How two households cut their energy use and costs
7 December 2012 Last updated at 07:34 GMT
The Warren family in Washington, Tyne and Wear and the Busby family in Surrey have embarked on an electricity saving experiment.
In an effort to try to help them cut down the amount of money they spend on electricity, BBC News fitted their homes with a monitor and asked them to introduce a few simple rules.
John Maguire reports on the results.