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 the NEM - a new record...
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 I ponder whether we have been...
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 17th Feb 2020 - a period...
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....
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 relation to generator availabilities from 20th...
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 the GRC2018 and GSD2019 to take...
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...
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.
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...
Comments by the Brett Redman (CEO of AGL Energy) about the poor performance of Liddell Power Station, as reported in the media, prompted me to open up the Generator Statistical Digest 2019 to have...
Using the (hot off the press) Generator Statistical Digest 2019, we take a look across all 304 DUIDs to see how they performed through calendar 2019 in terms of large excesses in 'Raw Off-Target'...
We've been appreciating the early orders flowing in from those who did not wait until the release of the GSD2019, and we're pleased to announce that this new Statistical Digest is available today.
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...