SA · Full coverage

Electricity plans in South Australia, 2026.

Each network zone has its own market. We rank the cheapest flat-rate plan across the zones, based on a household using 410 kWh/month with no solar. Upload your bill for a personalised comparison.

Network zones
1
Retailers covered
7
Plans tracked
13
Cheapest annual
$1,342
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/ Zones in South Australia

Best plan per network.

Updated 6 June 2026

SA Power NetworksSA

Statewide, sole distributor

Adelaide · Mount Gambier · Whyalla · Port Augusta · Victor Harbor · Murray Bridge · Port Lincoln

7 retailersCheapest annual$1,342
Market averageall retailers
Avg

Average across 7 retailers in this zone

Annual
$1,794
Highest
$2,447
13 plans tracked→
Median planmiddle of market
Median

Half of plans in this zone are cheaper, half are more expensive

Annual
$1,684
vs cheapest
+$341
If you don't shop around→
/ Find your zone

How to identify your network zone.

Your distribution networkis determined by your address, not your retailer. It's usually printed on your electricity bill near your NMI (National Metering Identifier).

If you can't see it, enter your postcode on your state network's site, or just upload your bill, we read the zone automatically.

Skip the lookup → upload my bill

Cities by network

SA Power Networks
AdelaideMount GambierWhyallaPort AugustaVictor HarborMurray BridgePort Lincoln

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