@CHAPTER{ iet:/content/books/10.1049/pbpo095e_ch2, author = {Sebastian Lehnhoff}, author = {Mathias Uslar}, keywords = {energy usage patterns;information and communication technology;grid operations;ICT;intelligent energy systems;business models;distributed energy resources;DER;energy management;sustainable energy supply;smart-grid transition process;market roles;smart grid architecture;electric energy system;}, title = {Smart grid architecture - key elements and definitions}, booktitle = Communication, Control and Security Challenges for the Smart Grid, publisher = {Institution of Engineering and Technology}, year = {2017}, pages = {15-43}, series = {Energy Engineering}, doi = {10.1049/PBPO095E_ch2}, url = {https://digital-library.theiet.org/;jsessionid=53cvmuwv6f7cl.x-iet-live-01content/books/10.1049/pbpo095e_ch2} }