“The energy price in New South Wales increased to the market cap price of $10,000/MWh at trading intervals (TIs) ending 13:00hrs, 13:30hrs and 15:00hrs on Friday 31 October 2008. The Queensland region saw energy prices rise to a maximum of $3,618.51/MWh at TI 14:30hrs. Mainland Frequency Control Ancillary Services (FCAS) prices reached $105.13/MWh at 14:50hrs. The Tasmanian region saw a negative energy price of -$0.43/MWh for the trading interval ending 15:30hrs. Energy prices in other regions were not materially affected.”
A Market Event Report has been published on the NEMMCO AEMO website at
NEMMCO says that a system incident report covering the reliability of the power system during this event will be published separately (and we’ll link to it, when we see it).
Paul was one of the founders of Global-Roam in February 2000. He is currently the CEO of the company and the principal author of WattClarity. Writing for WattClarity has become a natural extension of his work in understanding the electricity market, enabling him to lead the team in developing better software for clients.
Before co-founding the company, Paul worked as a Mechanical Engineer for the Queensland Electricity Commission in the early 1990s. He also gained international experience in Japan, the United States, Canada, the UK, and Argentina as part of his ES Cornwall Memorial Scholarship.
Following from (what we have seen as) an increase in diversity of concerns (and claims) about different aspects of generator performance, we’re leveraging our extensive data set and capabilities to have a deeper look, leading to the publication of a Generator Report Card with data to 31st December 2018. We’d welcome input from those who wish to pre-order their copies now at an initial low rate.
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.
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