Callide C3’s return to service pushed back to February 2023
QLD looks like it will be without Callide’s C3 unit until at least February 2023.
Administered Pricing ends for FCAS in SA on Saturday 26th November 2022
Administered Pricing has ended for FCAS in SA after roughly 12 days.
A quick (interim) review of the ~7 days living on the SA island + some broader questions to explore later
Yesterday’s note from ElectraNet prompted this initial summary of some of what we’ve seen happen with the SA islanding event over the last 12 days.
Enhancement of ASEFS and AWEFS forecasts provided by AEMO – from Wednesday 23th November 2022
A short article, to record the upgrade of the ASEFS and AWEFS forecasts for Semi-Scheduled (i.e. Wind and Large Solar) units.
SA Islanding: Never mind the ‘Big Solar Button’, here’s Flexible Exports
James Martin from SwitchDin, provides an overview of the state of distributed energy management, and how it relates to last week’s events in SA.
SA islanding ends, on Saturday evening 19th November 2022
On Saturday evening 19th November 2022 the Heywood interconnector returned to service following temporary repairs to the tower damaged on Saturday 12th November.
Curtailment of rooftop PV occurring in South Australia on Saturday 19th November 2022
A short article to record the curtailment of rooftop PV underway in South Australia on Saturday 19th November 2022.
Exploring aspects of Wind Farm performance in South Australia on Saturday 12th November – through the storm and into the islanding
In this article we explore the impacts on wind power generation as the storms passed through, in the leadup to the transmission line trip at 16:39 (NEM time, reflected in the market by the 16:45 interval) on 12 November 2022.
(Clarification that) there was curtailment of Rooftop PV in South Australia on Monday 14th November 2022 … but nothing (so far) today
Rounding out the working week, there’s *currently* no forecast for curtailment of rooftop PV in SA on Friday 18th Nov (but clarifying it did happen on Monday 14th Nov 2022).
(belatedly) one year on from Five Minute Settlement
In GenInsights Quarterly Update for Q3 2022 we included an Appendix exploring what we could observe ‘One Year on from Five Minute Settlement’. In this article we share a small slice of what we learnt…
Volatility in South Australia on Thursday afternoon 17th November 2022
With low wind production in South Australia on Thursday 17th November, limited import capability and curtailment of rooftop PV, the price has spiked on Thursday afternoon
Curtailment of distributed PV occurring in South Australia on Thursday 17th November 2022
Once again this week we see (today, Thursday 17th November 2022) the AEMO taking action to curtail rooftop PV in South Australia to keep the system stable whilst islanded.
Curtailment of distributed PV is occurring in South Australia on Wednesday 16th November 2022
Same as yesterday, today (Wed 16th Nov 2022) sees curtailment of distributed PV occurring in South Australia.
ElectraNet chief executive warns risks still to come as sunny weather forecast for Adelaide on Thursday
A quick look at rooftop solar PV forecasts after ElectraNet’s chief executive warns about overproduction of distributed energy generation later in the week.
Why the Adelaide storm was so intense
Ant Sharwood of Weatherzone provides some insights into the intensity of last weekend’s thunderstorms in South Australia, which had severe impacts on the state’s transmission network.
Dispatch of the market’s more complex at present … with SA on its own island (and TAS still in pieces)
One of the side-effects of the transmission issues in South Australia and Tasmania is a (much) more complex dispatch process – with NEMDE file creation times slowing down as a result.
A messy separation: a look at the frequency swings in SA during Saturday afternoon’s islanding event
Dan Lee takes a quick look at 5-second frequency data to show SA’s separation from the rest of the NEM and the ensuing frequency swings on late Saturday afternoon.
Curtailment of distributed PV is occurring in South Australia on Tuesday 15th November 2022
On Tuesday 15th November 2022 we see curtailment of distributed PV has been underway since this morning.
A quick review of the sequence of events in SA immediately around the islanding on Saturday 12th November 2022
Fifth article for Monday 14th November 2022 … taking a quick initial look at the sequence of events immediately around the islanding in South Australia on Saturday 12th November 2022.
FCAS driving the island?
Guest author, Allan O’Neil, contributes his first article with respect to the islanding event in South Australia of November 2022 (in this article taking a look at FCAS market outcomes in South Australia).