Average Electricity Bill for a 1-Person Household in South Australia
South Australia has the highest electricity prices in the country — making plan comparison especially valuable even for a single-person household at 10 kWh/day. The supply charge alone can represent around 20% of a small household's total bill. Switching to a plan with a lower daily fee is often the biggest single saving.
$486
Quarterly estimate
$1,945
Annual estimate
How this is calculated
- Daily usage: 10 kWh/day (AER benchmark for 1-person household)
- Average rate: 41.5c/kWh (South Australia average)
- Supply charge: $1.18/day
- Reference price (DMO): $2,410/year
Figures approximate as at May 2026. Actual bills vary by plan, usage patterns, and network charges.
Potential savings: Competitive plans are often 19–24% below the DMO reference price. For a single-person household, that could mean savings of up to $578 per year — though actual savings depend on your current plan and usage.
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Frequently Asked Questions
What is the average electricity bill in South Australia?
A single-person household in South Australia pays approximately $486 per quarter or $1945 per year based on AER benchmark usage of 10 kWh/day at average rates of 41.5c/kWh.
How can I lower my electricity bill in South Australia?
The easiest way is to compare plans — the difference between the cheapest and most expensive plan for the same usage can be $300–600/year in South Australia. Use WattLite to compare 1,000+ plans in seconds.
Is switching energy plans difficult?
No. In Australia, switching retailers takes about 5 minutes online. Your new retailer handles the transfer — there's no interruption to supply and no technician visit needed.