How did Cyclone Alfred impact electricity demand?
By day-end on the Friday the 7th demand levels were down more than 40% in the Gold Coast. Other areas were also impacted.
All Posts
Today’s presentation to CEC’s Market & Grid Directorate
We thank the Clean Energy Council for the opportunity to share insights into revenue trends, cost trends, and analysis of upcoming changes for units operating in the NEM.
The top 10 batteries under FPP
In his second article, Jack Fox uses the Non Financial Operation (NFO) data to take a look specifically at batteries, and how they would have performed under FPP.
Back to forecast LOR2 for NSW for this evening (Sunday 16th March 2025)
A quick note showing the re-emergence of forecast LOR2 with a climbing forecast for evening demand in NSW.
Evening volatility in NSW on Saturday 15th March 2025
A very short article with this snapshot from NEMwatch at 18:20 (NEM time) on Saturday 15th March 2025 to mark evening volatility in NSW
About the ‘S-HUBG’ and ‘S-HUWT’ constraint sets, and yesterday’s network outage on Yorke Peninsula
With ElectraNet's unplanned network outage on Fri 14th March 2025, a quick look at the ‘S-HUBG’ and 'S-HUWT' constraint sets
ElectraNet experienced multiple faults on the transmission network Friday 14th March 2025 impacting power supply to the Yorke Peninsula.
Early on Friday morning 14th March 2025, ElectraNet experienced an unplanned network outage - including the Hummocks - Bungama 132 kV line, and Hummocks - Waterloo 132 kV line. Here's a first look.
Sunday 16th March could be a stinker in NSW … including with sporadic forecasts of LOR2
An article on DTN (formerly Weatherzone) prompts a look at forecasts for NSW this Sunday 16th March 2025
Down to ~17,000 customers off supply in south-east Queensland (not forgetting northern NSW)
It’s Friday morning 14th March 2025 and a quick review at the Energex Outage finder shows that we’re down to ‘only’ ~17,000 customers off supply
Burst of volatility in NSW and QLD (and Actual LOR1) on Thursday 13th March 2025
A short note with a snapshot from NEMwatch at 17:40 (NEM time) on Thursday 13th March 2025 to mark some volatility.
Guest Authored Posts
Aligning business cases with the current, and future, reality
Following his presentation at the CEC's Wind Industry Forum, Jonathon Dyson shares lessons learned from helping developers and operators of wind projects in solidifying their business case.
Do we have enough gas to wait until nuclear comes along?
Tristan Edis of Green Energy Markets discusses the practicalities of the gap that must be filled by the gas sector under the nuclear power timeline proposed by the Federal Opposition.
Detailed Analysis
What was the total cost of ‘keeping the lights on’ across the NEM in June?
Dan Lee provides some exploratory calculations in order to estimate the total cost of maintaining electricity supply throughout a very turbulent June.
AER identifies (at least) 9 discrete factors contributing to the extreme price outcomes (and other concerns) through Q2 2022
With the AER having released its 'Wholesale Markets Quarterly' for Q2 2022 yesterday, I skimmed and saw 9 discrete factors flagged ... each of which contributed to the extreme (price and scarcity) outcomes seen...
AEMO QED highlights (at least) Eight Factors contributing to extreme price outcomes in Q2 2022
On Friday morning 29th July 2022 the AEMO is releasing its 'Quarterly Energy Dynamics' for Q2 2022 - I've flipped through an embargoed copy and have highlighted here eight different factors flagged by AEMO...
On the fringes: the outer edges of the NEM remain the most prone to volatile MLFs
To mark the end of the financial year, Dan Lee writes this explainer about MLFs and gives some examples of noticeable long-term MLF trends within the NEM.
Pricing and dispatch during market suspension
Marcelle explores how settlement prices are set and how dispatch is operating during the current market suspension.
Who gets to run when everyone bids the same? A crash course in disorderly bidding and tie-breaking
Marcelle explores the little-understood concept in NEM dispatch of the tie-break principle, using the new 'Constraint Dashboard' widget in ez2view.
A briefing on GenInsights21 for Smart Energy Council members
Next Tuesday 5th April 2022 the Smart Energy Council has organised us to provide a briefing on GenInsights21, and what we can learn from this to inform the energy transition.
The Generator Statistical Digest 2021 (GSD2021) is released
We're please to note that the Generator Statistical Digest 2021 (a.k.a. GSD2021) is available to clients from Monday 28th March 2022.