Challenges with a global-only FCAS requirement
The very fast FCAS markets started on 9 October 2023 and now a Basslink outage presents a confusing situation for required and enabled levels.
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Very fast raise service to be expanded
The requirement for the very fast raise contingency service is set to increase to 100 MW. We review availability and bids to consider the impact.
AGL (Bayswater and Loy Yang A) fined for inability to supply FCAS services
An article in the Australian this morning alerted me to yesterday's Federal Court ruling against AGL Energy for not supplying contingency FCAS services (from Bayswater and Loy Yang A) when enabled by NEMDE. Here's...
Minimum Market Demand in NSW drops lower still, on Sunday 29th October 2023
As the SMS alerts continue, here's an article to record the new low point for Market Demand in NSW on Sunday 29th October 2023.
Brief period of ‘Actual LOR2’ in the SA region Friday evening 27th October 2023 with low wind and constrained imports
A quick review of a short period of 'Actual LOR2' in the South Australian region on Friday evening 27th October 2023.
Cumulative price in SA goes negative on Monday 26th October 2023
In a rare occurrence (and perhaps a sign of the times), we noted that the cumulative price in SA turned negative yesterday afternoon.
Demand Response as Market Participant: Square Peg in Round Hole?
A year ago we reviewed the market outcomes of wholesale demand response (WDR) in the NEM. It’s been 2 years now, providing a new milestone from which to review participation and impact. Can we...
On Mon 23rd October, the AEMO publishes Quarterly Energy Dynamics for 2023 Q3
A short article on Mon 23rd Oct 2023 about an AEMO's publication of the latest Quarterly Energy Dynamics (a review of 2023 Q3). This follows closely from AER's Wholesale Markets Quarterly for the same...
On Thu 19th October, the AER published Quarterly Review for 2023 Q3
A short article on Saturday about an AER's publication that was released in the past week ... a review of 2023 Q3.
Brief loss of load around Townsville in the early hours of Saturday morning 21st October 2023
A quick initial article on Saturday morning 21st Oct 2023 about a significant loss of load in the Townsville area early this morning following a trip of some transmission elements.
Guest Authored Posts
How the NEM BESS fleet is operating on peak days, and how to be a savvy operator
In this guest article, Matt Grover from Fluence draws on operational data and real-world trading experience to unpack how Australia’s grid-scale batteries performed across three June 2025 peak days — and what capabilities belong...
Why Gladstone’s prospective closure reveals a new kind of NEM failure
With the Queensland state government’s new energy roadmap due out tomorrow, Greg Elkins highlights how distorted signals and state interventions expose a new NEM failure.
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