In October 2023, the Wholesale Electricity Market (WEM) in Western Australia introduced a real-time inertia market called the RoCoF Control Service (RCS). While the name of the service suggests broader possibilities, the current WEM rules define inertia as “the kinetic energy (at nominal frequency) that is extracted from the rotating mass of a machine coupled […]
WEM Quarterly Market Review – Q1 2024
This report presents an independent review of market outcomes from Western Australia’s Wholesale Electricity Market (WEM) in Q1 2024. Download the full report (PDF, 4.7 MB) See also the RenewEconomy article covering the report (8 April 2024). The material contained in the review is based entirely on publicly available data and is intended to complement […]
How to decipher NEMDE constraint equation formulations
This post was originally published on Linkedin on 24 April 2023. The way constraint equation data that is used in the NEM Dispatch Engine (NEMDE) is organised and publicly disseminated is not very intuitive. This article is an attempt to demystify and make sense of how NEMDE constraint equation formulations are structured and published. So […]
Can a power system model of the NEM be built from publicly available data?
This post was originally published on Linkedin on 24 January 2023. Power system models for the NEM are used by AEMO and the Network Service Providers for their planning and operational studies and have historically been confidential and not made available to the public. In some circumstances, registered NEM participants can purchase snapshots of the […]