The apparently electrocuted body of a man found in a hydroponic cannabis set-up in south-west Sydney lay undiscovered for at least two days after death, police say.

The apparently electrocuted body of a man found in a hydroponic cannabis set-up in south-west Sydney lay undiscovered for at least two days after death, police say.

Police discovered the body of a 64-year-old man in the back shed of a property on Jersey Road, Bringelly, about 8.40pm yesterday.

Police discovered the body of a 64-year-old man in the back shed of a property on Jersey Road, Bringelly, about 8.40pm yesterday.