Solar panels are often sold on headline savings, but the more useful question is a practical one: how much electricity will they actually generate on your roof over the course of a typical UK year?

Solar panels can seem like a mysterious or complex piece of technology, but the basic idea is surprisingly simple: they capture energy from daylight and convert it into electricity your home can use.

Solar panels are often sold on headline savings, but the more useful question is a practical one: how much electricity will they actually generate on your roof over the course of a typical UK year?

Government regulations remain a major obstacle for this emerging solar technology. Here's where plug-in solar is allowed - and where it isn't.

My advice after testing the DIY energy tech at home. Don't let its wheels fool you, though. The F3800 Plus isn't designed for ...