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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Paul McArdle
Wednesday, June 1 2022
NEM-wide IRPM drops below 15% on Wednesday 1st June 2022
Across the NEM, surplus Available Generation is less than 15% more than aggregate Market Demand … a low IRPM.
Paul McArdle
Monday, January 31 2022
Price volatility (and low IRPM) on Monday 31st January 2022 – in QLD, VIC, SA (a first initial review)
A short (and first) look at some of the market activity on a volatile evening in several regions – SA and VIC, and with QLD joining the fray a bit later.
Paul McArdle
Sunday, June 2 2013
Load shed warning (LOR3) issued by AEMO for Tuesday in South Australia
It’s not looking that great, currently, for the supply/demand balance in South Australia this week – when viewing predispatch, ST PASA and AEMO’s Market Notices
Paul McArdle
Sunday, March 19 2006
7th February 2006 – price spike in Tasmania
This week saw very low average prices across the NEM (below $21/MWh average across the week in all mainland regions).
Except for 2 half-hours in Tasmania on Tuesday 7th February (when the price rose to just over $1,000/MWh), prices in Tasmania remained at and around $30/MWh for the whole week.
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