The South Australian region is considerably smaller than Victoria (or NSW or QLD) so the alert tolerance is lower … but still we see it trigger infrequently (that’s the point of the alert).
Here’s a view in NEMwatch at the 14:20 dispatch interval:
First thing we did was check the frequency reading and there is no aberration this time, so it does appear that the demand drop was real!
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.
Capping off a weekend of new low points for minimum demand in NSW, and NEM-wide (and some near misses elsewhere) this table sums up where the low points sit.
Spot prices in South Australia have been seen to be higher in the month of April than in the prior months, which is somewhat counter-intuitive. Prices also spiked this evening on a number of occasions above $500/MWh – here’s some of the reasons why.
A very short article with a snapshot from ez2view at the 11:15 dispatch interval – highlighting that Lower 1-second FCAS prices in the South Australian region are spiking (yet again!).
A different type of market notice today (speaking of potential curtailment of embedded generation in South Australia) points to the future … accelerated by Heywood repairs in this instance.
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