How Much Does It Cost to Run a Chest Freezer in Australia? (2026)

Chest freezers are more efficient than upright freezers because cold air stays inside when the lid opens. A modern 200 litre chest freezer uses around 200 to 300 kWh a year; older units can use double that.

A typical chest freezer (100 W) costs A$0.035 per hour, or about A$8.40 per month at 8 hours a day in Australia. Average running cost

Hours used per day
WattagePer hourPer dayPer monthPer year
Low 60 WA$0.021A$0.17A$5.04A$61.32
Typical 100 WA$0.035A$0.28A$8.40A$102.20
High 200 WA$0.070A$0.56A$16.80A$204.40

Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 8 h/day ≈ 292 kWh per year.

One hour of a chest freezer (0.10 kWh) is the same electricity as

Electricity per year at typical use, on a log scale: #59 of 95 appliances, from least to most.

In Australia, with electricity at 35.0¢ per kWh (source: AER Default Market Offer 2026–27, 2026-07), a typical chest freezer costs A$0.035 per hour and about A$102.20 per year at 8 hours a day. Each A$1.00 of electricity buys roughly 28.6 hours of use.

How to lower the cost of running a chest freezer

Is an efficient chest freezer worth it?

Freezer from the 2000s in a garage: about 480 kWh a year. Current A or B-rated chest freezer: about 170 kWh. The difference is worth A$108.50 a year in Australia.

Usage assumed: always on. Typical prices: A$600.00 for the efficient model, A$120.00 more than a basic one. Work it out with your own prices

Frequently asked questions

How much does it cost to run a chest freezer per year?

A typical modern unit uses 250 to 350 kWh a year. Check the yearly figure above.

Is a chest freezer cheaper to run than an upright?

Yes, typically 10 to 25 percent, because less cold air spills out when opened.

Does a freezer use more power in a hot garage?

Yes. Every 5 C rise in ambient temperature can add 10 to 20 percent to running cost.

Compare with

Cost by region

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Related appliances

Use the generic electricity cost calculator · Which uses more? Take the quiz