IoT is a broad concept, basically if you connect an application with internet access to a physical device, you have an IoT system. Example: Management of a photovoltaic system or other generation of energy via smartphone.
The IEEE library has several excellent jobs: http://ieeexplore.ieee.org/Xplore/home.jsp
Here are projects: https://www.allaboutcircuits.com/projects/category/iot/
More on the topic: http://www.electricaltechnology.org/2016/07/internet-of-things-iot-and-its-applications-in-electrical-power-industry.html