So it was telegraphed in advance via AEMO’s forecasts, but I was not anticipating it happening as early as this spike at 14:25 (NEM time) in NSW as seen in NEMwatch, with the NSW spot price above $14,000/MWh:
As highlighted, note the speed in afternoon ramp in ‘Market Demand’ across the NEM from 13:35 (18,399MW) to 13:50 (19,570MW) … i.e. 1,171MW over 15 minutes.
We’d expect it won’t be limited to this dispatch interval through the afternoon and evening.
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.
One of 12 articles on the months past in the NEM. For January we revisit events such as the fires at Moomba in 2004 (which curtailed gas supplies from central Australia); and the blackout on 16th January 2007 which drove the price to VOLL in Victoria.
A quick note, on Monday morning 20th October 2025, showing the re-emergence of price forecasts up near the Market Price Cap for a 90-120 minute period this afternoon/evening.
Have fielded some questions recently, so thought it easiest to include this snapshot from ez2view ‘Bids and Offers’ widget looking back over the past week from now and filtered down specifically to Snowy Hydro’s Valley Power peaking facility in the…
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