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.
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.
Discussion in a number of different places (including an AFR article today) prompted me to pull some data together of how (spot and futures) prices have trended through 2021, and how they changed with the Callide C4 problems.
Just after midday today (Wednesday 21st April) South Australia and Victoria experienced some high spot prices. Here’s a quick post to highlight what happened.
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