1st thoughts on possible impacts of COVID-19 on Australia’s National Electricity Market (NEM)
Like everyone else, we're grappling with how COVID-19 will impact on us personally - and also in terms of what we do at work. Here's a few initial...
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Using the GSD2019 to explore the VALUE of Dispatchability
An article published by AEMC on the 'value of dispatchability' provided the spur to return to our intention of freely sharing insights gleaned from the Generator Statistical Digest...
Scheduled Demand in South Australia drops to levels not seen since the history of the NEM (excluding System Black)
Alarms in one of our NEMwatch dashboards alerted me to the plunging level of Scheduled Demand seen this afternoon in the the Victorian and South Australian regions of...
We’ve been killing New Entrants with kindness?
Last week saw more in a growing series of exits, and asset write-downs, amongst new entrants in the supply of renewable energy within the NEM. Today on WattClarity...
Surviving on the island – again
Another islanding event separated the SA region from the rest of the NEM yesterday (Monday, 2nd of March). Allan O'Neil investigates what happened before the event and possible...
Reviewing the ‘accelerated accidental experiment’ thrust on SA during the islanding (31st Jan to 17th Feb) – a 1st review
As time has permitted, I've invested some time to prepare this first stage of a review of what went on during the period from 31st Jan 2020 to...
South Australia islanded again – Monday 2nd March at 12:00
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...
AEMC Rule Change (Feb 2020) agrees with much of what ERM proposed – for ‘Improving transparency and extending duration of MT PASA’
A back-dated article, looking back at the two ERM rule change requests which, when passed by the AEMC, had great effect in expanding transparency in the NEM in...
FCAS Matters – More than ever
Jonathon Dyson of Greenview Strategic Consulting uses the Generator Statistical Digest to highlight FCAS revenue results, contingency recovery and regulation costs for 2019, and help explain why it...
Don’t Forget About FCAS!
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...
Extreme temperature effects on generation supply technology
Summer 2019-20 is not yet done, but already we have seen some extremes in temperature in different places - which have led to different concerns. Today I use...
Rooftop Solar PV systems did trip in SA on Friday 31st January 2020 in conjunction with the Heywood trip
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...
January 31 Followup – How did the lights stay on in South Australia?
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...
Heat pushes QLD Scheduled Demand within 214MW of the all-time maximum level on 3rd February 2020
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...
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...
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...
Out of the blue, another LOR2 – NSW region on Saturday 1st February 2020
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...
Hot weather and high demand continues, with actual LOR1 in NSW region at 13:55 on Saturday 1st February 2020
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...
White knuckle ride across the NEM on Friday 31st January 2020 (extreme NEM-wide demand)
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.
A further look at Thursday Jan 30th
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...