Compare cheaper energy in Duncan
SA · SA Power Networks network
Compare electricity and gas plans from 8 retailers on the SA Power Networks network. Switch off the AER Default Market Offer (DMO) and save around $690 a year — free, fast and 100% impartial.
Duncan energy facts
Duncan (5223) is a suburb in South Australia. Electricity connections in Duncan are managed through SA Power Networks. Households in Duncan can compare electricity plans, review available rebates and explore energy options from participating retailers.
- Suburb
- Duncan
- Postcode
- 5223
- State
- South Australia
- Electricity Distributor
- SA Power Networks
Key facts about energy in Duncan, SA
Duncan is on the SA Power Networks network in South Australia. The residential electricity market is deregulated, 8 retailers compete, and the AER Default Market Offer (DMO) caps standing-offer pricing. Average household bills are $2,310 per year and switching to the cheapest market offer saves about $690 annually.
| City | Duncan, SA, Australia (postcode 5223) |
|---|---|
| Distribution network | SA Power Networks |
| Reference price | AER Default Market Offer (DMO) (set by the Australian Energy Regulator) |
| Retail competition | Deregulated — 8 retailers compete |
| Average annual bill | $2,310 per household |
| Cheapest available plan | from $1,620 per year |
| Typical annual saving | $690 by switching off the standing offer |
| Main state rebate | SA Energy Concession (~$255/yr) and the SA Cost of Living Concession |
Switch energy in Duncan in 3 easy steps
- Enter your Duncan postcode — we pull every plan available on the SA Power Networks network at your address.
- Compare live offers — see real SA prices from 8 retailers, ranked cheapest first.
- Switch & start saving — pick a plan; your new retailer handles the transfer with SA Power Networks. No interruption to supply.
The energy market in Duncan, SA
Duncan (SA 5223) sits within the South Australia energy market. Postcode 5223 also covers D’estrees Bay, Harriet River, Flinders Chase — these suburbs share the same retail offers. Electricity in Duncan is delivered over the SA Power Networks distribution network, with retail pricing benchmarked against the AER Default Market Offer (DMO) set by the Australian Energy Regulator.
South Australia has the highest wholesale prices in the NEM, so switching off a standing offer often delivers the biggest single saving in the country. Average residential bills in SA sit around $2,310/yr, but the cheapest market offers for Duncan addresses (including postcode 5223) start near $1,620/yr — a typical saving of $690.
Energy retailers in SA
8 retailers compete for Duncan residential customers on the SA Power Networks network. Side-by-side comparison matters because each retailer prices differently.
| Retailer | State coverage | Distribution network |
|---|---|---|
| AGL | SA | SA Power Networks |
| Origin Energy | SA | SA Power Networks |
| EnergyAustralia | SA | SA Power Networks |
| Red Energy | SA | SA Power Networks |
| Alinta Energy | SA | SA Power Networks |
| Lumo Energy | SA | SA Power Networks |
| Powershop | SA | SA Power Networks |
| Energy Locals | SA | SA Power Networks |
Rebates and concessions in SA
Duncan households may be eligible for the following SA rebates and concessions, applied directly to your bill. Claim them whichever plan you are on.
| Scheme | State | How it's paid |
|---|---|---|
| SA Energy Concession (~$255/yr) and the SA Cost of Living Concession | SA | Credit on your electricity bill |
What we compare for Duncan
- Residential electricity on the SA Power Networks network (single rate, time-of-use & controlled load)
- Natural gas plans available to Duncan addresses
- Solar feed-in tariffs for Duncan rooftop solar households — see solar in Duncan
- Small-business energy plans across South Australia
Australian energy glossary
- Default Market Offer (DMO)
- The maximum standing-offer price retailers can charge residential customers in NSW, South East QLD, SA and the ACT, set annually by the Australian Energy Regulator (AER).
- Victorian Default Offer (VDO)
- Victoria's equivalent of the DMO, set by the Essential Services Commission (ESC).
- Distribution Network Service Provider (DNSP)
- The company that owns and operates the poles and wires in your area (e.g. Ausgrid, Energex, Powercor). You cannot choose your DNSP — it is determined by your address.
- Feed-in tariff (FiT)
- The per-kWh credit a retailer pays for solar electricity exported back to the grid.
- Standing offer
- The default, regulated-cap plan a retailer must offer customers who haven't chosen a market offer — usually the most expensive plan.
- Market offer
- A competitively priced retail plan, typically priced below the standing offer.
Compare energy in nearby SA suburbs & cities
Duncan energy FAQs
Who supplies electricity to Duncan, and can I switch retailer?
Yes — Duncan residents can switch electricity retailer at any time. Power is delivered over the SA Power Networks distribution network, and 8 retailers compete for SA residential customers: AGL, Origin Energy, EnergyAustralia, Red Energy, Alinta Energy, Lumo Energy, Powershop, Energy Locals. Switching retailer does not change the physical supply or require a technician visit.
How much can Duncan households realistically save?
Duncan households can save roughly $690 per year by switching off the AER Default Market Offer (DMO) to the cheapest market offer on the SA Power Networks network. Average annual bills in SA are about $2,310; the cheapest plans start near $1,620/yr.
What rebates and concessions are available in SA?
Duncan residents may be eligible for the SA Energy Concession (~$255/yr) and the SA Cost of Living Concession. Rebates are paid directly off your power bill once you apply through your retailer or the SA Government, and they stack on top of any savings from switching plan.
What is the AER Default Market Offer (DMO) and why does it matter in Duncan?
The AER Default Market Offer (DMO) is the maximum standing-offer price retailers can charge South Australia residential customers, set each year by the Australian Energy Regulator. Any plan priced below the AER Default Market Offer (DMO) for the SA Power Networks network is a genuine saving for Duncan customers.
How long does it take to switch energy retailers in Duncan?
Switching takes about 5 minutes online and the transfer completes at your next meter read (typically 1–3 months). Your new retailer notifies SA Power Networks for you — there is no interruption to power or gas supply and no technician visit for Duncan addresses.
Last updated: . Indicative figures based on Australian Energy Regulator data.