If you are considering saving energy or becoming more self sufficient then I strongly suggest that you pay Sust-It a visit. This website is great for those of us living Off-Grid on either Solar, Wind Generator and or a combination of them. You can browse appliances by category and it gives you the following information:
1. Power used in KWH/Per year (Kilo Watt Hours)
2. Co2 Emissions in KG Co2/Year (Kilo Grams Of Carbon Dioxide)
3. Cost Per Year in £ to run.
If you require more detailed information you can simply click the more info tab and find out more about that particular appliance.