Compare electricity plans in Northfield
Households in Northfield (5085) are currently paying an estimated $1,920–$2,280/yr for electricity based on the SA Power Networks network zone benchmark. Whether you're on the right plan depends on your usage — compare available retailers below. Population: 10,000.
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Electricity distributor in Northfield
SA Power Networks is the sole electricity distributor across South Australia. SA has some of the highest electricity rates in Australia, making comparison particularly valuable.
Your distributor maintains the poles and wires and restores supply after outages; it is separate from the electricity retailer you pay.
When you switch electricity retailers, your distributor stays the same — only the company you pay your bill to changes. Your supply is not interrupted during a switch.
Learn more about the SA Power Networks network →Electricity providers in Northfield
Residents of Northfield can review plans from retailers including AGL, Origin Energy, EnergyAustralia, Red Energy, and more. The local distribution network is operated by SA Power Networks.
View all electricity providers →Average electricity prices in Northfield
Estimated annual electricity bill: Benchmark reference costs for the SA Power Networks distribution zone suggest typical household bills around $1,920–$2,280 per year (before discounts and concessions).
Usage and supply (benchmark): About 41.5 c/kWh usage and 141 c/day supply — indicative only; your retailer sets the rates on your bill.
Solar feed-in: Generally available — Solar feed-in tariffs are available from retailers; South Australian network charges are among the highest nationally.
AER Default Market Offer 2025-26 and state equivalent offers. Usage assumes 4,000 kWh/year reference household. Applies to the SA Power Networks zone covering Northfield. Not a retail quote.
Typical annual electricity bills in Northfield, South Australia vary based on usage, supply charges, and the specific plan in place. State-wide, annual bills range from $1,520 to $1,820 per year. Use our comparison tool to see current rates in your postcode.
Regional areas such as Northfield can experience different electricity pricing compared to metropolitan centres, reflecting variations in network charges and available plan types. Comparing retailers is the best way to find competitive rates for your location.
See detailed pricing data on our SA electricity prices page or view the cheapest electricity plans in SA.
How to switch providers in Northfield
You can switch electricity providers in Northfield, South Australia without any interruption to your power. Compare plans, pick a new retailer, and they handle the transfer. There are no technical changes required on your end.
Solar feed-in tariffs in Northfield
If your Northfield home has rooftop solar, your electricity plan's feed-in tariff rate is just as important as your usage rate. Feed-in tariff rates vary by plan, retailer, and distributor zone. Compare plans carefully to find the best combination of usage rate and feed-in rate for your household.
Compare solar-friendly plans in SA →Electricity in South Australia
Browse electricity plans, pricing data, and provider information across all of South Australia.
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Our guides cover how electricity pricing works in Australia, what the reference price means, and how to compare plans effectively.
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Frequently asked questions
Which distributor covers Northfield?
Northfield is on the SA Power Networks distribution network. SA Power Networks operates the poles, wires, and other infrastructure that deliver electricity to properties in this area. You still choose a separate electricity retailer to bill you — retailers such as AGL, Origin Energy, EnergyAustralia, Red Energy, Alinta Energy, Simply Energy, and other retailers often publish market offers for customers on this network, subject to metering and eligibility rules. Your distributor does not change when you switch retailers.
What is the average electricity bill for households in Northfield?
For the SA Power Networks distribution zone that includes Northfield, benchmark reference costs (aligned with AER default-style assumptions of about 4,000 kWh/year) suggest typical annual electricity bills often fall between $1,920 and $2,280. Your actual bill depends on your retailer, plan, discounts, and how much electricity you use.
Does my electricity distributor change when I switch retailers in Northfield?
No. SA Power Networks manages the physical network in Northfield and remains the same regardless of which retailer you choose. Only the company you pay your bill to changes when you switch.
Is solar available in Northfield?
Yes. Rooftop solar is common in South Australia, and Solar feed-in tariffs are available from retailers; South Australian network charges are among the highest nationally. In Northfield, compare solar-compatible plans to review feed-in rates alongside your usage rate and supply charge.
Which electricity providers offer plans in Northfield?
Northfield (postcode 5085) is served by electricity retailers operating in South Australia. The specific plans available depend on your distributor zone. The local distribution network in Northfield is managed by SA Power Networks. Use our comparison tool to see current offers for your address.
How do I switch electricity providers in Northfield?
Switching electricity providers in Northfield (postcode 5085) is straightforward. Compare plans using our tool, select a new retailer, and complete the online sign-up. Your new provider arranges the transfer, typically within a few business days, and your electricity supply is not interrupted.
Also use gas at home? If your household uses gas for heating or cooking, you can also compare gas plans in Northfield or compare all gas plans here.
This analysis is based on EnergyPlans Australia's 2026 energy pricing data across multiple providers and states.
Last updated: 1 April 2026.