Distributed Energy Resources Roadmap By Wenona Hadingham, Kieran Rayney, Andrew Blaver, Brad Smart, and Jai Thomas Digital Object Identifier 10.1109/MPE.2021.3088960 Date of current version: 19 August 2021 T 76 ieeepower & energy magazine @2021 Australian Crown Copyright THE TRANSITION TO DISTRIBUTED energy resources (DERs) is happening rapidly in Western Australia, presenting serious and pressing risks to the safe and efficient operation of its main electricity grid, the South West Interconnected System (SWIS). DERs are smaller-scale devices that can either use, generate, or store electricity and form a part of the local distribution system serving homes and businesses. september/october 2021