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Last Updated on 18 April 2021

Top ten energy & electricity companies in Australia in 2021


Electricity and gas for your home should be easy and affordable. Whether you’re moving or are simply after a better deal, we compare Australia’s top energy providers and help you cut your energy bills.

Over 2.5 million Australians compared with electricityandgas.com.au last year alone, so you know you’re in good hands. But how do Australia’s leading energy providers stack up?

Here’s our guide to Australia’s top 10 energy companies based on company size, benefits, price and more.

Key Points
  • The best way to save money on your electricity bill is by regularly comparing and switching plans.
  • Comparing with electricityandgas.com.au is a quick and hassle-free way to find the best deal
  • Energy companies have varying degrees of customer satisfaction, so it pays to research before you buy.

Diamond Energy

Established in 2004, Diamond Energy supplies sustainable power from renewable sources. It was one of just two companies to get a 5-star rating from Greenpeace’s Green Electricity Guide in 2018.

The company has a high customer service rating, with 100% of its calls being answered within 30 seconds. Their ‘Thr1ve’ rewards program lets members work towards a $100 discount on their bill through friend referrals.

Key Points
  • States available: New South Wales, Victoria, South Australia, Queensland.
  • Partially Australian owned.
  • Rated good by the AER for answering customer calls.
  • Fewer than 1% of customers complain.

Powershop

Powershop was established in 2009 and has over 55,000 customers across Australia. They provide electricity in South Australia, South East Queensland, New South Wales and Victoria.

Greenpeace named the company one of Australia’s greenest energy retailers. Powershop is the only 100% carbon neutral energy retailer in the country and they take a strong public position against fossil fuel investment.

Powershop operates entirely online and can be managed through an app that lets you pay for your electricity by buying ‘Powerpacks’, which can save you money.

Key Points
  • States available: New South Wales, Victoria, South Australia, South East Queensland.
  • Australian and New Zealand owned
  • Rated good by the AER for answering customer calls.
  • 1% of customers complained in 2019/20.

EnergyAustralia

EnergyAustralia is one of the largest energy retailers in Australia, providing electricity and gas to more than 1 million residential and small business customers in Queensland, New South Wales, ACT, Victoria and South Australia.

According to the energy regulator, Energy Australia answered 66% of its calls in 30 seconds or less. Customers can earn Virgin Velocity Points as well as purchase carbon offsets.

Key Points
  • States available: New South Wales, Victoria, South Australia, ACT, Queensland.
  • Not Australian owned.
  • Rated average by the AER for answering customer calls.
  • 2% of customers complained in 2019/20.

AGL

Founded in 1837, AGL is one of Australia’s oldest companies, today servicing over 3.9 million customers. It retails electricity in New South Wales, Victoria, Queensland and South Australia, and gas in the same states, as well as Western Australia.

AGL has a good customer service reputation, with 80% of calls answered within 30 seconds. Customers can link their account with Flybuys, as well as use an energy reporting tool that closely tracks energy usage. The company also offers carbon offsets.

Key Points
  • States available: New South Wales, Victoria, South Australia, Queensland.
  • Partially Australian owned.
  • Rated good by the AER for answering customer calls.
  • 3% of customers complained in 2019/20.

Origin Energy

Origin Energy was established in 2000 and today has over 4.2 million electricity customers, making it the largest energy retailer in Australia. They sell electricity in New South Wales, Victoria, Queensland, South Australia and the ACT, as well as natural gas in these states, plus Western Australia.

Origin is also involved in exploration operations for natural gas and solar panel installation. It has recently committed to halving its carbon emissions by 2032.

Customers have access to the Origin App, which lets them see their daily power usage, pay their bills and more. Their customer service is average with just 53% of customer calls answered within 30 seconds.

Key Points
  • States available: New South Wales, Victoria, South Australia, ACT, Queensland.
  • Partially Australian owned.
  • Rated average by the AER for answering customer calls.
  • 1% of customers complained in 2019/20.

Click Energy

Click Energy was established in 2006 and is owned by AGL. Although it’s one of the smaller companies on this list, it has a good reputation for customer service.

Click Energy is 100% online, which means lower overheads and, according to Click, lower prices. They also offer pay-on-time discounts on both usage and supply charges.

Based in Melbourne, Click Energy supplies both electricity and gas in New South Wales, Queensland, South Australia and Victoria.

Key Points
  • States available: New South Wales, Victoria, South Australia, Queensland.
  • Partially Australian owned (as part of AGL).
  • Rated good by the AER for answering customer calls (as part of AGL)
  • 3% of customers complained in 2019/20 (as part of AGL).

Alinta Energy

Alinta Energy started out selling gas in Western Australia in the 1990s. Today provides both electricity to over one million customers across New South Wales, Victoria, Queensland, and South Australia.

The company has won awards for customer service and answers 74% of customer calls within 30 seconds. Their electricity and gas plans come with no lock-in period or exit fees, and customers can enjoy rewards like gift cards, discounts on movies as well as an energy package bundled with Kayo Sports.

Key Points
  • States available: New South Wales, Victoria, South Australia, Queensland.
  • Not Australian owned.
  • Rated average by the AER for answering customer calls.
  • 4% of customers complained in 2019/20.

Simply Energy

Simply Energy was established in 2005 and has become one of Australia’s fastest-growing energy companies. They now have over 730,000 electricity and gas customers across Victoria, New South Wales, South Australia, Queensland and Western Australia.

Customers can access loyalty discounts if they’re members of Simply Energy partners like RACQ and NRMA. The company also offers GreenPower carbon offsets. Their call response times are good, with 82% of customer calls answered within 30 seconds.

Key Points
  • States available: New South Wales, Victoria, South Australia, Queensland.
  • Not Australian owned.
  • Rated good by the AER for answering customer calls.
  • 7% of customers complained in 2019/20.

ActewAGL

ActewAGL was formed in 2000 when AGL and Icon Water came together in the country’s first utility joint venture. The company supplies over 200,000 customers with electricity in the ACT, as well as providing gas to some regional parts of NSW. They answer 63% of customer calls within 30 seconds.

ActewAGL offers customers carbon offsets, as well as comprehensive energy efficiency products. Their ‘EvenPay’ service lets members even out the cost of their energy bills with set, regular payments.

Key Points
  • States available: ACT, New South Wales.
  • Partially Australian owned.
  • Rated average by the AER for answering customer calls.
  • 1% of customers complained in 2019/20.

Aurora Energy

Established in 1998, Aurora Energy supplies gas and electricity to over 280,000 Tasmanians. The company is owned by the Tasmanian government and there is only one competitor in the state.

According to the energy regulator, just 47% of calls were answered within the first 30 seconds. They have a particular focus on renewable power through its AuroraGreen program.

Key Points
  • States available: Tasmania
  • Australian owned.
  • Rated poor by the AER for answering customer calls.
  • 4% of customers complained in 2019/20.

If you’d like to find a competitive deal on energy, we’re here to help. Compare prices with electricityandgas.com.au from the top energy companies in Australia today.

FAQs

Green Electricity Guide Ratings 2018.
Australian Energy Regulator, Annual Retail Markets Report, 2019-20, November 2020.
Powershop, Carbon Neutral Certification, November 2020.
AGL, investors results centre, December 2020.
Canstar, Which energy companies are Australian owned, November 2020.
Australian Energy Regulator, Public register of authorised retailers, December 2020.
Australian Energy Council, New market structure emerging review, July 2019.

This guide is opinion only and should not be taken as medical or financial advice. Check with a financial professional before making any decisions.


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Editor

Sarah M.