the 15 years of NEM history to date.
A brief look at the demand shape on Christmas Day 2012, and how this compares to prior years.
Here’s our regular, annual and popular call-to-calculators for all those who’ve drawn the short straw and have to work on through the Christmas -to- New Year this summer season. Turn the tables on those off enjoying some summer sun, or skiing way up north by getting your entry in – with a chance to be anointed “Best Demand Forecaster in the NEM” and celebrate with your own new BBQ (or some other new prizes).
Some starting thoughts, about the extent to which increased wind farm output has been responsible in the drop in spot prices in South Australia from the high levels seen in 2008.
A record of a higher demand day in Queensland today