The NEM consumes (at least) 10GW of supply from renewable plant on Sunday 19th July 2020
A short review, as it happens, on a day where renewable production reached 10,000MW in aggregate across the NEM.
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Four headline challenges amongst a very busy summer 2019-20
My participation in yesterday's session about ‘Energy Technology – performing under (heat) stress’, organised by the Australian Institute of Energy, was an opportunity to reflect on what I...
Semi-scheduled generation–what are the real issues?
Marcelle digs into the data to find out what the real issues are in the AER's proposed rule change for semi-scheduled generators.
Difficult to determine (i.e. minor) reduction in daily NEM-wide aggregate ‘Underlying Consumption’ in 2020, the (first?) COVID year
For several reasons I've updated my view of how daily aggregate Underlying Electricity Consumption has been trending across the NEM in this 'Year of COVID'.
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
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.