Be more efficient
Try to be more efficient with appliances. Make sure you turn appliances off instead of leaving them on standby. Almost all electronic appliances can be turned off at the plug without upsetting their programming.
Replace your bulbs
Try and switch your normal bulbs to energy saving light bulbs
Why not consider getting a standby saver which allows you turn off all your appliances off standby in one go?
Filling your kettle
Only fill the kettle with the amount you need, to save around £7 a year.