AEMO identifies Power System Oscillations in ‘Polygon of Pain’ (Briefing Session – Wednesday 25th August)
A short note from AEMO's weekly newsletter - about power system oscillations in west Murray region (VIC/NSW)
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.
Do you know what’s causing some increased latency on P5MIN data files on MarketNet in recent weeks (Potential Tripwire #4)?
Re-posted with update: In recent weeks we have noticed a trend towards increased latency in the creation of the ‘PUBLIC_P5MIN_*.csv’ files published by AEMO on MarketNet, and we wonder if you can help us...
Fire at ‘Victoria Big Battery’ as food for thought in relation to battery chemistry
Some quick thoughts, spurred by Simon Hackett's comment in relation to the fire at the Victorian Big Battery
$1.5b write-down in value of assets at Origin Energy
On Thursday 30th July 2021 Origin Energy announced a large impairment on several different types of assets - its own generation portfolio, renewable PPAs, and gas purchase contracts. However the focus in the media...
AEMC published Draft Rule on Energy Storage Systems
Coincident with the AEMC's Final Determination yesterday (Thu 15th July) on FFR, there was also the Draft Determination published on Energy Storage Systems. Here are some (very) early thoughts...
AEMC published Final Rule on Fast Frequency Response (FFR)
A quick note following AEMC publication of final determination on Fast Frequency Response (FFR).
Spot price volatility on Sunday 11th July 2021 – straight out of Angela Macdonald-Smith’s article!
Straight out of the pages of the FinReview and into spot price outcomes in the NEM on Sunday 11th July 2021!
AEMO rule change proposal – replacement of ST PASA process, and data set
Last week, the AEMO submitted a rule change request to the AEMC for a redevelopment of the ST PASA process (and data sets published - to facilitate what would be a great increase in...
End of the road looming – for Liddell, and also AGL’s Torrens B … and another day delay for Callide C3!
More changes to retirement schedules in the market prompt me to power up the 'MT PASA DUID Availability' widget in ez2view once again...
Is the predictability of day-ahead demand improving?
Day-ahead demand forecasts will be integral to any future 'Ahead Market'. We take a look at the current state and accuracy trend of demand forecasts made 24 hours ahead as part of the broader...
Villain #8 – the ‘Invisible Man’
A few recent developments have prompted this article about Villain no8, a villain initially contemplated prior to my 'forecast of sorts' back at Clean Energy Summit in July 2017.
Potential Tripwire #3 When is a load not a load?
A feature of the upcoming EMMS technical specification that distinguishes demand response units from scheduled loads could impact some users of NEM data, if left unmanaged.
Potential Tripwire #1 = the ‘invisible’ 5-minute Trading Periods?!
In this article we discuss the 1st of 3 Potential Tripwires that wholesale market participants and others will encounter from October 2021 ... with Tripwire #1 coming from the implementation of Five Minute Settlement.
Ranking wind farm performance and FCAS costs in the NEM in 2020
Which wind farms performed best in 2020? Marcelle extracts data from the GSD2020 to compare spot (and LGC) revenue, and FCAS cost performance, across wind farms in the NEM.
FCAS goes from fast to very fast
Just under 3 weeks ago (on 22nd April 2021) the AEMC published a draft determination that would establish 'Fast Frequency Response' as an additional (i.e. 9th and 10th) FCAS service in the NEM. We...
Liddell unit 3 to close in 11 months time … on 1st April 2022?
Saw an update from the AER this evening pertaining to Liddell unit 3, and had a quick look with the power of the Generator Statistical Digest 2020.
Mothballing logic, and reason?
Recent events in the NEM are causing me to wonder whether we've suspended logic, and reason, in charting a workable course through this energy transition?
ESB releases Options Paper on post 2025 market design … is it a ‘NEM 2.0’ design to get us beyond 2040?
A quick note to alert our readers that the ESB has published an Options Paper today on the post 2025 Market Design (with submissions due Wed 9th June 2021).
The ‘Virtual Storage Product’ as a game-changing energy deal
Caroline Wykamp and Hydro Tasmania's wholesale team discuss the new 'virtual storage’ electricity swap contract that they have recently brokered with Renewable Energy Hub.
Ranking solar farm FCAS costs in the NEM in 2020
Following recent articles on spot market revenue earned by solar farms in the NEM in 2020, Marcelle takes a look at their FCAS costs.