Derivation of Underlying Demand in NSW on 30th and 31st January and 1st February 2020

Late in the day, on Thu 29th Feb 2024, I constructed my own derivation of ‘Underlying Demand’ to be able to note that that ‘NSW Underlying Demand peaks at 15,100MW at 15:00 (NEM time) on Thu 29th Feb 2024′.

Curiosity has gotten the better of me again today, so I’ve wound the clock back to 1st February 2020 (which saw highest demand measured by ‘Market Demand’ during summer 2019-20).  Using the same query construct in NEMreview v7 I’ve prepared this view of trended Underlying Demand for Thu 30th and Fri 31st January and Sat 1st February 2020:

2020-02-01-NEMreview-NSW-UnderlyingDemand-as-at-2024-03-01

Those with a licence to the software can open their own copy of this query here.

From that chart we see that:

1)  On Sat 1st Feb 2020 the highest point for Underlying Demand was 14,451MW at 15:00;

2)  But there was actually a higher point on Fri 31st Jan 2020 (14,481MW at 15:30):

(a)  this occurs with a spike in some of the underlying data.

(b)  this spike has not been investigated.

Either way, these points were below that derived for Thu 29th Feb 2024.


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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