Recovery continues, at Victoria Big Battery
Some activity alerts prompt this short look at how the Victoria Big Battery is recovering from the industrial fire that took it out of action for a number of weeks.
Articles by Paul McArdle
Paul was one of the founders of Global-Roam in February 2000. He is currently the CEO of the company and the principal author of WattClarity. Writing for WattClarity has become a natural extension of his work in understanding the electricity market, enabling him to lead the team in developing better software for clients.
Before co-founding the company, Paul worked as a Mechanical Engineer for the Queensland Electricity Commission in the early 1990s. He also gained international experience in Japan, the United States, Canada, the UK, and Argentina as part of his ES Cornwall Memorial Scholarship.
AEMO releases Incident Report on 25th May 2021 event emanating from Callide C4
This morning (Fri 8th Oct) the AEMO has released its Incident Report into what happened on 25th May 2021, starting with problems at Callide C4.
Initial look at the latency of all rebids
Following from some analytical work performed in testing for Five Minute Settlement, here's a view of latency of rebids (all DUIDs, all commodities) in recent months that prompts a number of questions...
Price Volatility continues in QLD on 4th October 2021, under Five Minute Settlement
A quick look at three price spikes seen late afternoon in QLD on Monday 4th October 2021.
The slide continues – demand in NSW lower still on Monday 4th October 2021
Looks like AEMO will be announcing a new 'lowest point' for Operational Demand in NSW later, given what has happened on Monday 4th October 2021 (Labour Day holiday).
… also a new lowest point for NEM-wide demand on Sunday 3rd October 2021
In addition to being a low point for Scheduled Demand and Operational Demand in the QLD region, it was also the case on a NEM-wide basis.
New low point for minimum demand (not artificially suppressed) in QLD on Sunday 3rd October 2021
A short note about a new low point for minimum demand that appears to have been set in the QLD region on Sunday 3rd October 2021
A first view of bids under Five Minute Settlement
It was too tempting to take some time today to look back on the first fully 5-minute bids from Friday 1st October (the start of Five Minute Settlement) to see how much has changed.
Five Minute Settlement has commenced … but beware some tripwires!
It's quite early Friday morning, 1st October 2021 ... and Five Minute Settlement has commenced. Here's a *very* early initial look.
Callide C4 now not due back online until 1st February 2023
An updated look at return-to-service expectation for the damaged Callide C4 unit.
What does ‘next day public’ data show us about Tuesday’s re-start of operations at Victoria Big Battery
A quick additional look at activity Tue 28th Sept 2021 for Victoria Big Battery - as seen in ez2view with the benefit of 'Next Day Public' data.
Victoria Big Battery restarts operations following EnergySafe Victoria report
Two separate alerts received today about the Victoria Big Battery sent me looking for more information...
AEMO publishes Final Report on 24th January 2021 (total loss of SCADA systems)
A short back-dated article, to link in AEMO's final report on this incident.
Enabling FCAS at Musselroe Wind Farm – Information Session this Wednesday 29th Sept (15:00-16:30)
Today (Mon 27th Sept) we were alerted to this Virtual Information Session on Wednesday 29th September that some of our readers will be interested in (Enabling FCAS at Musselroe Wind Farm)
With ‘Minimum Demand’ plunging across mainland regions, AEMO initiates new Market Notices relating to Rooftop PV
Just last Friday the AEMO notified stakeholders more broadly about their new Market Notice Framework about ‘Minimum System Load’ and/or ‘Distributed Photovoltaics (DPV) Contingency’ ... prior to Sunday's new lowest point for minimum demand...
Minimum Demand in South Australia drops lower on Sunday 26th September 2021
Sunny skies and mild weather in South Australia on Sunday 26th September sees a new (lower) point for 'Minimum Demand set in the South Australian region.
What does ‘Forecast Convergence’ for MT PASA DUID Availability help us understand, about the ESB’s Final Advice?
Following from the ESB's Final Advice, and inspired by the one year anniversary of publications the MT PASA DUID Availability data sets by AEMO (thanks to the ERM-sponsored rule change) we take a quick...
The volatility seen through Q2 2021 was also a product of timing of solar production
Only ~11 weeks after the end of Q2 2021 we're still exploring details of the extreme price outcomes. Here's some of the ways in which solar PV played a significant role in the price...
‘Grid Demand’ in the NSW region plunges on Saturday 11th September 2021
[POSTED AT ~13:00] On Sat 11th Sept 2021, the 'Grid Demand' in the NSW region has dropped to levels not seen for many, many years ... especially when considering it is in the middle...
Interim boost to wind and solar in South Australia from ElectraNet’s new Synchronous Condensers
From 10:00 today (Friday 10th September 2021), ElectraNet’s new synchronous condensers (which have been under testing) will be deliver a boost to Semi-Scheduled units in South Australia.