Collections of events that we see happening in the NEM, categorised in terms of the seasons in which they occur.
Two weeks ago (Monday 17th February) a 'temporary fix' was put in place to reconnect SA with VIC following the transmission line outage that began on 31st January 2020. Well, we've islanded again today....
Guest author, Allan O'Neil, takes a look at what's happened in the (islanded) market for FCAS services in South Australia over the past two weeks with Heywood out of service. He notes: "generators in...
Investing some time over the weekend with a some higher-speed data on output of rooftop solar PV systems across VIC and SA reveals some interesting observations about what happened on Friday 31st January 2020...
Guest author, Allan O'Neil delves further into understanding what happened in response to the transmission tower failures on 31st January 2020 that sent system frequency in South Australia and led to a large reversal...
It feels like a lifetime ago, already, but I do vaguely remember that we released our Generator Statistical Digest 2019 last week, on Tuesday 28th January 2020. All the tasks that I had scheduled...
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...
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...
With the benefit of more data available today, can piece together why there was the sudden drop into LOR2 territory on Saturday 1st February 2020 (something that alarmed me, and resulted in AEMO directing...
I’ve snuck into the office on Saturday to start the process of piecing together some of of the different aspects of what happened yesterday to follow on from Friday evening’s short article (this will...
Today (Fri 31 January 2020) saw NEM-wide demand reach levels never seen before (excepting 29th January 2009). This was just the start of the white knuckle ride.
Guest author, Allan O'Neil does a masterful job with limited time in reviewing some of the goings-on in the NEM (particularly VIC and SA) on Thursday 30th January 2020
Published at 12:02, this is a view looking forward to the expected (very high) peak in electricity demand across the NEM this evening.
A brief overview of a stressful afternoon/evening in the NEM, where a confluence of events (heatwave-driven high demand, low wind, coal unit trip, etc...) drive LOR2 low reserve condition notice in both VIC and...
A quick look (ahead of time) at what looks set to be a very high level of electricity demand right across the NEM tomorrow evening, Friday 31st January 2020. Just in time for the...
Today I managed to get about half-way (only!) through some analysis I wanted to do to 'scratch that itch' about what happened in the NSW Region on Thursday 23rd January - with LOR2 conditions...
A quick 2nd article today looking at how Reserve Trader was dispatched (and a couple other complexities)
Not looking crash hot for the NSW region this afternoon...
This afternoon saw the Queensland Scheduled Demand peak at 9,657MW - under 400MW off the all-time record set in February 2019.
It was first day back after a couple days away yesterday – and I am mostly focused on completing the Generator Statistical Digest 2019 (for a scheduled release next week, on Tuesday 28th January). ...
Following yesterday's dust storms, today's rain (and hail) also sweep through NSW to dampen production from solar farms - small and large.