What are Canstar’s Most Satisfied Customers Awards?

Canstar’s Most Satisfied Customers Awards recognise companies with the most satisfied customers overall based on consumer surveys.

How many people do we survey for our SA electricity ratings?

Canstar surveyed 517 South Australian residents with an electricity account who pay their bills about their experience with their energy retailer. Market research company PureProfile manages the survey on Canstar’s behalf.

How do we rate SA electricity providers?

Respondents rate their satisfaction with their electricity provider from zero to 10, where zero is extremely dissatisfied and 10 is extremely satisfied. Respondents rate how satisfied they are with their providers in the following areas: Value for money. Customer service: e.g. email, telephone service. Bill and cost clarity: i.e. do you understand your bill? Online tools and advice. Ease of sign-up.

How do we work out the winner?

The Most Satisfied Customers Awards identify which categories have the most influence on customer satisfaction and weights them accordingly. The brand with the highest indexed score is awarded the Canstar Most Satisfied Customers Award for that category.

What other awards does Canstar give?

Canstar also gives Star Ratings awards to top-performing financial products and Outstanding Value Awards to providers with a range of high-performing products. Canstar’s Innovation Excellence Awards also showcase products and services that break new ground when it comes to helping customers.

Does Canstar rate other products?

Canstar rates products and services over a range of consumer categories, in addition to financial services. Explore Canstar’s Most Satisfied Customers awards here.

What is the best electricity plan in SA?

There’s no one ‘best’ electricity plan in SA, as different plans will benefit different people’s energy needs. That said, things to consider when comparing plans include: How a plan’s annual estimated cost compares to the reference price. The usage charge per kilowatt hour (kWh) and daily supply charge. Whether those charges are variable or fixed for a specific term. If the plan includes a guaranteed or conditional bill discount. Your tariff type - do you need a single rate, a time of use tariff, or do you require a controlled load? If there’s benefits for solar owners, such as a feed-in tariff.

How many electricity providers operate in SA?

There are over 20 energy retailers offering residential electricity plans in SA.

Do electricity providers offer the same prices across SA?

Typically, provider’s plan prices will vary across areas. This is because distribution costs can differ across distributors. Unlike most other states in Australia, SA only has one provider: SA Power Networks.

Best Electricity Provider In SA

Written by

Tara DonnellyManaging Editor, Utilities

Edited by

Grace KinrossResearcher

17 Feb, 2026

Fact Checked

Consumer Ratings

Most Satisfied Customers

Lumo Energy has re-emerged victorious in 2026’s customer satisfaction ratings for electricity providers in South Australia. Lumo Energy achieved the highest score in all categories, each based on what South Australians find important when considering any energy provider.

About Canstar’s Most Satisfied Customers SA Electricity Providers Awards

Canstar’s Most Satisfied Customers Awards shine a light on electricity providers with the happiest customers in SA. We ask customers to rate their satisfaction with their current electricity provider by important criteria such as customer service, how clear their bill and prices are, online tools and advice, ease of sign-up and value for money.

Numbers crunched by Canstar’s researchers:

517 customers surveyed
21 providers assessed
Five providers shortlisted
One award winner

Read our methodology

The best electricity providers in SA

The brands rated are listed below in order of best overall satisfaction.

1. Lumo Energy

For a third year in a row, Lumo Energy is the top electricity provider in SA in 2026, scoring consistently well across the board.

Lumo Energy is one of two providers owned by renewable power generation company Snowy Hydro – the other being Red Energy. For customers in SA, Lumo Energy’s main selling point is access to its Lumo Rewards program, which offers discounts from a variety of major shopping retailers. Lumo Energy’s offers come with attractive rates and no exit fees or contract terms.

Alinta Energy Plans

Here are Alinta Energy plans on our database for SA.

Provider	Plan name	Est. annual cost (inc. all discounts)	Est. annual cost (ex. conditional discounts)	Reference price comparison (Basic Plan Information)
Alinta Energy	HomeDeal Advantage	$2,186	$2,186	5% less
Alinta Energy	SolarBalance Go	$2,301	$2,301	Equal to
Alinta Energy	Standing Offer	$2,301	$2,301	Equal to

Results updated 23-02-2026 for Alinta Energy energy plans on Canstar's database. The results in the table above are sorted by Estimated annual cost including all discounts (Low-High) then Estimated annual cost excluding conditional discount (Low-High). Results for residential customers in Adelaide 5000, Australia in the SA Power Networks network, where general usage is 4,000 kWh / year on a Single Rate tariff. Lowest annual cost displayed, your bill will differ based on actual usage. Based on general usage, the AER Reference Price is $2,301 / year. *All prices listed are inclusive of GST except where indicated.

2. Origin Energy

Origin is one of Australia’s largest providers, offering a variety of variable rate plans in SA, most of which come with a 12-month benefit period, no exit fees or lock-in contracts. Partnered with Everyday Rewards, Origin also offers an Everyday Rewards plan, offering sign-up bonus points and points for every dollar spent on your power bills. Origin Energy placed second in overall satisfaction.

Origin Energy Plans

Here are Origin Energy plans on our database for SA.

Provider	Plan name	Est. annual cost (inc. all discounts)	Est. annual cost (ex. conditional discounts)	Reference price comparison (Basic Plan Information)
Origin Energy	Go Variable	$2,071	$2,071	10% less
Origin Energy	Everyday Rewards Variable	$2,163	$2,163	6% less
Origin Energy	Go Solar Variable	$2,186	$2,186	5% less

Results updated 23-02-2026 for Origin Energy energy plans on Canstar's database. The results in the table above are sorted by Estimated annual cost including all discounts (Low-High) then Estimated annual cost excluding conditional discount (Low-High). Results for residential customers in Adelaide 5000, Australia in the SA Power Networks network, where general usage is 4,000 kWh / year on a Single Rate tariff. Lowest annual cost displayed, your bill will differ based on actual usage. Based on general usage, the AER Reference Price is $2,301 / year. *All prices listed are inclusive of GST except where indicated.

3. EnergyAustralia

Originally known as TruEnergy, EnergyAustralia offers SA customers a range of electricity market offers, with conditional discounts, credits and dual fuel discounts often available as incentives. EnergyAustralia ranks third in overall satisfaction, performing strongly in ease of sign-up.

EnergyAustralia Energy Plans

Here are EnergyAustralia plans on our database for SA.

Provider	Plan name	Est. annual cost (inc. all discounts)	Est. annual cost (ex. conditional discounts)	Reference price comparison (Basic Plan Information)
Energy Australia	Flexi Plan	$2,140	$2,140	7% less
Energy Australia	Rate Fix	$2,209	$2,209	4% less
Energy Australia	Solar Max	$2,301	$2,301	Equal to
Energy Australia	Standing Offer (Home)	$2,301	$2,301	Equal to

Results updated 23-02-2026 for Energy Australia energy plans on Canstar's database. The results in the table above are sorted by Estimated annual cost including all discounts (Low-High) then Estimated annual cost excluding conditional discount (Low-High). Results for residential customers in Adelaide 5000, Australia in the SA Power Networks network, where general usage is 4,000 kWh / year on a Single Rate tariff. Lowest annual cost displayed, your bill will differ based on actual usage. Based on general usage, the AER Reference Price is $2,301 / year. *All prices listed are inclusive of GST except where indicated.

4. AGL

AGL offers a small selection of market contracts, including solar-specific and seniors plans, with variable rates and a range of value-add incentives (e.g. Netflix subscriptions and rewards programs). AGL came third in the 2024 Most Satisfied Customers award for electricity providers in South Australia.

AGL Plans

Here are AGL plans on our database for SA.

Provider	Plan name	Est. annual cost (inc. all discounts)	Est. annual cost (ex. conditional discounts)	Reference price comparison (Basic Plan Information)
AGL	Seniors Saver	$2,025	$2,025	12% less
AGL	Smart Saver	$2,140	$2,140	7% less
AGL	Netflix Plan	$2,169	$2,169	6% less

Results updated 23-02-2026 for AGL energy plans on Canstar's database. The results in the table above are sorted by Estimated annual cost including all discounts (Low-High) then Estimated annual cost excluding conditional discount (Low-High). Results for residential customers in Adelaide 5000, Australia in the SA Power Networks network, where general usage is 4,000 kWh / year on a Single Rate tariff. Lowest annual cost displayed, your bill will differ based on actual usage. Based on general usage, the AER Reference Price is $2,301 / year. *All prices listed are inclusive of GST except where indicated.

5. Engie

Formerly known as Simply Energy, French-owned Engie offers attractive rates and unique products, such as discounted movie tickets. Their Engie Perks plan gives customers a complimentary My NRMA membership for a year, which gives them access to perks such as travel or retail discounts. Engie takes fifth place on our shortlist for overall satisfaction.

Engie Energy plans

Here are Engie Energy plans on our database for SA.

Provider	Plan name	Est. annual cost (inc. all discounts)	Est. annual cost (ex. conditional discounts)	Reference price comparison (Basic Plan Information)
ENGIE	SA _ENGIE Perks Elec	$1,910	$1,910	17% less
ENGIE	ENGIE Everyday	$1,933	$1,933	16% less
ENGIE	ENGIE GreenPower	$1,985	$1,985	14% less

Results updated 23-02-2026 for ENGIE energy plans on Canstar's database. The results in the table above are sorted by Estimated annual cost including all discounts (Low-High) then Estimated annual cost excluding conditional discount (Low-High). Results for residential customers in Adelaide 5000, Australia in the SA Power Networks network, where general usage is 4,000 kWh / year on a Single Rate tariff. Lowest annual cost displayed, your bill will differ based on actual usage. Based on general usage, the AER Reference Price is $2,301 / year. *All prices listed are inclusive of GST except where indicated.

Previous winners in SA

This is the third year in a row that Lumo Energy has taken out Canstar’s Most Satisfied Customers Award for South Australia Electricity Providers. Other providers that have won this award in previous years include EnergyAustralia, Origin Energy, Alinta Energy and Engie (formerly Simply Energy).

2024: Lumo Energy
2023: Lumo Energy
2022: EnergyAustralia
2021: Origin Energy
2020: EnergyAustralia
2019: Alinta Energy
2018: Lumo Energy
2017: Simply Energy (now Engie)
2016: Simply Energy (now Engie)
2015: Lumo Energy
2014: Simply Energy (now Engie)
2013: Origin Energy
2012: EnergyAustralia
2010: TRUenergy

FAQs about Canstar's SA electricity provider award

Meet our energy experts

Tara DonnellyManaging Editor, Utilities

Tara Donnelly is Canstar's Managing Editor, Utilities, leading the team that focuses on energy, telecommunications and consumer technology. For more than a decade she has authored hundreds of articles covering these topics across Australia, the US and Canada, including seven years as part of the Canstar Group. Her expertise has seen her appear in national media including 9 News, 7 News, Sunrise, the ABC , The Australian Financial Review, 4BC Radio and The Sydney Morning Herald. Tara has been nominated for multiple awards for her technology reporting, including Canstar’s highly commended recognition for Best Consumer Technology Coverage in 2024. She has a Bachelor of Communications from the University of Canberra and is passionate about simplifying complex subjects so consumers aren’t just informed, they’re connected and confident. You can follow Tara on LinkedIn.

Grace KinrossResearcher

Grace is in the final semester of her Bachelor of Advanced Business (Honours) degree at The University of Queensland, majoring in Business Analytics and Marketing. Her studies have equipped her with strong capabilities in data analysis and consumer research. Grace began her journey with Canstar in early 2025 as a casual research assistant and has since progressed into her current role, where she oversees the consumer research ratings across a wide range of product and service categories. She is responsible for survey design and consumer data analysis, and enjoys her focus on uncovering insights that inform Canstar’s ratings and awards and help support consumers to make more informed decisions.