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 review participation and impact. Can we say yet, whether the mechanism is a square peg in a round hole?
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 period.
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.
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, which is currently slated to close in 2025.
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 world.
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 the Callide C units on 24th May 2021 (i.e. the day before the explosion – but I believe unrelated to the explosion).
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.
NSW region hit new ‘lowest ever’ point for Market Demand on Sunday 9th 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 that goes live in the NEM on Monday 9th October 2023
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 an avenue to mitigate the costs of needing to procure increasing levels of the existing fast service. The markets (raise and lower) are going live on 9 October 2023.
AER release ‘State of the Energy Market’ report for 2023
Today the Australian Energy Regulator released its annual ‘State of the Energy Market’ report that highlighted rising retail prices and a higher concentration of flexible generation asset ownership.
Has rooftop PV in South Australia recently been curtailed with these low points for demand?
Echoing a question we’ve been asked – about the extent to which rooftop PV has been curtailed as a result of these minimum demand points.
New lowest point for NEM-wide demand also set on Sunday 1st October 2023
Looking back at yesterday (Sun 1st Oct 2023) it appears to also have seen a lowest point for NEM-wide demand by both measures … lower than the low point set ~2 weeks prior.
‘Minimum Demand’ in South Australia drops further below 0MW on Sun 1st October 2023 – measured by Market Demand
Also noteworthy on Sunday 1st October 2023 was a lower point for ‘minimum demand’ seen in South Australia … with ‘Market Demand’ down to -37MW and ‘Operational Demand’ down to 5MW (just above 0MW)