Palmerston to Waddamana lines returned to service on December 2, 2022
A successful return to service for the Waddamana to Palmerston 220 kV lines following damage sustained during landslides on 14 October 2022.
Headline Events
Some key events in the NEM that carried long-term implications
AEMO release preliminary report into the trip of the South East – Tailem Bend 275 kV on 12 November 2022
Last week the AEMO released a preliminary report into the trip of the South East – Tailem Bend 275 kV line that caused SA to be islanded from the rest of the NEM for over a week.
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.
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).
4.2 million lightning strikes during wild weekend storms in Australia
A weekend of prolific thunderstorms had a significant impact on the NEM. Ben Domensino of Weatherzone reports on the 4.2 million+ lightning strikes that were detected across the country on Saturday and Sunday.