I’m a Scientist, Get me out of here! have been producing a series of science debate kits for some years now. They contain a detailed lesson plans and online resources. They are simple and ready to use educational resources that are good for small groups or a whole class.
Their latest free debate kit is on the topic of Electricity Distribution. It gets secondary students thinking about how electricity distribution is a major engineering and technical challenge. Teachers can sign up to receive this kit and future ones here: debate.imascientist.org.uk/electricity.