Low wind on Friday 4th November 2022
Following a client request on Friday 4th November, here’s a quick look at the low wind conditions occurring on that day.
Articles by Paul McArdle
One of three founders of Global-Roam back in 2000, Paul has been CEO of the company since that time.
As an author on WattClarity, Paul's focus has been to help make the electricity market more understandable.
What’s going on at the Callide power stations?
Prompted by a few media questions (on a day when all 4 units were offline together for about 3 hours), have taken a quick look at the status of the four units on the Callide Power Station site.
Griffith University study ‘Quantifying the risk of renewable energy droughts’
The Griffith University (by Joel Gilmore, Tim Nelson and Tahlia Nolan) study mentioned in earlier RenewEconomy article is now accessible on the Griffith University website here.
Callide C3 unit suffers cooling tower issues
Alerted via an ABC news article, we take a quick look at Callide C3.
We’ve released GenInsights Quarterly Updates (2022 Q3) on Monday 31st October 2022
On Monday 31st October 2022 we released GenInsights Quarterly Updates for Q3 2022 – second in the expanding series, following customer requests for updates of GenInsights21
Brief spike at 11:10 in NSW and QLD on Monday 31st October 2022
A quick article to document a spike at 11:10 on Monday 31st October … which seems related (at least in part) to the same network outage as on Friday evening.
Loy Yang A2 back online – Monday 31st October 2022
A short note about return to service for LYA2, which had been out for over 6 months.
AEMC published a Final Report as part of Stage 2 of the Transmission Planning and Investment Review
A short note about the AEMC’s Transmission Planning and Investment Review – Stage 2 Final Report released last week, and submissions on Stage 3 Draft Report due this coming Thursday 3rd November.
False (re)start at Loy Yang A2 on 25th October
Prompted by a comment by a WattClarity reader, I’ve taken a quick look at Loy Yang A2 for the past week.
A new lowest point for NSW demand on Saturday 29th October 2022
Electricity demand in NSW has dropped to a new ‘lowest in NEM history’ point on Saturday 29th October 2022
AEMO publishes ‘Scheduling Error Report’ related to problems experienced on 10th August 2022
Also this week, the AEMO published a report about the glitch in the dispatch process that occurred back on 10th August 2022.
AEMO releases preliminary report into Tasmanian event on Friday 14th October 2022 (i.e. Article 5 in our series)
On Friday 28th October, the AEMO released its preliminary report into the storm damage to Liapootah – Palmerston 220 kV lines (loss of more than 500MW of load, and trip of Basslink and multiple generators)
AEMO released its QED for 2022 Q3
A quick note to mark Thursday’s release of the QED for Q3 2022 by the AEMO
Quick initial notes about price spike at 17:30 on Friday 28th October 2022
A quick look at a brief price spike in NSW and QLD on Friday evening 28th October – which appears to be related to a Ravine -Yass(2) 330kV line outage.
Slightly more detail on System Frequency on Friday 14th October 2022 (Part 4)
Zooming into the ~7 minute period during which the initial event occurred in TAS on Friday 14th October 2022.
Dan Andrews used that* four letter word to launch their Election Energy Policy
Last Thursday 20th October the Victorian Labor Government, in the midst of seeking re-election, had its own turn at releasing an Energy Policy that caused quite a stir…
Several different timeframes for investigating the major Tasmanian system event beginning Friday 14th October 2022
Third article on what happened on Friday 14th October 2022 – sharing a photograph of the damaged transmission (thanks to TasNetworks for the photo, and Zeus for the weather) and outlining a number of different timescales that could be considered with respect to this event.
Uncharted territory for rooftop PV in South Australia
Hot on the heels of a new low point for Operational Demand in South Australia on the weekend, this evening AEMO warns of an ‘elevated risk of contingent disconnection of Distributed PV’ tomorrow (Wed 19th Oct 2022).
Sequence of events in Tasmania on Friday 14th October 2022 (initial look)
On Friday 14th October we saw a significant system event in Tasmania – with storms downing power links, leading to large (530MW) loss of load and trip of Basslink. In this article we take a first look at the sequence of events…
530MW loss of electrical load in Tasmania on Friday 14th October 2022
Some quick notes of a sizeable loss of load in Tasmania and a volatility situation that is ongoing as I hit ‘publish’ at 11:50 NEM time.