Run of volatility in Tasmania on Monday morning 14th November 2022
A run of volatility lasting several hours in Tasmania on Monday morning 14th November.
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.
Case Study of the ‘N::N_UTRV_2’ constraint equation – Friday 28th October 2022
A detailed look at the ‘N::N_UTRV_2’ constraint equation (focusing specifically on the spike at 17:30 on Friday 28th October 2022), drawing heavily on the newly-released 'Constraint Dashboard' widget in ez2view.
Too much rooftop PV in South Australia, not enough controllability – on Sunday 13th November 2022
6th article today, with some hints that AEMO and SA Power Networks are facing challenges in controlling the South Australian grid on Sunday 13th November 2022, after the islanding.
ElectraNet update at midday on Sunday 13th November 2022
Electranet have posted a short update in the middle of the day, Sunday 13th November 2022.
Looking forward into the week ahead in SA … living on the island
A first look forward to the week ahead in South Australia, to what's forecast in the market at a high level (using an ez2view trend widget).
First night of living on an island … with SA disconnected from the rest of the NEM
Third article for Sunday 13th November 2022 - this one taking a quick look at some pricing activity in the ENERGY market overnight.
Curtailment of rooftop PV underway in South Australia
A short initial article to note that curtailment of distributed PV is underway in South Australia under processes previously established by the AEMO.
ElectraNet tweets about tower damage near Tailem Bend (out for a week)
Second article in a growing series about the islanding of South Australia from Saturday 12th November 2022.
South Australia islanded (and ~80,000 without power), on Saturday 12th November 2022 (and until Friday 18th Nov 2022)
An initial article with the islanding of the South Australian region on Saturday evening, 12th November 2022.
ESB releases Directions Paper with respect to Transmission Access Reform
Also today (Thursday 10th November 2022) the ESB has released a Directions Paper on Transmission Access Reform - including suggestions for both Investment Timeframe and Operational Timeframe.
Origin Energy (perhaps) to be acquired and broken apart?
A short article about Origin Energy's announcement today.
Callide B2 back online on Wednesday 9th November 2022
Callide B2 has returned to service - perhaps a bit earlier than earlier projections noted.
Long-range trend of Instantaneous Reserve Plant Margin (IRPM) and focus on Q3 2022 – from GenInsights Quarterly
One of the metrics we introduced into GenInsights Quarterly Update for 2022 Q3 was a long-range review of IRPM (Instantaneous Reserve Plant Margin). In this article we share a little of what we found.
New lowest point for NEMwide demand on Sunday 6th November 2022
On Sunday 6th November 2022 the NEMwide demand dropped below previous 'lowest point' records.
Low wind on Friday 4th November 2022
Following a client request on Friday 4th November, here's a quick look at the low wind conditions occurring on that day.
What’s going on at the Callide power stations?
Prompted by a few media questions (on a day when all 4 units were offline together for about 3 hours), have taken a quick look at the status of the four units on the...
Griffith University study ‘Quantifying the risk of renewable energy droughts’
The Griffith University (by Joel Gilmore, Tim Nelson and Tahlia Nolan) study mentioned in earlier RenewEconomy article is now accessible on the Griffith University website here.
Callide C3 unit suffers cooling tower issues
Alerted via an ABC news article, we take a quick look at Callide C3.
We’ve released GenInsights Quarterly Updates (2022 Q3) on Monday 31st October 2022
On Monday 31st October 2022 we released GenInsights Quarterly Updates for Q3 2022 - second in the expanding series, following customer requests for updates of GenInsights21
Brief spike at 11:10 in NSW and QLD on Monday 31st October 2022
A quick article to document a spike at 11:10 on Monday 31st October ... which seems related (at least in part) to the same network outage as on Friday evening.