BBC World Service - This plug socket can tell you how green your energy is, 21072022

Usually we don't know where the electricity we use comes from - is it being generated by wind or fossil fuels? But here's how a new smart socket could help tell us A small tech company in the UK has reinvented the humble electricity socket. This new smart socket tells you how much of your power could be coming from renewable energy. It can also save you money by spotting energy that's being wasted