Who Are the Big 3 Energy Retailers in Australia?
Australia’s energy market is largely dominated by three major players, commonly referred to as the Big 3. If you’ve ever glanced at your power bill and wondered whether you’re paying a premium for brand familiarity, you are not alone. These companies collectively supply electricity and gas to the majority of households and businesses across the country, shaping the pricing, service, and direction of the national energy landscape. Quick answer The Big 3 energy retailers in Australia are: AGL Energy Origin Energy EnergyAustralia In this article, we explore how these companies became dominant, how they compare to newer providers, and whether Australians should still rely on them—or consider help from an energy broker. Why Are AGL, Origin, and EnergyAustralia Considered the Big 3? These three companies earned their nickname because of market size. Together, they hold over two-thirds of the Australian retail energy market. That means around two in every three homes or ...