Drop in NEM mainland frequency on Friday 18th October 2024 following trip of Loy Yang A2
Another ‘interesting’ event today … a dip in mainland frequency with trip of Loy Yang A2.
Olympic Dam now offline, as SA demand was already forecasted to go negative this weekend
Several media outlets are reporting that Olympic Dam in South Australia has lost power, which may cause headaches for system operators with demand in South Australia forecast to go negative this weekend.
How is the stockpile of temporary transmission towers around Australia looking?
Given recent events, we’re asking a rhetorical question about how many temporary transmission towers there are currently in Australia?
A closer look at Goyder South Wind Farm on Thursday evening 17th October 2024 (not affected by the storm?)
Goyder South Wind Farm was one of the wind farms in SA that showed a large drop in output on Thursday evening 17th October 2024. We take a quick look and see its cause is different than for Snowtown and Clements Gap.
Clements Gap Wind Farm still offline, on Friday morning 18th October 2024.
Clements Gap Wind Farm was one of the wind farms in SA that appeared to trip unexpectedly on Thursday evening 17th October 2024. We take a quick look.
Snowtown 1 Wind Farm back online (Friday morning 18th October 2024) after being offline for >12 hours
Snowtown 1 Wind Farm was one of the wind farms in SA that appeared to trip unexpectedly on Thursday evening 17th October 2024. We take a quick look.
(Initial) Replay of Thursday evening 17th October 2024 in SA
Using ‘next day public’ data in ez2view, here’s an initial replay of 7 dispatch intervals on Thursday evening 17th Oct 2024 in South Australia.
Using the ElectraNet 2024 TAPR to locate the lines with unplanned outage (on Thursday evening 17th October 2024)
Second article for Thursday evening 17th October 2024, about unplanned network outages (in severe weather) in South Australia.
Destructive Winds disrupt (and damage) transmission network in South Australia on Thursday (evening) 17th October 2024
On Thursday evening 17th October 2024, a significant weather event in South Australia has damaged the high-voltage network in SA Far North (and power supply has been impacted).
Seven transmission towers collapse near Broken Hill overnight
ABC Broken Hill has reported that seven transmission towers collapsed south of the town overnight due to strong winds and hail.
Also some gyrations in NEM Mainland Frequency, on Thursday 17th October 2024.
To provide some more colour about what’s been happening on Thursday 17th October 2024, here’s a snapshot of NEM Mainland frequency at 15:07 (NEM time) looking back only 15 minutes.
Riding the roller-coaster in South Australia (on Thursday 17th October 2024)
A second article about some ‘interesting’ market events in South Australia on Thursday 17th October 2024.
Spot price volatility in South Australia on Thursday (morning) 17th October 2024
The spot price has been bouncing around in South Australia this morning (Thu 17th Oct). Here’s a short record.
Small drop in NEM Mainland Frequency with Stanwell Unit 3 offline
A quick look at a small drop in frequency seen on Wednesday 16th October 2024.
So long solo solar, and hi hybrids?
A summary of the key challenges facing standalone solar and wind farms over the past several years, along with discussion and thoughts about whether new rules surrounding hybrids systems will address these.
A clarification, about those instances of (potential or actual) disconnection of distributed/rooftop PV
On Thursday 10th October 2024, we published ‘What happened with System Load in VIC on Friday 27th and Saturday 28th September 2024?’ and, in doing so, listed some times when rooftop PV was disconnected (or consideration was given to the same). In this article (following some detail from a reader) we classify these events in three categories.
AEMO cancels MSL1 warning for Victoria on Saturday 12th October 2024
At 12:53 on Saturday 12th Oct 2024 AEMO published MN118817 cancelling the MSL1 warning for Victoria.
Forecast ‘Minimum System Load’ (at MSL1 level) back again, for Saturday 12th October 2024
At 06:19 this morning (Saturday 12th October 2024) the AEMO published Market Notice 118803 re-instating the warning for forecast Minimum System Load (at MSL1) in Victoria.
Drop in System Frequency on Saturday 5th October 2024 – Part 2
To further understand the frequency drop we delve into the 4-second data (used for regulation FCAS contribution calculations) in this Part 2, looking at generating units (including BDUs).
Testing the Heywood interconnector on Friday 11th October 2024, as part of PEC Stage 1
A short note, recording MN118771 about testing for PEC stage 1.