Find out how much you could earn and save when you generate your own energy with hydro, micro CHP or wind power. (If you’re thinking of installing solar electricity panels, use our new Solar Energy Calculator.)
If you're not sure where to start, our online tools will help you check how much energy you're using in your home, your water use and your travelling, and get lots of information about generating your own energy.
Looking for basic home improvements? Watch our videos to get the essential information you need to get started.