Winter may not be a time when many people are thinking about cutting down on their energy usage. However, it does not hurt to see if you can use energy more efficiently - whatever time of year it is.Electricity suppliers can offer a lot of advice on how to use less electricity. For example, you should ensure your home is properly insulated and you should switch appliances off at the mains when they are not in use.Using less electricity will help the environment, as well as saving you money. To reduce you carbon footprint, you may also want to switch to an energy supplier that uses renewable methods of power generation, such as hydroelectricity or solar power.