A quick look at the operation of Hornsdale Power Reserve (in ENERGY) for Monday 13th December 2021

Posted by Paul McArdleTuesday 14th December 2021  8:00 PM   Topic: 2021-12-13

Back when it happened we noted ‘Price volatility in the South Australian region on Monday 13th December 2021’.

Since that time, we’ve been in the habit of providing to some interested parties the following snapshot of the ‘Unit Dashboard’ widget in ez2view of the HPRG1 unit (i.e. the pre-IESS generation side DUID for the Hornsdale Power Reserve) as at 15:00 (NEM time) on Monday 13th December 2021:

2021-12-13-at-15-00-ez2view-UnitDashboard-HPRG1

Note that this snapshot came from ez2view version 9.3.3.22, which was a current version back at that time (though has since been superseded).

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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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23rd January 2006 – new record for peak NEM-Wide demand

Based on forecasts NEMMCO had been providing through their PASA process, we expected that it might prove that this week would deliver huge demand levels, and high prices.

Not to disappoint, the market did deliver high levels of demand in all regions:
(a) Peak demand levels were reduced somewhat from the huge levels the previous week in Victoria and South Australia;
(b) Demand levels were also still building to the record level to be experienced the following week in NSW;
(c) Peak demand levels in Queensland were fairly steady (and high) for most weeks of summer.
(d) In combination, a new NEM-wide peak demand target of 30,994MW was set on Monday 23rd January.

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