Cheapest electricity in South Australia

Looking for the cheapest electricity in the SA Power network in South Australia? You’ve come to the right place to find the cheapest electricity. The tables below rank the cheapest offers from all retailers in South Australia. This information is updated each weekday.

How much could you save by switching?

According to the Australian Energy Regulator in September 2024, households with average energy use on a flat rate tariff in South Australia could save $506 on electricity a year by switching from the standard offer to the cheapest available market deal.

In December 2024, the ACCC released a report on the electricity prices paid by 6.7 million residential customers across Australia. The consumer watchdog found that more than 80 per cent of households in the National Electricity Network (NEM) could save money by switching to a cheaper electricity plan. Why stay stuck on an expensive plan?

Here’s how to find the best electricity deal for your place

Get a personalised cost ranking of every retailer’s publicly-listed electricity plans based on your unique energy use. If you are a small or big energy user, or perhaps you have solar, a battery or an EV, then WATTever’s comprehensive comparison will help you find the cheapest deals for your home. We include all retailers, tariff types, discounts, solar feed-in tariffs, input for concessions and more to help you make serious savings on energy. Start your online comparison here.

Cheapest Anytime electricity rates by retailer in South Australia

Retailer	General Usage	Daily Charge^	Reference Price *	Cost / Year Estimate
1st Energy	44.88c	117.70c	0% less than DMO	2,225
Alinta Energy	42.92c	97.55c	7% less than DMO	2,073
CovaU	43.32c	101.06c	6% less than DMO	2,102
Diamond Energy	45.13c	86.24c	3% less than DMO	2,163
Dodo	42.30c	126.37c	3% less than DMO	2,153
EnergyAustralia	42.21c	105.57c	7% less than DMO	2,074
Future X Power	45.45c	112.61c	0% less than DMO	2,229
GloBird Energy	34.14c	109.90c	18% less than DMO	1,822
Kogan Energy	36.80c	102.77c	17% less than DMO	1,847
Lumo Energy	42.93c	100.96c	6% less than DMO	2,086
Momentum Energy	33.88c	146.96c	17% less than DMO	1,842
Nectr	42.69c	143.00c	0% less than DMO	2,230
Next Business Energy	39.46c	89.08c	15% less than DMO	1,903
Origin Energy	41.24c	97.80c	10% less than DMO	2,007
Pacific Blue	45.35c	108.90c	1% less than DMO	2,211
Powershop	36.80c	102.77c	17% less than DMO	1,847
RAA Energy	37.54c	190.26c	2% less than DMO	2,196
Red Energy	42.93c	106.70c	6% less than DMO	2,107
Sumo	45.10c	116.60c	0% less than DMO	2,230
Tango Energy	45.35c	108.90c	1% less than DMO	2,211
ZEN Energy	41.78c	149.21c	1% less than DMO	2,216
AGL	40.62c	104.54c	10% less than DMO	2,006
Amber	39.22c	181.20c	0% less than DMO	2,180
Energy Locals	36.00c	127.00c	15% less than DMO	1,854
ENGIE	42.54c	116.60c	9% less than DMO	1,977
iO Energy	38.06c	165.00c	5% less than DMO	2,075
OVO Energy	34.98c	126.50c	17% less than DMO	1,811

Cheapest Time Of Use electricity rates by retailer in South Australia

TOU Periods – RTOU Tariff: Peak = 6am-10am and 3pm-1am, Shoulder = 1am-6am and Off-Peak = 10am-3pm

Retailer	Peak TOU	Shoulder TOU	Off-Peak TOU	Daily Charge^	Reference Price *	Cost / Year Estimate
1st Energy	53.46c	33.66c	28.27c	117.70c	0% less than DMO	2,222
Alinta Energy	52.37c	29.18c	24.01c	101.97c	7% less than DMO	2,071
CovaU	52.37c	30.96c	25.73c	99.94c	6% less than DMO	2,090
Diamond Energy	50.66c	39.62c	28.83c	101.87c	2% less than DMO	2,183
Dodo	49.22c	28.02c	32.65c	126.37c	4% less than DMO	2,147
EnergyAustralia	52.99c	28.64c	16.78c	115.19c	7% less than DMO	2,070
GloBird Energy	40.26c	21.23c	21.23c	133.10c	19% less than DMO	1,807
Kogan Energy	43.17c	15.27c	21.99c	129.58c	18% less than DMO	1,832
Lumo Energy	52.47c	23.08c	29.28c	100.96c	7% less than DMO	2,073
Momentum Energy	37.84c	28.16c	24.86c	150.92c	18% less than DMO	1,840
Nectr	48.73c	30.80c	30.80c	143.00c	0% less than DMO	2,221
Origin Energy	50.24c	24.52c	29.36c	96.71c	10% less than DMO	2,012
Pacific Blue	51.32c	39.05c	29.37c	108.90c	2% less than DMO	2,182
Powershop	43.17c	15.27c	21.99c	129.58c	18% less than DMO	1,832
RAA Energy	41.67c	29.32c	25.16c	189.94c	4% less than DMO	2,137
Red Energy	52.47c	29.28c	23.08c	106.70c	7% less than DMO	2,084
Sumo	49.50c	36.30c	35.20c	125.40c	0% less than DMO	2,228
Tango Energy	51.32c	39.05c	29.37c	108.90c	2% less than DMO	2,182
ZEN Energy	47.36c	33.43c	27.86c	158.38c	1% less than DMO	2,214
AGL	46.93c	28.22c	32.69c	104.54c	10% less than DMO	2,012
Amber	45.82c	45.82c	45.82c	181.20c	12% more than DMO	2,444
Energy Locals	40.00c	23.50c	27.50c	127.00c	17% less than DMO	1,796
ENGIE	51.97c	21.04c	34.12c	116.60c	8% less than DMO	1,994
iO Energy	41.80c	29.48c	25.30c	165.00c	8% less than DMO	2,002
OVO Energy	37.95c	21.56c	25.74c	156.20c	16% less than DMO	1,824

TOU Periods – RELE (Electrify) Tariff: Peak = 5pm-9pm, Off-Peak = 10am-4pm, Shoulder = all other times

Retailer	Peak TOU	Shoulder TOU	Off-Peak TOU	Daily Charge^	Reference Price *	Cost / Year Estimate
Diamond Energy	52.54c	35.07c	35.07c	162.92c	6% more than DMO	2,369
GloBird Energy	67.22c	27.74c	20.06c	129.11c	14% less than DMO	1,909
Kogan Energy	51.59c	31.07c	29.52c	122.79c	17% less than DMO	1,856
Powershop	51.59c	31.07c	29.52c	122.79c	17% less than DMO	1,856
iO Energy	75.00c	51.00c	8.00c	165.00c	9% more than DMO	2,373

Cheapest Time Of Use Demand electricity rates by retailer in South Australia

TOU Periods – RPRO Tariff: Peak = 6am-10am and 3pm-1am, Shoulder = 1am-6am and Off-Peak = 10am-3pm

Retailer	Peak TOU	Shoulder TOU	Off-Peak TOU	Daily Charge^	Reference Price *	Cost / Year Estimate
CovaU	38.39c	29.74c	23.03c	115.50c	21% less than DMO	1,769
RAA Energy	33.43c	26.03c	23.55c	188.63c	15% less than DMO	1,892
Sumo	58.30c	50.60c	48.40c	154.00c	24% more than DMO	2,759
Energy Locals	31.50c	21.50c	24.00c	127.00c	29% less than DMO	1,543

Rates shown include GST and all available discounts.
Plan rates are variable and future rates may be subject to change by the Retailer - except where plan rates are stated as fixed in the Basic Plan Information Documents.
Plans are updated each weekday from the Retailer's Basic Plan Information Documents.
^Daily Charge includes the daily supply charge and the per day value of recurring fees or credits (eg. membership fees, monthly bill credits etc).
*Reference Price refers to the unconditional discount off the yearly cost of the Default Market Offer (DMO) for a household on a flat rate tariff without controlled load. In the SA Power network (SA) the discount is calculated based on annual usage of 4,000kWh. Regulation requires the DMO Reference Price to be displayed, however it does not take into account solar export nor a property's actual annual usage or when that usage occurs (for Time Of Use plans).
Cost/Year estimate shown is for the first year and includes includes all conditional discounts plus the value of exclusive benefits available when switching through wattever.com.au such as Prezzee eGift cards from WATTever and additional upfront/recurring credits from partner retailers. See plan details for more information. Your bill will vary based on actual usage.
For plans with a demand tariff, the annual cost estimate calculated by WATTever includes a demand charge that assumes a peak demand of 25% of the daily benchmark electricity consumption.
Time of Use hours displayed are the periods published by each network. Individual retailers may offer different time of use hours - please review the plan Basic Plan Information Documents.

ActewAGL offers electricity plans in a small number of postcodes in the Endeavour Energy and Essential Energy networks. Please refer to the ActewAGL rates page for their plans.