Yes – Unscheduled Price Responsive Resources did deliver price/demand oscillations in NSW on Monday 12th October 2026
Demand-side responses did occur in the face of large NSW price fluctuations.
NSW
Yes, it was hot in NSW on Monday 12th October 2026 – demand was up, but it was not particularly notable
Referring to the ‘framework for exploring what factors were contributing to the volatility in NSW on Monday 12th October 2026’ , we explore/explain broader Demand-Side factors.
A wall of numbers … as the next step in exploring the price/demand oscillations in NSW on Monday 12th October 2026
We have a hypothesis for what the cause of these counter-cyclic oscillations (between price and demand) in NSW on Monday 12th October 2026. As a first step in exploring this hypothesis, here is a wall of numbers...
A pattern is emerging … (poorly tuned Demand Response and/or forecasts?) see-sawing Demand and gyrating NSW Price
So, at 14:30, no prizes for guessing what transpires – captured in two snapshots from the ez2view Mobile App ...
A big jump in ‘Market Demand’ (amongst other factors) drives NSW to $23,107/MWh at 14:20
At 14:20 (NEM time) on Monday 12th October 2026, the spot price in (a very hot) NSW spikes close to the Market Price Cap.
First price spike in NSW, at 14:10 (NEM time) on Monday 12th October 2026
As it happens (on this occasion) this snapshot from NEMwatch at 14:10 (NEM time) on Monday 12th October 2026 was pretty close to the mark to when it was forecast in earlier predispatch runs: Briefly: 1) The spot price in NSW is up at $1,341.98/MWh...
Elevated prices (in QLD and NSW) on Friday morning 9th October 2026 … and then SA a little later
My ‘elevated prices’ alerts have been quiet for a lengthy period (apart from the odd spikes for FCAS in Tasmania). So a string of alerts for prices > $500/MWh in QLD and NSW, and later SA (on Fri 9th Oct 2026) are worth noting.
A 622MW drop in ‘Market Demand’ in NSW – early Wednesday afternoon 7th October 2026
My ez2view Mobile App alert triggered, to let me know that there’d been a significant drop in ‘Market Demand’ in the NSW region (down 622MW in the 12:40 dispatch interval Wednesday 7th October 2026).
Notable volatility in ‘Market Demand’ on Wednesday 19th August 2026
A short note about some gyrations in 'Market Demand' we've seen, on Wednesday 19th August 2026.
Initial review of unit output on Wednesday 5th August 2026
Supply fluctuated but was this to an equivalent extent as the recorded interconnector flows would suggest, or the noted demand change in NSW for the 16:25 interval?
Major change in NSW ‘Market Demand’ on Wed 5th August 2026 – ‘just’ a data glitch, or more?
A sudden drop in NSW demand was followed by apparent recovery in the next interval.
Large gyration in ‘Market Demand’ in NSW late Wednesday afternoon 24th June 2026
Riffing Monty Python (and now, for something completely different) another ez2view Mobile alert triggered, to notify me of this large change in NSW ‘Market Demand’ - on Wednesday 24th June 2026.
AEMO releases preliminary report into NSW market suspension on the 23rd March 2026
The AEMO has published its preliminary report into the suspension of the NSW spot market on 23 March 2026 — an event triggered by a SCADA-related issue that interrupted normal dispatch and pricing processes.
Managing bids during the market suspension on 23 March 2026
One feature of a market suspension is the possibility for suspension pricing, which happened in this case. Did it influence energy offers?
Initial energy storage involved in issues
Energy storage levels of NSW grid scale batteries are analysed for behaviour on 23 March 2026.
AEMO ends Market Suspension in NSW from 18:30 Monday 23rd March 2026
A short note to follow the earlier note about MN135948 with the MN136023 published at 17:54:22 about Market Resumption
System frequency while NSW demand yo-yos
Following our observations of "Riding the yo-yo, during NSW market suspension" we inspect system frequency during the day.
Riding the yo-yo, during NSW market suspension
A number of our ez2view 'large change in demand' alerts have triggered this afternoon Monday 23rd March 2026 with respect to NSW. But what's a 'real' change and what's 'phantom' (with the SCADA issues)?
Where might a failure of SCADA systems show up in the MMS
With a market suspension notice issued for a failure of SCADA systems, we inspect whether unit MW readings are impacted.
Delving deeper, into periods of under-performance across Semi-Scheduled Solar Farms on Tuesday 27th January 2026
This is the 1st of two articles today … this one specifically focused on Large Solar (i.e. the Semi-Scheduled units) and the aggregate Dispatch Error across all 288 dispatch intervals on Tuesday 27th January 2026.