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.
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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...
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 October 26th 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...
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...
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...
Two pieces of information (about Eraring Power Station) from the Origin Energy 2023 AGM
Yesterday (Wed 18th Oct 2023) Origin Energy held its Annual General Meeting, with discussion wide-ranging. Here's two things that jumped out to me about the Eraring Power Station,...
Research Paper into solar resource intermittency in future (in a climate changed world)
A quick article on WattClarity pointing to some research completed by Shukla Poddar and others about what future solar profile might be across Australia, in a climate changed...
AER issues Infringement Notice to CS Energy relating to long-term operating Callide C without an exemption … including on 24th May 2021
AER announced today (and CS Energy confirmed) that a fine had been issued, and paid, for ‘allegedly operating a generating system without regulatory approval’ - with respect to...
Low reserves projected post Eraring closure… and earlier?
The results of the recent MTPASA (Medium-Term Projected Assessment of System Adequacy), published on 17 October 2023, led a declaration of low reserve conditions in Market Notice 110284.
Possible coal supply issues at Mt Piper coal-fired power station to last until the end of 2023?
A short note to echo EnergyAustralia's warnings (reported in the Australian) about possible coal supply issues for Mt Piper power station.
Not so fast … the Bouldercombe Battery is not yet back into service, after the fire
Seeing another reference to 'Bouldercombe BESS only offline for a day' on social media prompts this article, to prevent further misconceptions...
Very Fast FCAS – a week in review
The new 1-second FCAS markets have been operational since the 9th October. We take a look to find out how it has fared.
Measurement timeframes for Raise Contingency FCAS … from the MASS Version 8
Because we’ll be referring back to it in future, we’ve lifted out Figure 8 from the MASS version 8 (p36/39) and included it here in this belated (and...
NSW region hit new ‘lowest ever’ point for Market Demand on Sunday 8th October 2023
A quick record of a new 'lowest ever' point for Market Demand in NSW on Sunday 8th October 2023
The *other* market change that went live today (Monday 9th October 2023)
A short note about the publication of a richer MT PASA DUID Availability data set in ez2view v9.8 - made possible as a result of the other change...
Very Fast Raise and Lower FCAS markets to start on 9 October 2023
Very Fast FCAS, because it operates at a faster timescale, can arrest the rise or fall in frequency more rapidly than the current fast service and therefore provides...