Not to be left out, the TAS region experienced its own run of volatility this morning … such as the 07:40 dispatch interval (NEM time) captured in NEMwatch here:
The run of prices began at 05:55 and (apart from the 06:05 dispatch interval) lasted until 08:00, with all those dispatch intervals above $1,000/MWh. Here’s the latest prices in this capture of SMS alerts:
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.
The volatility of the NEM was showcased again on Monday as South Australia experienced two major price spikes in the space of an hour. Using NEM-Watch’s play back feature (screenshot below) we were able to relive when the two price spikes hit.
Last Tuesday 23rd April 2024 I spoke with an audience organised by BofA Securities with respect to ‘Risk, Uncertainty and Volatility in the energy transition’. Here’s one illustration of why the spread of spot prices in the NEM has been increasing in recent years.
Wednesday evening 11th June 2025 was a period of tight supply-demand balance, hence energy price volatility – and so this article reviews the response of the demand-side.
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