Lower 1-second FCAS volatility continues in SA
A brief article to note the continued impact of the Tailem Bend to Tungkillo line outage on FCAS prices.
Eventful Days
NEM-wide wind generation exceeds 10GW for the first time, on Friday evening 25th July 2025
A belated post to note a new all-time record for wind production was broken on Friday evening.
Basslink flows shift since end of agreement on 30th June 2025
An agreement restraining how Basslink is bid into the energy market has ended, resulting in changes in bidding and energy flows.
Volatility within the contingency FCAS market in SA today, Thursday 24th July 2025
A short post to note some price volatility for the 'Lower 1 Sec' contingency FCAS commodity in SA today, with prices flickering between the FCAS price floor and the market price cap.
Suspect SCADA drove data discrepancy on 9th December 2024
The incident description in the scheduling error declaration provides us with a glimpse into the underlying cause.
A quick view into constraints on the Heywood interconnector, on Tuesday 22nd July 2025
A quick view of our congestion map where constraints on the Heywood interconnector may elevate risk of high energy and FCAS prices this week.
Final incident report on the power system incident of 13th February 2024 released
In July 2025 AEMO released the final report into the review of the major power system event of 13 February 2024.
AEMO issue market notice regarding a ‘High Impact Outage’ in NSW this Sunday 20th July 2025
AEMO has flagged a 'High Impact Outage' on the Dapto–Kangaroo Valley line this Sunday, warning of reduced VIC–NSW transfer capacity.
Transgrid’s Project Assessment Conclusions Report for System Strength released on Monday 14th July 2025
Transgrid's Project Assessment Conclusions Report for System Strength assessed more than 100 individual solutions aimed at helping to meet its system strength obligations under the National Electricity Rules.
A look at forecasts for SA this Wednesday evening 9th July 2025, where forecast LOR2 conditions are appearing
A quick look at demand, wind and solar forecasts, along with the constraint invocation schedule in SA for this coming Wednesday, where the AEMO currently have an extended forecast LOR2 condition projected.
Volatile price period runs over 5 hours on 2 July 2025 in SA
If we had been in the previous financial year, the old CPT of $1,573,700 would have been tripped.
Evening spot prices less volatile than anticipated in SA on July 2, 2025
Spot price volatility occurs in SA on 2 July 2025, yet not to the level that risks exceeding the cumulative price threshold.
More than 40,000 customers without power in NSW on Wednesday 2nd July 2025 after wild weather overnight
Wild storms over night have impacted parts of the Ausgrid, Endeavour and Essential Energy distribution networks in NSW.
Keep an eye on the SA Cumulative Price this evening on Wednesday 2nd July 2025
After an extended burst of high prices last night, and a short burst this morning, the cumulative price in SA has moved closer to CPT territory.
NSW records highest winter demand in fifteen years, whilst high prices eventuate in SA on Tuesday evening 1st July 2025
Cold winter conditions in NSW have pushed market demand in the region above 13GW this evening. Meanwhile, high prices have stuck around in SA.
Triple C conditions (cold, calm and cloudy) across the NEM last Thursday evening 26th June 2025
Carl Daley examines the underlying conditions and outcomes that occurred last Thursday evening, the 26th of June.
East coast low brings challenging conditions for start of July in 2025
The weather forecasts are alerting to the formation of an East Coast Low this week. The low is expected to sit just off the eastern cost of Australia, adjacent New South Wales.
Evening volatility on Friday 27th June 2025
Another run of energy spot price volatility occurred on Friday 27th June 2025.
How low did it go? NEM-wide wind production in recent days
We've already noted the ‘New all-time record for NEM-wide wind, on Monday 23rd June 2025’. But how low did wind production drop, on Thursday 26th June 2025?
Past 3 hours of continuous volatility on Thursday evening 26th June 2025
Considering that it was 16:45 (NEM time) when volatility started it’s notable that we’re into our 4th hour of volatility now on Thursday evening 26th June 2025.