Morning energy price volatility in SA on 18 July 2024
Spot price volatility was observed in SA on the morning of 18 July 2024.
Heywood
Elevated prices in SA on 4th June 2024
A brief run of high energy prices in SA on 4th June 2024 was observed in the evening. Energy prices as projected in the predispatch runs from earlier in the day had threatened to reach above $15000 but as time…
Focusing on VIC exports (and imports) with the ‘Major Power System Event’ on Tuesday 13th February 2024
In this article we look again at Tuesday 13th February 2024 (Victoria’s ‘Major Power System Event’) and sum up the impact of the event on net exports from Victoria over a 14-hour period, but particularly around ~13:08 when the towers were downed.
Run of extreme prices in the SA region on Friday 8th December 2023
Prices in SA have spiked to close to the market cap and remained elevated, following the invocation of the ‘I-VS_250’ constraint set due to extreme weather conditions.
No, South Australia is *not* exporting more electricity than it imports…
We’re seeing an increasing number of claims on social media along the lines of ‘South Australia exporting more than it imports’. Whilst that was true around 2019, it’s NOT been the case for a number of years.
Price volatility in SA on Sunday afternoon 13th August 2023
Continuing network outage, and weather conditions, leads to long duration of elevated price in SA over the weekend.
Over four hours of volatility in the SA region on Friday evening 11th August 2023
Some quick notes about volatility in SA on Friday evening 11th August 2023.
Price volatility in SA on August 1, 2023
Light winds and a constrained interconnector contributed to elevated prices on 1 August 2023.
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 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.
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.
ElectraNet update at midday on Sunday 13th November 2022
Electranet have posted a short update in the middle of the day, Sunday 13th November 2022.
South Australia islanded (and ~80,000 without power), on Saturday 12th November 2022 (and until Friday 18th Nov 2022)
An initial article with the islanding of the South Australian region on Saturday evening, 12th November 2022.
Overnight volatility in South Australia – part 1
A run of volatility in South Australia lasting ~90 minutes triggered a few alerts.
Morning price volatility in South Australia on Tuesday 17th May 2022
A quick look at market volatility in the South Australian region of the NEM on Tuesday 17th May 2022.
AEMO publishes Market Notice 83206 – status update on repair to damaged Heywood transmission line
AEMO Market Notice 83206 today notifies the broader market of the rectification work on the Heywood transmission (damaged 13 months ago) to be conducted from Friday morning this week.
What happened with System Frequency with the SA Islanding on Friday 31st January 2020?
Cautioning readers that I am a novice at reading frequency data in this manner, I take a first look at how the frequency in Melbourne and South Australia varied at the time of the transmission outage at 13:24:30 on Friday 31st January 2020.
13 headline questions and observations following the long-term islanding, starting Friday 31st January 2020
In order to help us (internally) map out all the different threads to explore in terms of what happened on Friday 31st January 2020 on a remarkable day in the NEM, I’ve identified a few of the key threads here over the weekend. More articles to follow as time permits….
First look at South Australia islanded on Saturday evening, 16th Nov 2019
A first (and perhaps only – as this took longer than initially planned) walk through some of the interesting points of what happened yesterday (Sat 16th Nov 2019) when South Australia islanded from the rest of the NEM with the trip of the Heywood interconnector.
Taking a look at Saturday’s Islanding Event through 4 second SCADA data
Following on from Saturday’s islanding event, we use our current interest in AEMO’s 4-second SCADA data to prove a little more…