Alinta vs EnergyAustralia
What each sells your home, priced as a year’s bill
Priced for a typical 2-person home in NSW (5,237 kWh a year), used a bit of both, at Sydney 2000 on Ausgrid’s network.
Alinta’s cheapest plan costs $281 less a year than EnergyAustralia’s for this home.
Supply and usage with GST, less guaranteed discounts, plus any membership fee. A sign-up credit counts in the first year only; a pay-on-time discount is shown below but not counted.
A year’s bill at every amount of use
Each retailer’s cheapest plan with a firm price at every amount of use from 1,000 to 12,000 kWh a year, used a bit of both; the dashed line is this home. Where the lines cross, the cheaper retailer changes: a plan with a low supply charge leads for a small home, a low usage rate for a big one.
As of 14 October 2026, for a typical two-person home in Sydney 2000 on Ausgrid’s network using 5,237 kWh a year, Alinta’s cheapest is HomeDeal Smart at $2,061 a year, and EnergyAustralia’s cheapest is Flexi Plan at $2,342 a year. Plans as each retailer files them with the Australian Energy Regulator, read nightly; prices include GST. Plans sold only through comparison sites, to members or to existing customers are left out. Each row says which figure is lower or higher; there’s no overall score. Confirm the plan’s Basic Plan Information Document with the retailer before you switch.