Compare the estimated annual cost, not just the headline discount, and check usage rates, supply charges, contract terms and any exit fees. Look for conditional discounts, solar feed-in rates and whether prices can change during the contract. Use the Australian Government’s Energy Made Easy website to compare plans for your postcode and household usage. Before switching, confirm your current retailer’s final bill arrangements and ask the new retailer about connection timing, billing and concessions. Your best option depends on your circumstances and should be confirmed with the retailer.