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.
All Posts
Reliability Panel comments on AEMO’s Transition Plan for System Security on 23rd April 2025
The Reliability Panel responded to the AEMO’s first iteration of the annual Transition Plan for System Security (TPSS) with comments with this 4-page letter on Wednesday 23rd April 2025.
Games that self-forecasters can* play (Part 1 – An Overview)
I've promised to write this article for some time, but a few recent events (and looming start of FPP) have caused me to publish this now.
A quick walk through a few volatile evening periods
As they were occurring, we noted some instances of price volatility over several consecutive days earlier this month: On Monday 7th April 2025; On Tuesday 8th April 2025; On Wednesday 9th April 2025; On...
AEMO publishes draft ‘Congestion Information Resource Guidelines’ – submissions due 19th May 2025
On Tuesday 15th April 2025, the AEMO published its draft report on 'Congestion Information Resource Guidelines', seeking feedback by Monday 19th May 2025.
AEMO published its HLIA for the ISF Implementation … and seeking input on draft ‘Security Enablement Procedures’
As the next steps in implementing the AEMC's ISF Reforms, the AEMO has published: (a) on 7th April a consultation; and (b) on 17th April a HLIA.
AEMO commenced a consultation on the Constraint Formulation Guidelines
On Monday 7th April, the AEMO commenced a consultation on the Constraint Formulation Guidelines - which touches on three different changes that some of our readers will find of interest.
Drop in NEM Mainland Frequency appearing to coincide with trips at New England Solar Farm, on Saturday 19th April 2025
We take a quick look, after AEMO noted that at 13:51 (NEM time) the New England Solar Farm No.1 and No.2 both tripped.
AEMC draft determination, about ‘Allowing AEMO to accept cash as credit support’
A little over 2 weeks ago (on Thu 3rd April 2025) the AEMC made a draft determination on the rule change proposal by Delta Electricity to allow AEMO to accept cash as credit support.
Three units at Bayswater (temporarily) offline, on Tuesday 15th April 2025
It’s not the first time that it’s happened in the history of the NEM, but worth noting that we're (temporarily) down to 1 x Bayswater unit online at present on Tuesday 15th April 2025.
Guest Authored Posts
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.
The challenge of imperfect foresight: Storage operation in a highly renewable NEM
Josh Boegheim from Powerlink discusses the limitations of perfect foresight assumptions for system planning—and shares results from a recent study that simulated energy storage dispatch using deterministic and stochastic forecasting approaches.
Detailed Analysis
Three headline observations, about the use of proxies for System Frequency in Frequency Control mechanisms
Various authors have shared articles about frequency, frequency control and Regulation FCAS in recent times (including 6 from Linton). Here's three things that jumped out to me in these pieces of analysis.
Is VRE forecastable? (Part 1 in what might be a series)
Over many years we've invested deeply in analysing the nuanced answer to the question 'Is VRE Forecastable?'. This article (which has almost been posted many times before) is triggered today by yet one more...
NEMDE nightmares – parallel pathways and clashing constraints
Prompted by a question by a client in a training session for a new ez2view user, guest author Allan O'Neil has written 2,940 words to explain the price outcome in one particular dispatch interval...
The state-of-charge for 2024: The highs and lows of the big battery boom
Following on from a similar review this time last year, Dan provides an updated look at the economics and performances within the NEM's big battery fleet, making use of our recently released GSD2024.
Indicators of solar farm performance with GSD2024
Seeking indications of possible performance at solar sites announced in the CIS tender of 2024, we inspect statistics of nearby solar farms using the GSD2024.
New FCAS resources dominate enabled levels in 2024
Using the latest GSD – GSD2024 – we take the opportunity to reflect on FCAS enablement and how enabled levels are changing between technology types.
Keeping up with the curtailment 2024: A little? too much? or much ado about nothing?
Drawing from our freshly released GSD2024, Dan provides some deeper insights into curtailment in the NEM, beyond the headline totals that were a topic of much online discussion earlier this week.
The GSD2024 (Generator Statistical Digest 2024) is released
It's Wednesday 5th February 2025, and we* are pleased to release the GSD2024 … following a focused effort across both teams over the period since the changeover from 2024 into 2025. Some details here,...