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.
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.
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...
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...
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...
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...
‘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...
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.
AEMO says – all systems go, for Five Minute Settlement
Sharing the AEMO's email this morning alerting the market to the 'full speed ahead to 5MS' notice.
No front page media horror stories for AEMO’s 2021 ESOO!
The AEMO's 2021 ESOO was released this morning. Here's where you can get it, and some of the articles written about it.
New low mark for production from brown coal on Saturday 28th August 2021
Following comments on social media over the weekend about a new low point for brown coal generation, I took a quick look.
ESB’s Final (or perhaps not so final?) Advice to Energy Ministers finally sees the light of day!
On Thursday 26th August 2021 (a little over 4 weeks after it was provided to the Energy Ministers by the Energy Security Board), the ESB's Final Advice to...
Low wind production (inside NSW+QLD) was one other factor contributing to price volatility in Q2 2021
As Q2 2021 unfolded, it seemed that there were many instances where prices spiked during evening demand peaks - and that wind output was low at the time....
A quick look at the generator bids across Sunday 23rd August 2021 (when Solar temporarily eclipsed Coal)
Prompted by reports elsewhere of solar PV production eclipsing coal-fired production on Sunday for a period of time, I had a quick look (including at aggregate bid volumes).
What happened at each of the DUIDs impacted by the ‘Q>>NIL_CLWU_RGLC’ constraint equation on Sunday 24th January 2021 (Part 5)
It's now seven months since the SCADA outage on Sunday 24th January 2021 - and we're finally able to complete and publish this (quite long) article exploring some...
AEMC launches two related reviews into the framework for Transmission Development
A brief weekend note about two initiatives commenced by AEMC on Thursday 19th August 2021 - both related to transmission development.
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)