How much energy would an old large chest freezer use?

Something in my house is using an awful lot of electricity and I am trying to find out what this is. I suddenly remembered that I am using a large chest freezer in my garage (which is freezing cold in the winter), which is only about 1/3 full. Can anyone tell me roughly how much energy they think I might be... show more Something in my house is using an awful lot of electricity and I am trying to find out what this is. I suddenly remembered that I am using a large chest freezer in my garage (which is freezing cold in the winter), which is only about 1/3 full. Can anyone tell me roughly how much energy they think I might be using on an annual basis?
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