Appliance running cost calculator

One formula does all the work: watts ÷ 1,000 × hours × your tariff. Pick an appliance for a sourced wattage preset, or type your own from the nameplate — the 2026–27 state reference rates are built in.

Appliance running-cost calculator

NSW

Appliance

State

Power draw (watts)

Split-system aircon: 450–1,500 W typical range.

Hours per day

Days per year

4–8 h/day in summer; inverter units modulate below their rated draw once the room is at temperature.

$0.25 per hour · $134/year at your settings

Per day (6 h): $1.49
Per month: $45.33
Per year (90 days): $134.21

Tariff: 33.1c/kWh — AER Default Market Offer 2026–27 (DMO 8) for the Ausgrid network, effective 1 July 2026. Wattage basis: Daikin Cora specifications (via Wholesale Aircon). Full split-system aircon costs in NSW →

Where the presets come from

Each appliance's low–typical–high band comes from manufacturer specifications and energy-authority guidance — the source is named on its page. Browse the full set at appliance running costs.

Sources — figures current as at 17 July 2026.