AEMC issues 3-month delay to the commencement of Five Minute Settlement
The rule change that delayed the start of 5MS to 1st October 2021
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It’s good news that time-weighted average prices for Q2 2020 are down on prior years – right?
Spurred by a number of concurrent requests I've returned to the pattern of prior analysis of Q2 prices (completed in 2016, 2017 and 2018) to look at what's...
‘Too Low for Zero’ as a parable for the AER Issues Paper?
Here's an attempt to translate the concern underlying the AER Issues Paper into 'plain English' via the popular song.
‘Energy Technology – performing under (heat) stress’ – discussion on Friday 17th July 2020
In the midst of winter, it would be easier to forget the stresses that the NEM encountered over the prior summer 2019-20. Thankfully, the Australian Institute of Energy...
Investigating the action on a trading interval boundary using the latest ez2view v7.4.5.665
Marcelle uses the latest release of ez2view (v7.4.5.665) to further investigate the impact of low dispatch prices in QLD on Saturday July 4 2020.
Saturday 4th July 2020 sees QLD spot prices crunched over long periods of the day, with solar booming
Some quick reflections on a day that saw spot prices in QLD down below $0/MWh for most of the period seeing strong daylight hours, hence strong injections from...
‘NEM merchant pricing–is this the new normal?’ – discussion on Wednesday 15th July 2020
During another week that showed signs of the challenges facing all generators (new and old) in relation to spot prices for energy, invitations were delivered for discussions that...
Trended daily aggregate wind output since January 2010
Prompted by what I'd seen in the (daily) periodic cycling of aggregate wind production recently, I took more of a look at what's been apparent over time.
AER releases Issues Paper on proposed rule change(s) for Semi-Scheduled generators
It's not a surprise to me to see that someone (the AER in this case) has released an Issues Paper canvassing options for changing the way Semi-Scheduled generators...
Why controlling residential solar inverters is more complicated than it appears
SwitchDin's Joseph Kassouf examines the real-world challenges of coordinating control of rooftop solar inverters.
DER Visibility and Monitoring Best Practice Guide – real time data is key to industry growth
Several stakeholders within the DER industry have come together to publish a best practice guide specifying the data required to enable aspects of the next iteration of our...
AEMO releases its ‘2019-20 NEM Summer Operations Review Report’
There's much to consider in today's publication from the AEMO - which looks in detail at the many challenges they faced through summer 2019-20.
What’s been happening with Bald Hills Wind Farm
A brief look at what's been happening at Bald Hills Wind Farm - over the 18 months since January 2019, but most particularly in the past couple weeks...
The rise of the ‘Negawatt Factory’?
My understanding is that the AEMC's Final Rule relating to the push to implement a 'Negawatt Dispatch Mechanism' will be released in the morning. I wonder what the...
‘Dunkelflaute’ Down Under
Yesterday evening (Tue 9th June 2020) saw an example of ‘dunkelflaute’ across the NEM. It's a phenomenon we will see increasingly as the transition progresses, so it's something...
Why Have Home Battery Forecasts Been Staggeringly Wrong For Years?
Ronald Brakels looks at the state of the home battery market and reflects on how past predictions of its evolution look in hindsight.
Looking gloomy at Oakey 2 Solar Farm again?
Yesterday I received a call from the people at PV Magazine who were preparing for the ‘Virtual Roundtables Europe 2020’ event on this week in Germany – i.e....
Feedback we have received about the 2019 edition of our Generator Statistical Digest
Just over 4 months have passed since the release of the Generator Statistical Digest 2019. We take a look back at some of the compliments and comments we've...
UQ presents webinar on the Q1 performance of their 1.1MW Tesla battery
The University of Queensland's project team that was involved with the installation and operations of their 1.1MW Tesla battery presented a webinar and exhaustive Q&A on the first...
Two units at Vales Point trip simultaneously on Sunday 7th June 2020
A quick look at the two units tripping at 13:33 on Sunday 7th June 2020, and some earlier operational problems the day before (perhaps unrelated).