AEMO tenders for Short-Notice RERT Panel for Summer 2020-21
This morning the AEMO have called for expressions of interest for the ‘Unscheduled Short-Notice RERT’ for summer 2020-21.
Case Study of 03:25 on Tuesday 5th April 2016 (aggregate Raw Off-Target +359MW for Semi-Scheduled units)
After publishing three Case Studies on Saturday, this 4th Case Study in a long series is much more complex – with 8 different Semi-Scheduled Wind Farm units across VIC and SA exhibiting significant deviations from Target. This Case study looks at April 2016, which is also 3 years after the first 3 case studies.
Case Study of 03:10 on Saturday 28th September 2013 (aggregate Raw Off-Target +331MW for Semi-Scheduled units)
Third case study today – and last one looking back at 2013. This one is a bit more complex than the first two.
Case Study of 12:35 on Wednesday 14th August 2013 (aggregate Raw Off-Target +391MW for Semi-Scheduled units)
Like was the case on 4th July 2013, the cause of this large Aggregate Raw Off-Target result (across all Semi-Scheduled Generators) was a single unit trip.
Case Study of 14:55 on Thursday 4th July 2013 (>300MW Aggregate Raw Off-Target across all Semi-Scheduled Units)
Does not take long to see why this particular dispatch interval was one of the few dispatch intervals (before 2019!) flagged in our top-down analysis of aggregate Raw Off-Target across all Semi-Scheduled units in the NEM….
AEMO released 2020 Integrated System Plan (ISP)
A back-dated article about the AEMO’s 2020 ISP
Revenues for Wind Farms (and Solar Farms) in the NEM take a hit
A question over the weekend prompts this article, which follows from discussions to a Vestas-organised audience about revenue patterns and trends for Wind Farms in the NEM.
Extrapolating from the trend of ‘Aggregated Raw Off-Target’ results, to yield some clues to what the future might hold … and one challenge for NEM 2.0
Following on from Friday’s article (which considered the AER Issues Paper) this article delves into more detail of those extremes of ‘Aggregate Raw Off-Target’ across all Semi-Scheduled units that have been recorded over the past 10 years. There’s a clear clustering of cases in 2019 – what does it mean?
Striving to understand the underlying challenges with Semi-Scheduled generators (re AER Issues Paper)
Prompted by the recent AER Issues Paper (submissions on that due today – Friday 24th July) but also aware that I’ve not yet published some broader thoughts in response to the ESB’s requests for input into their Discussion Paper on the Two Sided Market concept, I’ve posted some further thoughts. These have been informed by a longitudinal analysis of Aggregate ‘Raw Off-target’ values across all Semi-Scheduled plant.
Mapping the impact of COVID-19 on electricity demand in Victoria
Jill Cainey from Energy Networks Australia maps the impact of COVID-19 on residential and business energy consumption in Victoria.
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.
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 saw as the Four Headline Events that gave example to a great many challenges we will have to grapple with as this energy (and climate) transition gathers pace.
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 changed for Q2 2020 that’s just ended. Some stakeholders clearly taken by surprise. Analysis includes the SWIS in Western Australia
‘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 has arranged for this discussion for next Friday 17th July.
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 rooftop PV systems.