With over 20 energy providers in Australia, which are the largest energy companies and which are the cheapest? Find out with Canstar Blue.
Top 10 biggest energy companies in Australia
Posted by July 15th 2025
Katrina Hasdell is an Energy Content Producer at Canstar Blue, where she covers Australia’s retail energy market. Having written more than 100 energy-related articles for Canstar Blue, Katrina is dedicated to providing consumers with easy-to-read information on their energy options so they can get better deals on electricity, solar power and more. She previously wrote content for Australia’s leading home services company, Pulse Home Services, while completing her BA in professional writing and publishing at Curtin University.
You can follow Katrina on LinkedIn.
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