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.
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Paul McArdle
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Summer 2005-06 saw Australians sweltering in temperatures 40 degrees and above.
In the National Electricity Market, this led to new peaks in demand and (given the tight supply/demand balance) delivered high (and volatile) spot market pricing.
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Paul McArdle Mon 25th July 2011
Winter 2011 in the NEM
Miscellaneous articles about what we observe during Winter 2011
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