What a household your size pays
What should a one person household in Mount Gambier pay for electricity?
In one line
A household of one person in Mount Gambier uses about 3,147 kWh of electricity a year on the AER's benchmark (South Australian zone "South East", 1 person). At today's published prices on the SA Power Networks network, that costs about $1,338 a year on the cheapest plan, iO Energy's Sustainable Home (Electrify), and $1,755 on the median of 241 plans from 25 retailers; read from the regulator's feed on 8 November 2026.
How many people at home?
Tap one to begin. Two more questions, your postcode and the bill, then every published plan on your network, cheapest first. Open the check
The figures
| AER benchmark usage | 3,147 kWh a year (summer 673 kWh, autumn 730 kWh, winter 1,035 kWh, spring 709 kWh) |
|---|---|
| Cheapest plan at that usage | iO Energy Sustainable Home (Electrify): $1,338 a year ($111 a month) |
| Median plan | $1,755 a year |
| Dearest plan | $2,264 a year |
| Plans compared | 241 from 25 retailers on 1 network |
Sources: AER residential energy consumption benchmarks (Frontier Economics, December 2020; postcodes updated June 2021); Energy Made Easy plan data (Australian Energy Regulator). Estimates from published rates at the stated usage; not retailer quotes.
Next
Questions answered for this network
One sentence each, computed from the regulator's published rates; the date on each is the day its figures last changed.
- What is 1st Energy's cheapest electricity plan on the SA Power Networks network, and how does it compare? · 2026-11-06
- What is the cheapest electricity plan for a household with solar on the SA Power Networks network? · 2026-11-06
- What is the cheapest electricity plan on the SA Power Networks network for a household using 10,000 kWh a year? · 2026-11-06
- What should a five or more person household in Adelaide pay for electricity? · 2026-11-06
- What electricity and gas rebates or concessions can a household in South Australia get in 2026-27? · 2026-10-26
- Is my electricity bill high for a five or more person household in South Australia? · 2026-11-06