A quick note on Thursday evening 20th November 2025 to record this large size (214MW) drop in ‘Market Demand’ in the 17:50 dispatch interval NEM time this evening:
This was captured in our ‘Notifications’ widget within ez2view as it happened. For more context of what’s been happening in South Australia, here’s a NEMwatch snapshot:
Clearly the rapid run-up and then drop in ‘Market Demand’ in South Australia (axis on the left) stands out. Was it real, or was it another data glitch?
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.
Now that summer 2018-19 has passed, we can reflect on our experiences as a new entrant energy services company facilitating spot exposure for residential energy users – and hence expanding the scope for Demand Response in the NEM.
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.
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