Smart Energy Systems is a concept used to define different approaches that provide a scientific basis for designing and defining appropriate strategies for the application of sustainable energy systems, in multiple sectors. The “Smart” concept is used to describe a skill required to respond to changing situations by using information technologies and control systems to manage these interrelated systems in an energy and cost-efficient way. Smart energy view is based on the principle of collecting operational data by using new generation communication networks, and establishing sophisticated, secure and self-healing energy networks accordingly, via data analysis methods with enriched data sets of related information (for example technical and economic data). Moreover, being able to incorporate consumers into energy system is a crucial feature of a smart energy system. In Smart Energy Systems, generation of renewable energy, infrastructure support and energy consumption are interrelated; energy services are coordinated with active users and updated technologies as well. Together with the motivation formed from awareness of energy service providers and consumers; smart energy systems operating with the logic of remote monitoring of the network from the production stage to the end consumer, will generate more effective and sustainable energy processes. Also, visually impaired citizens will be guided by traffic signal technology. Smart Energy is an economic, efficient, effective and sustainable energy system that will provide a cleaner future for the next generations, in accordance with the vision of reducing greenhouse gas emissions and increasing energy efficiency by supporting smart networks and renewable energy production.