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...
how dispatch works
An inter-regional interconnector refers to *the whole of* the transmission path between RRNs
We already noted this a few times recently, but we thought it would be worth separating out as its own article under the ‘Energy Literacy’ category, as it’s...
The proposed voluntary ‘Schedule Lite’ mechanism starts being deliberated at the AEMC
Today (Thu 3rd Aug 2023) the AEMC commenced a process of examining the proposed establishment of a 'Scheduled Lite' mechanism ...
How dispatch works … it’s much more than just a bid stack
New guest author, Ryan Esplin progressively builds a more precise model of the NEMDE dispatch process to illustrate why the stylised 'Merit Order' bid stack model is increasingly...
Explaining dispatch (and price setting) regarding Eraring Unit 2 on 30th May 2022
A question on Twitter from Benny Beatts (about dispatch of Origin's Eraring unit 2 on Monday 30th May) illustrates why price setting is not as simple as adding...
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.
Constraint Case Study Followup – Early outcomes of the new “X5 constraint”
On 25th November, guest author Allan O'Neil examined the 'X5 Constraint'. Two weeks of operation have passed, so now Allan reviews some of what's happened.
Case Study – How to interpret a new NEM constraint and guess what it might do
Given the great interest in the new 'X5 constraint', guest author, Allan O'Neil, has invested some time to pick the new constraint equation to understand (and then explain)...
Price Setting Concepts – an Explainer
Guest author, Allan O'Neil, contributes to our series of articles explaining how prices are set the the NEM (as part of how dispatch works). In this article, Allan...
Different approaches for dispatch
Highlighting the different approaches taken to cost/price based dispatch in an interconnected electricity system (or market).
Beginner’s Guide to how dispatch works in the NEM, and hence how prices are set
Walking through 5 (much simplified) "Dispatch Intervals" to illustrate some starting principles of marginal price based dispatch arrangements, such as used in the National Electricity Market