OpenStreamLog in

A retailer on a network

What is 1st Energy's cheapest electricity plan on the SA Power Networks network, and how does it compare?

In one line

On the SA Power Networks network (South Australia), 1st Energy's cheapest published plan for a household using 4,000 kWh a year is 1st Emerald - Time of Use at an estimated $139 a month ($1,672 a year), ranked 3 of 241 published plans; the cheapest from any retailer is iO Energy's Sustainable Home (Electrify) at $129 a month, $10 a month less. 1st Energy publishes 14 plans here. Read from the regulator's published rates on 8 November 2026.

Electricity check · step 1 of 3

How many people at home?

Tap one to begin. Two more questions, your postcode and the bill, then every published plan on your network, cheapest first. Open the check

The figures

1st Energy's cheapest here1st Emerald - Time of Use: $1,672 a year
Rank on the network3 of 241
Cheapest from any retaileriO Energy Sustainable Home (Electrify): $1,552 a year
Gap$120 a year
1st Energy plans on SA Power Networks14

Source: Energy Made Easy plan data (Australian Energy Regulator). Estimates from published rates at the stated usage; not retailer quotes.

Next

Questions answered for this network

One sentence each, computed from the regulator's published rates; the date on each is the day its figures last changed.

Every question in the library

Open pricing means Australians can be better informed, and save more.

Most comparison sites show a fraction of the market: the retailers that pay to be listed. OpenStream prices every plan every retailer publishes to the Australian Energy Regulator and Victorian Energy Compare, 9,624 published offers priced from 40 retailers in the regulator's listings, re-read nightly. Nothing is promoted, every plan links to the regulator's record, and the whole dataset is free to download.

  • 40
    retailers in the regulator's listings
  • 9,624
    published offers priced
  • 0
    promoted rows
  • 100%
    of prices cite their source