Evening volatility in South Australia, with high demand, on Tuesday 11th February 2025

Posted by Paul McArdle Tuesday, February 11 2025 Topic: 2025-02-11

We’ve just noted that (tomorrow) ‘Wednesday 12th February 2025 could be a big day for ‘Market Demand’ in South Australia’.

So it’s worth including this snapshot from NEMwatch at the 19:05 dispatch interval (NEM time) to highlight a couple things:

2025-02-11-at-19-05-NEMwatch-SA

We note that:

1)  It’s already a relatively big day in South Australia … with the ‘Market Demand’ in this dispatch interval at 2,921MW

2)  Though we also note it was higher … up to 2,991MW a few DIs earlier

3)  In conjunction with this (and other factors – like (4) and (5)) the prices have spiked

4)  We note that the Heywood interconnector, and Murraylink, are constrained

5)  We can also see, with the fuel mix, with the decline of solar in the region (particularly rooftop PV) production from wind has not ramped up by nearly as much as required … leaving gas to fill the gap (hence the price).

 

Stay tuned for tomorrow…

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About the Author

Paul McArdle
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.

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