A short article to note that Callide C3 came back online in the early hours of this morning, as captured in this ez2view ‘Notifications’ widget alert:
Here’s a trend of output (and bids to 04:00) via the ‘Bids & Offers’ widget in ez2view to 11:40 (NEM time) on Sunday 1st June 2025:
We see it ramped up for a morning peak in price, but has dropped back down to around minimum load with prices dropping below $0/MWh through the solar hours.
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.
A short initial article, 5 days after Callide C3 came offline again for another forced outage … during a period that’s seen multi-region spot price volatility.
An initial review of some (wholesale) supply-side factors contributing to the extreme price volatility (and Reserve Trader etc) that occurred in the first week of February 2022 in the QLD region of the NEM.
It has dropped back down to around minimum load with prices dropping below $0/MWh!!
Old coal fired units need to operate as constant designed base load units,to run them up and down will wreck them as they approach the end of designed life.
It has dropped back down to around minimum load with prices dropping below $0/MWh!!
Old coal fired units need to operate as constant designed base load units,to run them up and down will wreck them as they approach the end of designed life.