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Saving energy

Energy Star Ratings Explained: What the Label Is Telling You

The star label on fridges, TVs and air conditioners hides a more useful number: the kWh a year. Here is how to read both and what they are worth.

Checked against regulator sources, October 2026

How to read the Energy Rating Label

What the label tells you
StarsEfficiency compared with other models in the same category. Compare within a size class, not across them.
Energy consumption figureEstimated kWh a year under standard test conditions.
6-star and 10-star labelsThe standard label shows up to 6 stars; models rated 7 or higher can use the 10-star super efficiency label.
Water RatingDishwashers and washing machines also show a Water Rating Label.
Zoned labelAir conditioners can show a Zoned Energy Rating Label with performance in hot, average and cold zones.

The label is part of the Australian and New Zealand Equipment Energy Efficiency (E3) Program. The American ENERGY STAR mark seen on some imported electronics is a different scheme.

Turning stars into dollars

The government's own example compares a 55-inch TV rated 7 stars, using 213 kWh a year, with a 3-star model using 520 kWh. At the 2026-27 Ausgrid reference rate of 33.14c per kWh:

Yearly running cost of two 55-inch TVs
TVkWh a yearCost a yearOver 10 years
7-star213$71$706
3-star520$172$1,723
Energy use from energy.gov.au's example; rate is the 2026-27 Ausgrid Default Market Offer usage rate.

That is a saving of about $1,017 over 10 years, the typical lifespan energy.gov.au uses for major appliances. Compare models with the official Energy Rating Calculator.

Where star ratings matter most

Bigger is not always better

A large 5-star fridge can use more power than a small 4-star one. Check the kWh figure, not just the stars.

Common questions

It compares an appliance's efficiency with other models of the same type and size. More stars means less energy for the same job. The label also shows the estimated kWh used a year.

Multiply the kWh a year on the label by your usage rate. At 33c per kWh, a fridge labelled 300 kWh a year costs about $99 a year to run.

The 10-star label is the super efficiency label for appliances rated 7 stars or more, so a model on it is more efficient than any 6-star model in its category.

Sources

Every rate on this page comes from the regulator or the regulated retailer. Last checked October 2026. Prices include GST unless we say otherwise.