Low wind yield drops lower, on Thursday evening 12th June 2025
One other snippet of information to share this evening (Thursday 12th June 2025) is about the low NEM-wide wind harvest... lower than earlier forecasts.
All Posts
A short-lived return to service for Yallourn unit 4
Worth a short note on Thursday 12th June 2025 to highlight the short-lived return to service at YWPS4:
Next blast of volatility–on Thursday evening 12th June 2025
Following yesterday evening's volatility, it's happening again on Thursday evening 12th June 2025.
North-south switcheroo as solar conditions swing opposite directions over Autumn 2025
Rainfall and cloud cover has split Australia this autumn, delivering a mixed bag of solar irradiance conditions for solar farms across the NEM.
An initial review of demand response on Wednesday 11 June 2025
Wednesday evening 11th June 2025 was a period of tight supply-demand balance, hence energy price volatility – and so this article reviews the response of the demand-side.
An initial walk through bidding during the volatility on Wednesday 11th June 2025
We take a first look at bidding across all units (aggregated up) for Wednesday 11th June 2025, with the volatile evening period of particular interest.
Brief summary of outcomes (Price, Demand and IRPM) for Wednesday evening 11th June 2025
We start with this colour-coded tabular record of a 4-hour period (16:00 to 20:00 NEM time on Wednesday 11th June 2025) as a reference point for further analysis of the evening volatility.
Battery bidding is reshaping FCAS — But Demand Response remains a strategic asset
Paul Moore of Viotas look at recent supply-demand dynamics within the contingency FCAS markets and whether demand response can play a role.
High prices and tight spare supply, as NEM-wide IRPM drops down to 11.48% on Wednesday 11th June 2025
Cold weather this evening has brought prices above $7,000/MWh and tight reserve margins across the NEM.
Prices up in every region, on Wednesday evening 11th June 2025
A very quick note for Wednesday 11th June 2025 with this snapshot from NEMwatch at 17:00 (NEM time) to record the start of some elevated prices.
Guest Authored Posts
Not all renewable projects are created equal: Why approval times vary dramatically across Australia
Alice Matthews examines how approval times for renewables vary widely by state and technology — with NSW wind projects facing the longest delays.
Triple C conditions (cold, calm and cloudy) across the NEM last Thursday evening 26th June 2025
Carl Daley examines the underlying conditions and outcomes that occurred last Thursday evening, the 26th of June.
Detailed Analysis
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.
How are South Australia’s non-scheduled wind farms participating in the market now?
AEMO recently imposed additional dispatch obligations on six non-scheduled wind farms in South Australia. We take a look at what this means in practice.
What does the future hold for Wind and Solar in the NEM – seen via GenInsights21?
Following from the release of GenInsights21, in this article we look at some of what that analytical publication can help us understand, in terms of how the changing market is impacting on the role...
How should the AER’s wholesale monitoring responsibilities change, to suit the changing market environment?
On Tuesday 21st December 2021 the AER requested the AEMC to consider changing the prescriptive requirements in the Rules for the AER to analyse particular types of market outcomes in particular ways, and instead...