For two remarkable winter evenings in 2007 (19th and 20th June specifically) NEM-Wide Instantaneous Reserve Plant Margin (IRPM) plunged to the lowest levels ever seen in the NEM (a mere 7.6%) as generators were caught short of capacity by a cold snap that hit earlier than expected, whilst plant was still out for maintenance and other plant still suffering from drought-inflicted limitations of capability.
About the Author
Paul McArdle
Related Articles
Paul McArdle Thu 19th November 2009
High temperatures force demand high, NEM-Wide (and prices follow)
A few brief notes about a hot day across the mainland, with demand levels high in each of the 4 mainland regions
Paul McArdle Sun 12th June 2022
South Australia spikes, with Heywood unconstrained … with QLD under Administered Pricing
A follow-on from Administered Pricing in QLD is the start of some head-scratching market outcomes … such as this spike in South Australia.
Paul McArdle Wed 12th March 2008
Analysis of price volatility in the QLD region over summer 2007-08
Our Managing Director was asked to speak at the “Queensland Energy” conference in Brisbane on Wednesday 12th March – specifically addressing the topic of price volatility in the NEM.
To provide the basis of discussion during the conference, we focused our analysis solely on Queensland region (to make the topic more manageable).
In our review of volatility in the Queensland region, we focused specifically on 3 core attributes of the market: Queensland dispatch prices; NEM-Wide Instantaneous Reserve Plant Margin; and the concept of “Economic Islands”.
Paul McArdle Mon 26th February 2024
Volatility in QLD and NSW on Monday 26th February 2024
A short record of evening volatility in Queensland and NSW on Monday 26th February 2024.
Leave a comment