To compare energy prices in Newcastle, start by using online comparison websites that allow you to input your usage and preferences. These tools can help you see different plans from various retailers side by side. It's also a good idea to check each retailer's website for any special offers or discounts. Remember to consider factors like contract terms and fees, as well as customer service ratings. For tailored advice, you may want to consult the NSW Energy Switch website or speak to a licensed energy consultant.