Electricity prices in South Australia — 2026–27
AER Default Market Offer · effective 1 July 2026
Average bill: $2,772–$3,215/year for a 2–3 person household (derived estimate — AER benchmark usage × the SA Power Networks rate). Rates moved +1.4% at 1 July 2026.
Source: AER Default Market Offer 2026–27 (DMO 8)
| Zone | Covers | Usage c/kWh | Supply c/day | Typical annual |
|---|---|---|---|---|
| SA Power Networks | South Australia (whole state) | 41.9c | 180.1c | $2,334 |
SA at the 1 July 2026 reset
- SA Power Networks’ reference price rose 1.4% at 1 July 2026, from $2,301 to $2,334 a year, the only Default Market Offer network to rise.
- SA Power Networks, the network used for SA averages on this site, ranks 15th of 16 networks nationally at 4,000 kWh (1st is cheapest; CitiPower at $1,481).
| Network | Usage c/kWh | Supply c/day | Reference bill a year | Change |
|---|---|---|---|---|
| SA Power Networks SA | 41.9c | 180.1c | $2,301 → $2,334 at 4,000 kWh | +1.4% (+$33) |
AER Default Market Offer networks: the AER’s published annual reference prices at each network’s model usage (the 2025–26 offer was set as an annual price, so it has no separate supply and usage rates). Arrows run from 2025–26 to 2026–27; GST included.
Electricity bill estimator
SA Power NetworksA 2-person household uses roughly 4,000–5,500 kWh a year.
- Supply charge (180.1c/day × 365)
- $657.19
- Usage (41.9c/kWh × 4,000 kWh)
- $1,676.41
Rates: AER Default Market Offer 2026–27 (DMO 8), effective 1 July 2026 (GST inclusive). This is the government reference/standing rate for South Australia (whole state) — market offers can sit below it. Full SA Power Networks price breakdown →
Everything SA on one page
- Average bill$2,772/yr2-person household, derived from the AER benchmark
- Feed-in tariffDeregulated — retailers set their own rate
- Is solar worth it?Payback calculator pre-set for SA
- Solar rebatesSTC discount + SA schemes
Frequently asked questions
- Who sets electricity prices in SA?
- AER Default Market Offer sets the reference/standing rates shown here (AER Default Market Offer 2026–27 (DMO 8)). Retail market offers price against that benchmark — they can be cheaper, and the reference figure is what your plan should beat.
- What does electricity cost per kWh in SA?
- The reference usage rate is 41.9c/kWh plus a 180.1c/day supply charge, GST inclusive.
- When do these prices change?
- Every 1 July. The 2026–27 rates apply 1 July 2026 – 30 June 2027; this page re-verifies against each new determination.
Related
- Australian Energy Regulator — DMO 2026–27 final determinationverified
- AER residential consumption benchmarks 2020verified
Average-bill figures are derived estimates (benchmark kWh × the SA Power Networks reference rate) — labelled, never presented as a survey.