Question

what is the commercial unit of energy

Answer 1

commercial unit of energy is kWh
                                              1kiloWatt*1hour

Answer 2

$\huge{HEY!! }$
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✔️The commercial unit of electric energy is kilowatthour (kWh). it is defined on the electric energy consumed by an appliance of power 1000 volt or 1 kilowatt in 1 hour.

1 kWh = 1kW × 1h
1 kWh = 1000W × 3600 sec
1 kWh = 360000 J
1 kWh = 3.6 × 10^6 J

✔️The electrical energy used in households, industries and commercial establisments expressed in kilowatthour. The energy used is expressed in terms of unit in our monthly bills. Hence, 1 unit means 1 kilowatthour.