Share You can make large or small changes at home to reduce your electricity bill and help take action on climate change.Take a look at the information below to help you get started. Contact information Greener Communities 1300 434 434 firstname.lastname@example.org Appliances Appliances can account for up to 30% of your home energy use. Efficient lights Tips to keep your lighting costs down. Hot water Shrink the power bill in hot water Insulation and efficient heating You could cut your heating and cooling costs by up to 40% by insulating. Solar power Discover the power of solar. Staying cool Cool tips to stay cool.