Sunday 24th Jan 2021 (part 2) – down to the wire (because of bushfire) in South Australia
Second article today, focusing on what happened late in the afternoon and into the evening in South Australia.
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Sunday 24th Jan 2021 – a couple discrete incidents
It was forecast it would be a hot day in the southern part of the NEM and it did not disappoint. The hot weather was one of the...
High temperatures, and high demand, forecast for Monday 25th January 2021
Following several different warnings of high temperatures forecast for the lead-in to Tuesday 26th January 2021 (whatever you want to call that day) I've taken a quick look...
Yesterday’s unexpected loss of ~500MW of rooftop PV in South Australia (another type of Contingency event – Credible, or Non-Credible?)
Wednesday 13th January 2021 was a busy day in the NEM, with a couple of different events occurring. In this article we explore a sudden and unexpected drop...
NEM Local Temperature alert for Dalby (QLD) for Sat 16th Jan 2021 … an opportunity to check the draft GSD2020
Today (Wed 13th Jan 2021) a high temperature alert published by AEMO for the Dalby area in southern QLD prompted a quick look at what the GSD2020 shows,...
Both units trip at Callide C on Wednesday 13th January 2021
A pretty rare event in the NEM, when two units trip simultaneously ... so a short article on WattClarity as a result.
Maximising the benefit of renewables with an intelligent energy management system
Following a presentation to the EESA in September, Dr Robert May and Ashley Nicholls from SA Water have written a case study detailing the sophisticated energy management system...
Cranking the handle, to produce the Generator Statistical Digest 2020
In the same week that the Energy Security Board publishes it's 'The Health of the NEM' reports, looking from a top-down systems perspective, we crank the handle to...
Status update, on availability of the 48x remaining coal units across Q1 2021
Using an in-development (but soon to be released) widget in ez2view we take a look at forecast availability for coal units in NSW, VIC and QLD for the...
Bottom falls out of electricity demand in VIC on Christmas Day 2020
Short note about what might be a new record low point for electricity demand in Victoria on Christmas Day 2020.
Temperature Alert!
As we wind down for Christmas, recapping some developments (in Nov and Dec 2020) about high temperature limitations on generation technology across the NEM.
How aggregate production from Wind and Large Solar in NSW dropped last week – one factor contributing to price spikes and Reserve Trader
An unfortunately timed significant slump in output across all Wind and Large Solar plant in NSW was another of the factors contributing to the price volatility seen in...
What’s up with the fleet of 16 x coal-fired units in NSW?
Following a week where several days saw price volatility in NSW (with this being so extreme that Reserve Trader was triggered on Thursday 17th December) we've taken a...
Liddell unit 3 out till perhaps March 2021 after transformer incident (serious injury to one person)
The publication by AGL Energy of the short note about the transformer incident (and injured worker) at Liddell unit 3 yesterday prompted me to have a quick look,...
Increasing the transparency and correctness of intermittent generation availability information to AEMO
Following up to AEMO's recent Intermittent Generator forum, Marcelle looks at the challenges for wind and solar farms in providing consistently good plant availability information to AEMO and...
Price volatility (third day in a row) … and Reserve Trader dispatched in NSW
Third day in a row we see volatility in NSW (and QLD) ... and this afternoon AEMO contracts, and then dispatches, Reserve Trader in NSW
Wind and solar transactions: What to buy in the new-year sales
David Leitch & Ben Willacy of ITK Services provide an overview of the wind and solar assets in the NEM that are currently up for sale
More price volatility in (QLD and) NSW on Wednesday 16th December 2020
Second day in a row the price spikes in the NSW region ... higher and longer than yesterday. Low aggregate production from Wind and Large Solar across NSW...
Short price spike in NSW on Tuesday 15th December 2020
A quick look at a spike in NSW price this afternoon above $3,000/MWh due to a number of different factors ... including a trip of unit 3 at...
PPAs aren’t as easy as they used to be!
This is the fourth of a short series of video snippets extracted from the 17th September 2020 presentation by Marcelle Gannon and Jonathon Dyson for the Clean Energy...