To lower your electricity bill in Darwin, consider using energy-efficient appliances and LED lighting, as they consume less power. It's also helpful to review your tariff plan and consider switching to a more suitable one if you find you're not getting the best deal. Make sure to be mindful of peak usage times and try to run heavier appliances during off-peak hours. Additionally, check for any available government rebates or assistance programs by visiting servicesaustralia.gov.au for more tailored support. Every household's situation is different, so it may be worth speaking with your energy retailer for specific advice.