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Electricity prices in South Australia — 2026–27

AER Default Market Offer · effective 1 July 2026

41.9c /kWh usage + 180.1c/day supply (SA Power Networks)

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)

South Australia residential reference rates by distribution zone, 2026–27 (GST incl.)
ZoneCoversUsage c/kWhSupply c/dayTypical annual
SA Power NetworksSouth Australia (whole state)41.9c180.1c$2,334

Electricity bill estimator

SA Power Networks

A 2-person household uses roughly 4,000–5,500 kWh a year.

$2,334 per year ≈ $583/quarter
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 →

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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 current rates apply 1 July 2026 – 30 June 2027; this page re-verifies against each new determination.

Related

Sources — figures current as at 17 July 2026.

Average-bill figures are derived estimates (benchmark kWh × the SA Power Networks reference rate) — labelled, never presented as a survey.