Keeping Up with the Curtailment: 3.7TWh of semi-scheduled economic and network curtailment estimated in 2023
A chart of the the month-by-month semi-scheduled economic and network curtailment totals, along with the top 3 worst hit units over 2023.
Energy Transition
A large collection of articles pertaining to the ongoing ‘Energy Transition’ in any of a number of ways.
Specific sub-categories relate to such things as Coal Closure, and other aspects of the transition.
A look into the performance of Genex’s four DUIDs in 2023, following takeover bid from J-Power
A quick look into performance of Genex’ four DUIDs over 2023, as news broke this morning of a takeover bid from the Japanese-based J-Power.
So how much did Eraring Power Station supply, of the NSW electricity consumption, at peak demand time on Thursday 29th February 2024?
Last article (on the day) about Thu 29th Feb 2024. Prompted by an AFR article just over 24 hours ago, how large was the contribution of Eraring Power Station to the NSW electricity region today?
It appears bushfire smoke was negatively impacting rooftop PV production in a material way in Victoria yesterday
Some interesting data coming from our forecast convergence widget yesterday afternoon, hinted to us that bushfire smoke is likely to have been impacting rooftop PV generation levels in Victoria.
Four reasons why rooftop solar will grow to dominate the electricity market
Tristan Edis of Green Energy Markets argues how system longevity, battery-coupling, distribution network capability, and increasing capacity will shore up rooftop PV’s position in the market.
System Strength considerations for NSW via Market Notices … a low point reached in 2023 Q4
AEMO points to the TransGrid document from Wed 14th Feb 2024 ‘NSW Synchronous Generation – interim advice for System Normal requirement’.
Convective downdrafts and high-voltage transmission lines
In light of another transmission tower collapse caused by convective wind gusts, we’ve invited wind loading expert Dr John Holmes to explain this phenomena.
A major blackout left 500,000 Victorian homes without power – but it shows our energy system is resilient
Dr Roger Dargaville from the Monash Energy Institute argues that Tuesday’s events in Victoria were a showing of a system resilience, and not fragility.
Some *initial* headline questions following the transmission damage, unit trips & loss of load, initiated on Tuesday 13th February 2024
What happened yesterday (Tue 13th Feb 2024) in Victoria was a significant event in the history of the NEM – and the flow on effects will be felt for weeks and months (even years?). Here’s a starting list of questions we’d like to explore…
Another tower collapse poses more questions about transmission
The sixth transmission tower failure within the NEM in almost four years, has prompted further questions about the physical network and its resilience to severe convective winds.
Engie announces early closure of two dispatchable South Australian power stations
It was an article in the AFR, on the 6th of February 2024, that drew our attention back to generator closures. Engie have announced the early closure of Snuggery and Port Lincoln Power Stations.
What is the point of the RRO?
Ben Skinner asks some philosophical questions about the Retail Reliability Obligation (RRO), and provides some commentary about its past and future.
First output at Tallawarra B
A brief record, using ez2view, of the very early output data for EnergyAustralia’s Tallawarra B station.
Policy implications now and for the transition
The third and final part of this series of articles from Greg Williams about opportunity costs in electricity markets – this time narrowing in on policy implications.
Clean Energy Finance analysis says Eraring does not need to be extended
A short article to note another view (this one from Clean Energy Finance) on whether Eraring can close in 2025.
Comments and questions about the 2024 draft ISP
Clutch’s Mitch Baker has shared his initial thoughts and questions that jumped out to him from reading the AEMO’s 2024 draft ISP.
Hiccups over, at Loy Yang A4? (Part 3)
This article (Part 3) follows on from Part 1 and Part 2, which looked at four successive trip/outage at Loy Yang A4 in recent days.
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.
The early wind farms reaching 20 years: how are they performing?
With Challicum Hills Wind Farm recently celebrating its 20th anniversary, Dan Lee takes a look into the long-term trend of technical and commercial performance of the oldest wind farms in the NEM.
What’s been happening at Stanwell unit 1 since September 2023? (Part 1)
Today we take a look back at the operation of Stanwell unit 1 over the past 3 years … but particularly since its return from a Major Outage in September 2023