COMPENG is intended to provide an international forum for experts and professionals working on the latest developments in the fields of complexity theory and its application in an engineering perspective, with special emphasis to electrical and communication networks, automatic control, distributed robotics, critical infrastructures, electronic and control systems, data collection and mining, management of large engineering systems and impacts and evolution of technological and engineered complex systems. Authors are encouraged to submit papers on their research in complexity science and engineering considering, and not being limited to, the following topics: Critical Infrastructures Dynamic Online Security Assessment Smart Grids Automation & Control Distributed Generation Systems Communication and Internet Networks Network and Service Interoperability and Security Adaptive and Self-Organizing Engineered Systems Agent-based Models of Engineered Systems Management of Large and Complex Engineering Systems Evolution and Impacts of Technology Engineering and Socioecological Conflicts