Frequency drop coincident with trip of Callide C3 unit, on Wednesday morning 20th November 2024
A short note to flag the apparent trip of Callide C3 just prior to 06:35 (NEM time) on Wednesday 20th November 2024.
unit trip
A quick look at Yallourn unit operations, on Tuesday 12th November 2024
Partly prompted by a comment yesterday from a WattClarity reader (Liam), and powered by ‘next day public’ data, we take a look at Yallourn Power Station on Tuesday 12th November 2024.
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.
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.
(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.
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.
Minor drop in NEM Mainland System Frequency on Friday 11th Oct 2024, most likely related to trip of LYA1
A quick record of the trip of Loy Yang A1 unit just prior to 08:40 (NEM time) this morning … Friday 11th October 2024:
Small frequency dip with Bayswater unit 3 tripping offline on Wednesday 2nd October 2024
A short article looking at a small drop in system frequency on Wednesday 2nd October 2024, perhaps related to Bayswater unit 3 tripping offline.
Tarong North Power Station trips on Monday evening 19th August 2024
A quick contemporaneous record of the trip of the Tarong North Power station unit on Monday evening 19th August 2024.
What was the cause of the coincident trip of Eraring units 1 and 2?
It’s Monday 8th April, the two Eraring units that tripped last week are back online – and I wonder what the cause of the coincident trip was?
Fast frequency recovery, on Wednesday 3rd April 2024
Fourth article on Wed 3rd April 2024, pertaining to the earlier coincident trip of ER01 and ER02 units at Eraring Power Station.
AEMO Market Notice 115944 about trip of ER01 and ER02
AEMO Market Notice 115944 notifies that the coincident trip of ER01 and ER02 was at 13:22 NEM time on Wednesday 3rd April 2024.
Replaying four dispatch intervals on Wed 3rd April 2024 with the ER01 and ER02 trip (Part 2)
In this second short article for the day, we Time-Travel ez2view back to 4 x Dispatch Intervals surrounding the coincident trip of ER01 and ER02 at Eraring Power Station.
Two units at Tarong come offline Wednesday morning 28th Feb 2024 … not planned in advance
TARONG#1 has come offline from close to minimum load this morning, closely followed by TARONG#2 (also from close to minimum load) – Wednesday 28th February 2024
How fast is a trip?
Curiosity (part triggered by some conversations I noticed on social media) drove me to have a look at the implied ROCDOWN in the AEMO 4-second data for the 5 facilities (10 DUIDs) involved in rapid ramp down on Tuesday 13th February 2024.
Unit Trip at Callide B1 on Tuesday 13th February 2024
In amongst the frenetic challenges in Victoria today, the Callide B1 unit (in QLD) tripped … probably unrelated to the VIC activity.
… but Loy Yang A1 trips on Sunday 14th January 2024
A quick PS to the earlier Sunday article (which looked at LYA4) this time focused on LYA1.
Hiccups continue, at Loy Yang A4 (Part 2)
Following the 4th successive trip/outage at Loy Yang A4 in recent days – and updating Tuesday’s earlier article.
Hiccups at Loy Yang A4 (Part 1)
A quick look at 3 successive trips at Loy Yang A4 in returning back from a recent forced outage.
Industrial Action at Kogan Creek Power station part 3 – appears unrelated to Tuesday’s trip, and then lower load into Wednesday
Yesterday (Tue 26th Sept 2023) we saw Kogan Creek drop offline for a few hours – and were asked if this was related to industrial action. Here, with the benefit of ‘next day public’ data, we take a first look.