Frequency performance payments 44 days in, part 2
Categories with a longer bar left of zero are losing more of their spot energy market revenue to regulation and PFR costs.
Categories with a longer bar left of zero are losing more of their spot energy market revenue to regulation and PFR costs.
A brief note that AEMO's Quarterly Energy Dynamics for Q2 2025 is published.
A brief article to note the continued impact of the Tailem Bend to Tungkillo line outage on FCAS prices.
An agreement restraining how Basslink is bid into the energy market has ended, resulting in changes in bidding and energy flows.
An initial review of payment and cost outcomes of the first 44 days of financial operation of the FPP arrangements.
The incident description in the scheduling error declaration provides us with a glimpse into the underlying cause.
In July 2025 AEMO released the final report into the review of the major power system event of 13 February 2024.
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.
As the technologies underpinning the power system change, so too must the approach to supporting system restart.
If we had been in the previous financial year, the old CPT of $1,573,700 would have been tripped.
Spot price volatility occurs in SA on 2 July 2025, yet not to the level that risks exceeding the cumulative price threshold.
Under the new direction proposed, netting off would be applied to allocate IRSR. The proposal is open for feedback until 10 July 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.
Another run of energy spot price volatility occurred on Friday 27th June 2025.
WDR capacity has increased by 23 MW since our last look, and much of it happened recently.
System frequency shows improved resilience to sudden coal generation events since 2020.
A count of coal generator events indicates large unit trips are less frequent.
In reviewing system frequency on the 16th of June, 2025, we observed a drop that reached below the NOFB.
Wednesday evening 11th June 2025 was a period of tight supply-demand balance, hence energy price volatility – and so this article reviews the response of the demand-side.
A sequence of afternoon intervals stand out because the forecast appeared to be biased low – self-forecasts suddenly dropped roughly 30-40 percentage points and then increased a short time later.