Smart meters are the new gas and electricity meters that promise to save you time, money and energy. But we reveal not all is what it seems. Ever wondered how much they cost to install or why the government really wants you to get one? Maybe you have toyed with the idea of whether you actually need one. Or perhaps you have one and it's left you feeling overwhelmed and questioning if it is as smart as it is made out to be. With reports of more and more horror stories of inaccurate bills and an invasion of privacy, we explore the things the energy companies and the government don't want you to know. 

Alexis Conran uncovers the truth behind the promised benefits of smart energy meters.