Origin South Australia Plans & Prices (September 2026)
Rates checked 4 September 2026
Origin Energy offers electricity plans to South Australia households and businesses. This page explains what Origin offers in SA, including plan types, solar feed-in tariffs, and how to compare rates.
Origin's cheapest SA market plan is currently $1,994/yr (15% below the DMO reference price of $2,334), against a market cheapest of $1,263.
For a national view of Origin's electricity offers, see Origin electricity plans.
Est. annual cost
$2,016
from, at benchmark usage
Usage rate
36.2c/kWh
cheapest single-rate plan
Supply charge
$1.55/day
cheapest single-rate plan
Solar FiT
2–8c/kWh
Feed-in tariff
See how Origin compares against other retailers for your postcode.
Compare plansOrigin rates by network zone in SA
The estimated annual cost of Origin Energy's cheapest qualifying single-rate market plan in each SA distributor zone, compared with the government reference price.
| Network zone | Cheapest Origin plan | Est. annual cost | Reference price | vs reference |
|---|---|---|---|---|
| SA Power Networks (SA) | Origin Go Variable Ongoing | $2,016/yr | $2,334/yr | 14% below |
Rates current as at 4 September 2026; reference prices effective 1 July 2026 (AER DMO 2026-27 & ESC VDO 2026-27). Annual costs are calculated at each zone's regulated benchmark usage on a single-rate tariff.
How Origin compares in SA
| Retailer | Usage rate | Est. annual cost | vs reference price |
|---|---|---|---|
| Origin (this page) | 36.2c/kWh | $2,016/yr | 14% below |
| AGL | 34.7c/kWh | $1,930/yr | 17% below |
| EnergyAustralia | 38.1c/kWh | $2,121/yr | 9% below |
| Red Energy | 37.9c/kWh | $1,918/yr | 18% below |
Rates current as at 4 September 2026; reference prices effective 1 July 2026 (AER DMO 2026-27 & ESC VDO 2026-27). Each figure is the retailer's cheapest qualifying single-rate market plan across South Australia distributor zones at the regulator's benchmark usage — not a quote. Actual rates vary by plan, usage and distributor zone in South Australia. Compare current offers for figures specific to your address.
Thinking about solar in SA?
See if solar beats your Origin bill in SA
We hold SA's feed-in tariffs (~5–8 c/kWh) and rebates next to live plan prices, so you can see whether solar pays off on your Origin plan, or whether switching plans saves you more first.
Not sure solar's worth it yet? See if switching plans saves more →
- ✓ Free & no obligation
- ✓ Ready for solar? One installer takes it from there, not a lead auction
- ✓ CER & AER data · verified 21 Jun 2026
- How we make money
Prefer to read first? SA solar feed-in tariffs covers what retailers actually pay for exported solar in South Australia.
Plan types available in SA
- Fixed-rate plan
A set rate locked in for a contract period. Provides price certainty but may include exit fees for early termination.
- Variable-rate plan
A rate that may change over time. Often without exit fees, offering flexibility to switch plans.
- Solar feed-in tariff plan
Plans including a solar feed-in tariff credit for energy exported to the grid from your rooftop solar system.
- Green energy plan
Plans where a portion of your energy usage is matched with GreenPower or renewable energy certificates.
- Business energy plan
Tailored plans for commercial and business electricity customers, often with different rate structures and usage profiles.
Solar feed-in tariff in SA
Origin Energy offers solar feed-in tariff plans for households with rooftop solar systems in South Australia. The indicative feed-in tariff rate is approximately 2–8c/kWh.
Solar feed-in tariff rates vary depending on the plan, your distributor zone, and the size of your solar system, and they change without notice. To maximise feed-in tariff earnings, confirm the current rate with the retailer and compare multiple retailers before committing to a solar plan.
SA solar feed-in tariffs →View electricity prices and rates in SA →
Electricity pricing context in South Australia
In South Australia, the average electricity usage rate is approximately 32.1c/kWh with an average daily supply charge of $1.12. The estimated average annual household bill is approximately $1,580.
Origin Energy's rates (from 36.2c/kWh on its cheapest SA single-rate plan) should be assessed against the current SA market and the AER Default Market Offer reference price. Plans below the reference price typically offer savings compared to the default standing offer.
Pros
- Large, established retailer with national coverage
- Competitive solar feed-in tariff rates
- Flexible plan options including fixed and variable
- Strong digital tools and app experience
- Green energy options available
Cons
- Premium pricing compared to smaller retailers
- Some customers report billing complexity
- Exit fees can apply on fixed-rate plans
- Call centre wait times during peak periods
How to switch to Origin in SA
- 1
Compare plans
Use our comparison tool to review Origin Energy's current offers in South Australia against other retailers.
- 2
Select your plan
Choose a plan that suits your usage level, contract preferences, and whether you want solar or green energy options.
- 3
Provide your details
Submit your current account details and electricity meter information. You can find these on your current electricity bill.
- 4
Confirm the switch
Your new retailer handles the transfer. The process typically takes 2–5 business days, and your electricity supply is never interrupted.
See how Origin compares against other retailers for your postcode.
Compare plansFrequently asked questions
Is Origin available in SA?
Yes. Origin Energy offers electricity plans to residential and business customers in South Australia. Plan types and rates vary — compare current offers to see what is available in your area.
Is Origin the cheapest electricity provider in South Australia?
Not always. Origin Energy is one of several retailers serving South Australia, and the cheapest plan for you depends on your usage and postcode. Compare Origin against other SA retailers on a like-for-like basis before deciding.
Did South Australia electricity prices change in July 2026?
Yes — SA was the exception to this year's cuts, with flat-rate residential standing-offer prices up about 1.4% from 1 July 2026 (roughly $32 a year on the reference price). Origin's cheapest SA market plan is currently $1,994/yr (15% below the DMO reference price of $2,334), against a market cheapest of $1,263. It's a good time to check whether a cheaper plan is available for your address.
Can I get a cheaper plan than Origin in SA?
Possibly. The Australian Energy Regulator notes customers on a standing offer could save up to around 13% by moving to a competitive market offer. Run a comparison for your postcode to see if a lower-cost plan is available.
What electricity plans does Origin offer in SA?
Origin Energy offers fixed-rate plans, variable-rate plans, solar feed-in tariff plans, green energy plans, business energy plans in South Australia. Plan availability and specific rates depend on your distributor zone and postcode.
Does Origin offer a solar feed-in tariff in SA?
Origin Energy offers solar feed-in tariffs typically around 2–8c/kWh in South Australia. Rates vary by plan and distributor zone and change regularly. Confirm the current rate with Origin Energy and compare solar plans to ensure you are getting a competitive feed-in rate.
How do I switch from Origin in SA?
Switching takes a few minutes and there is no interruption to your supply. Have a recent bill handy, choose a new plan, and the new retailer manages the transfer — it typically completes within 2–5 business days.
Origin Energy in other states
How we calculate these estimates
Rate and bill estimates shown here are benchmark figures based on AER and ESC reference data, not retail quotes.
Estimated costs can vary by usage, tariff type, retailer, distributor, and address. Both supply charges (the daily fixed cost of being connected) and usage rates (c/kWh) affect your total bill. Solar feed-in tariffs vary by retailer and plan. Always review plan details, fees, and conditions before switching.
Data sources
- AER Default Market Offer (DMO) reference pricing
- ESC Victorian Default Offer (VDO) benchmarks
- Distributor zone boundary data
- Published retailer plan information
These are indicative estimates only. Your actual bill depends on your specific plan, usage patterns, and applicable discounts. Read our full methodology.
How we make money
EnergyPlans.com.au may receive a commission if you switch through our comparison partner. This does not change the price you pay, but it may influence which plans are available through our service. We do not compare every plan in the market.
Our editorial content, methodology, and benchmark data are independent of any commercial relationship. Always review plan details, including any fees or conditions, before switching. How we make money.
Data shown for Origin Energy in South Australia.