Cheapest electricity suburbs in South Australia (SA)
Electricity costs in South Australia vary across suburbs and regions, primarily due to differences in network distribution charges. This page estimates relative electricity cost differences across SA suburbs based on distributor zone data and the SA average usage rate of 32.1c/kWh.
Note: These estimates reflect indicative relative differences based on distributor zones and are not real-time tariff data. Actual bills depend on your specific plan, usage, and the retailer you are with. Use the comparison tool to find the best plan for your postcode.
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Suburbs analysed
145
South Australia
State avg rate
32.1c/kWh
2026 estimate
Lowest est. rate
31.65c/kWh
Aberfoyle Park
Highest est. rate
32.55c/kWh
Woodville South
Suburbs with lowest estimated electricity rates in SA
| # | Suburb | Postcode | Distributor | Est. rate (c/kWh) | Est. annual bill |
|---|---|---|---|---|---|
| 1 | Aberfoyle Park | 5159 | SA Power Networks | 31.65c | $1,960 |
| 2 | Angle Vale | 5117 | SA Power Networks | 31.65c | $1,960 |
| 3 | Burton | 5110 | SA Power Networks | 31.65c | $1,960 |
| 4 | Darlington | 5047 | SA Power Networks | 31.65c | $1,960 |
| 5 | Direk | 5110 | SA Power Networks | 31.65c | $1,960 |
| 6 | Fitzroy | 5082 | SA Power Networks | 31.65c | $1,960 |
| 7 | Happy Valley | 5159 | SA Power Networks | 31.65c | $1,960 |
| 8 | Kensington | 5068 | SA Power Networks | 31.65c | $1,960 |
| 9 | Leabrook | 5068 | SA Power Networks | 31.65c | $1,960 |
| 10 | Littlehampton | 5250 | SA Power Networks | 31.65c | $1,960 |
| 11 | Naracoorte | 5271 | SA Power Networks | 31.65c | $1,960 |
| 12 | Para Hills West | 5096 | SA Power Networks | 31.65c | $1,960 |
| 13 | Paradise | 5075 | SA Power Networks | 31.65c | $1,960 |
| 14 | Prospect | 5082 | SA Power Networks | 31.65c | $1,960 |
| 15 | Unley | 5061 | SA Power Networks | 31.65c | $1,960 |
| 16 | Whyalla | 5600 | SA Power Networks | 31.65c | $1,960 |
| 17 | Woodville Gardens | 5012 | SA Power Networks | 31.65c | $1,960 |
| 18 | Woodville North | 5012 | SA Power Networks | 31.65c | $1,960 |
| 19 | Daw Park | 5041 | SA Power Networks | 31.8c | $1,967 |
| 20 | Edinburgh | 5111 | SA Power Networks | 31.8c | $1,967 |
Estimates based on distributor zone and SA average usage data. Annual bill assumes 4,900 kWh usage. Individual bills will vary.
Why do electricity costs vary across SA suburbs?
In South Australia, electricity prices can differ between suburbs for several reasons — most significantly the distributor network that services your area.
Network charges make up approximately 40–50% of the average electricity bill. These charges cover the cost of maintaining the local power grid — poles, wires, and transformers. Areas with denser populations (such as metropolitan suburbs) typically benefit from lower per-household network costs because the infrastructure is shared across more customers.
Regional and remote areas — particularly those served by networks like Essential Energy in NSW or Ergon Energy in Queensland — typically face higher network charges due to the greater distances involved in delivering electricity and lower customer density.
Retail plan rates also vary by distributor zone. Even within the same state, your postcode determines which distribution network you are in, and some retailers offer different plan rates across these zones.
Regardless of your suburb, comparing retail electricity plans is one of the most effective ways to reduce your bill. The difference between a competitive market offer and a standing offer can be several hundred dollars per year.
Suburbs with highest estimated electricity rates in SA
| Suburb | Postcode | Distributor | Est. rate (c/kWh) | Est. annual bill |
|---|---|---|---|---|
| Woodville South | 5011 | SA Power Networks | 32.55c | $2,004 |
| Woodville Park | 5011 | SA Power Networks | 32.55c | $2,004 |
| Warradale | 5046 | SA Power Networks | 32.55c | $2,004 |
| Walkerville | 5081 | SA Power Networks | 32.55c | $2,004 |
| Vale Park | 5081 | SA Power Networks | 32.55c | $2,004 |
| Two Wells | 5501 | SA Power Networks | 32.55c | $2,004 |
| Trott Park | 5158 | SA Power Networks | 32.55c | $2,004 |
| Sheidow Park | 5158 | SA Power Networks | 32.55c | $2,004 |
| Salisbury Plain | 5109 | SA Power Networks | 32.55c | $2,004 |
| Salisbury Park | 5109 | SA Power Networks | 32.55c | $2,004 |
Suburbs with higher estimated rates tend to be in regional or remote distributor zones with higher per-customer network costs.
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Cheapest electricity suburbs by state
Frequently asked questions
Which suburbs in SA have the cheapest electricity?
Suburbs in denser metropolitan areas — typically serviced by larger distribution networks — often have slightly lower estimated electricity network charges. However, choosing a competitive electricity plan matters more than your suburb when it comes to your actual bill.
Why do electricity prices differ across SA suburbs?
The main driver is the distributor network servicing your area. Network charges vary by region based on infrastructure density, distance from generation sources, and maintenance costs. Remote and regional areas generally have higher network charges per customer.
Can I reduce my electricity bill by moving suburb?
The rate difference between the cheapest and most expensive distributor zones is typically 1–2c/kWh — translating to roughly $50–$100 per year on an average bill. Switching to a better retail plan is likely to save you more than any geographic difference within the state.
Last updated: 1 April 2026. Estimates are indicative only.