South Australia Energy Prices

Here's the full rundown for South Australia — and fair warning upfront: SA consistently has the highest electricity prices in the country, which makes comparing plans here more important than anywhere else.

The hard truth about SA electricity prices

South Australians typically pay the most for electricity compared to other states, making it especially important to regularly review your energy plan. Electricity bills in SA are expensive because they include three core components: energy generation costs, network charges (transmission and distribution costs), and retail costs. Compare the MarketWATTever

The benchmark in SA is the Default Market Offer (DMO), set annually by the Australian Energy Regulator. The current AER reference price for a typical SA household using 4,000 kWh/year sits at $2,301/year — the highest DMO of any state. Canstar

Who are the cheapest right now?

Based on average usage rates, Simply Energy typically offers some of the most competitive rates in SA right now. Lumo Energy has also been rated the most satisfied customers winner for SA electricity providers in 2026 and is among the cheapest on the market in Adelaide. FinderCanstar

A competitive usage rate in SA currently starts from around 35 cents per kWh, with supply charges of 100–125 cents per day. The cheapest available market offer on the SA Power Networks network is currently around $1,828/year — compared to the DMO of $2,301 — meaning you could save $473 annually just by switching. WATTever

There's also an interesting SA-specific option worth knowing about: RAA Energy operates on a monthly subscription model where they don't profit from the amount of energy you use — instead charging a flat monthly fee and passing through electricity at cost. They don't lock you into a fixed-term contract and have no exit fees. Worth checking if you're a heavy user. AGL

The saving on offer

Households on a flat rate tariff with average energy use in South Australia could save $452 a year by switching from the standing offer to the cheapest available market deal, according to the AER's December 2025 Market Report. The ACCC also found that customers on older plans consistently pay more than those on newer plans, and there continues to be clear opportunities to save by switching. Energyplans

SA has one network — SA Power Networks

Unlike Victoria's five networks or NSW's three, South Australia has a single electricity distribution network: SA Power Networks. This simplifies comparison — you don't need to worry about which zone you're in. Every retailer offering plans in SA is competing on the same network.

How to compare — step by step

1. Go to Energy Made Easy (energymadeeasy.gov.au) — the federal government's free, independent comparison tool that covers SA. You can enter your NMI (National Meter Identifier, found on your bill) so it compares your actual energy use to available plans, or use the Quick Compare option. Energy Made Easy
2. Compare by estimated annual cost, not just the usage rate. Look at the estimated yearly cost, usage rates, and supply charges. For electricity, check the percentage difference compared to the DMO reference price — a good plan will be considerably cheaper than the benchmark. Compare the Market
3. Watch for conditional vs guaranteed discounts. Pay-on-time discounts vanish if you miss a payment. Always check the unconditional rate as your true baseline.
4. Read the Basic Plan Information Document (BPID). Some cheaper plans have no exit fees; others lock you in. Read the BPID before signing up. Most retailers let you switch online in minutes — your new retailer arranges the change and supply is never interrupted. Finder
5. Solar households: feed-in tariffs vary enormously in SA. There is no state-mandated minimum feed-in tariff rate in SA — offers differ significantly between retailers, so comparing this is especially worthwhile if you have panels. And if you installed solar before 30 September 2011, you're still receiving the legacy premium feed-in tariff of 44c/kWh, which runs until June 2028 — a significant benefit worth preserving when choosing a retailer. GatbyWATTever
6. Compare gas and electricity separately. With over 20 electricity providers and nine gas providers in SA, customers have real choice — but bundling doesn't automatically mean cheaper. Compare both separately. Compare the Market
7. Review every 12 months, especially before July 1 when the DMO resets.

Rebates and concessions worth checking

SA has a particularly good set of supports for eligible households:

1. Federal Energy Bill Relief: All Australian households receive two credits of $75 (totalling $150), automatically applied to bills in July and October 2025. Texas Electricity Ratings
2. SA Energy Bill Concession: Up to $274.85/year for holders of a Pensioner Concession Card, Health Care Card, Commonwealth Seniors Health Card, or eligible income support recipients — applied directly to your bill. WATTever
3. Medical Heating & Cooling Concession: Up to $274.85/year for concession-card households where a resident has a doctor-certified medical condition preventing self-regulation of body temperature (e.g. multiple sclerosis, Parkinson's disease, severe burns). WATTever
4. SACEDO — SA Concessions Energy Discount Offer: A standout SA-specific scheme. Eligible concession card holders who sign up with Origin Energy can receive 20% off electricity usage and supply charges, with no late payment fees or exit fees. Around 200,000 South Australians are eligible, and the offer runs until at least 2029. Money.com.au
5. The Emergency Electricity Payment Scheme (EEPS) is also available for customers at risk of disconnection due to financial hardship — accessible through a financial counsellor via the National Debt Helpline on 1800 007 007. Choose Energy

Given SA has the highest power prices in the country, the $452–$473 annual saving from switching is well worth the five minutes it takes. Head to energymadeeasy.gov.au, enter your postcode and usage, and sort by annual cost. If you're on a concession card, also check your eligibility for SACEDO — the combination of a competitive market plan plus concession support can make a very meaningful dent in your bills.