The volatility of the NEM was showcased again on Monday as South Australia experienced two major price spikes in the space of an hour. Using NEM-Watch’s play back feature (screenshot below) we were able to relive when the two price spikes hit. At 2:35pm the South Australian dispatch price hit $2384.08 and then fell before spiking again at 3:10pm at $2410.23.
A screenshot from NEM-Watch at 3:10pm on Monday the 14th of December 2015.
Dan is a Market Analyst, who joined Global-Roam in June 2013.
He departed (and returned) for a couple of brief stints overseas, before rejoining the team permanently in late 2019. Alongside his work at Global-Roam, he has undertaken short-term contract roles as an analyst and researcher in various areas of the energy sector. Dan graduated from the Master of Sustainable Energy program at the University of Queensland in 2024.
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An updated look at conditions in SA early next week, where a forecast LOR3 is now appearing for next Wednesday. We also look at the invocation schedule for constraint sets within the region.
On Wednesday 15th January 2025 the AEMC decided to make a temporary rule change (which will come into effect from 23 January 2025) relating to mothballed Snuggery and Port Lincoln power stations in South Australia.
2 Commentson "South Australia hit by two price spikes"
Demand spiked, Angaston (diesel) dropped 37 MW, and Ladbroke (gas, price setter) was constrained down due to network limitations. Wind dropped 5 MW the first event and 18 MW the second time. Small changes compared to diesel and demand.
A screenshot from NEM-Watch at 3:10pm on Monday the 14th of December 2015.
What caused the spike in price? Was it a fall in wind production?
Demand spiked, Angaston (diesel) dropped 37 MW, and Ladbroke (gas, price setter) was constrained down due to network limitations. Wind dropped 5 MW the first event and 18 MW the second time. Small changes compared to diesel and demand.