The best approach to save electricity is to close the lights when you are not utilizing them. Try to all-natural light during daytime as well. Open your curtains and permit all-natural light in your house so you won't have to open your lights during daytime.
This will probably be a issue to the people who are not using solar and wind energy as their alternate supply. They are fairly costly until now so some people feel that it won't be useful to regular homes.