Volatility in South Australia on Thursday afternoon 17th November 2022
With low wind production in South Australia on Thursday 17th November, limited import capability and curtailment of rooftop PV, the price has spiked on Thursday afternoon
Articles by Paul McArdle
One of three founders of Global-Roam back in 2000, Paul has been CEO of the company since that time.
As an author on WattClarity, Paul's focus has been to help make the electricity market more understandable.
Curtailment of distributed PV occurring in South Australia on Thursday 17th November 2022
Once again this week we see (today, Thursday 17th November 2022) the AEMO taking action to curtail rooftop PV in South Australia to keep the system stable whilst islanded.
Curtailment of distributed PV is occurring in South Australia on Wednesday 16th November 2022
Same as yesterday, today (Wed 16th Nov 2022) sees curtailment of distributed PV occurring in South Australia.
Dispatch of the market’s more complex at present … with SA on its own island (and TAS still in pieces)
One of the side-effects of the transmission issues in South Australia and Tasmania is a (much) more complex dispatch process – with NEMDE file creation times slowing down as a result.
Curtailment of distributed PV is occurring in South Australia on Tuesday 15th November 2022
On Tuesday 15th November 2022 we see curtailment of distributed PV has been underway since this morning.
A quick review of the sequence of events in SA immediately around the islanding on Saturday 12th November 2022
Fifth article for Monday 14th November 2022 … taking a quick initial look at the sequence of events immediately around the islanding in South Australia on Saturday 12th November 2022.
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.
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.