Hydro Quebec charges clients by the kilowatt hour. Is this a unit of power,
energy or force? If you consume 500kWh per month how would this be expressed
in SI units?
kilowatt hour is the unit of energy
1 kWh =3 600 000 J
500 kWh =1800000000 J =1.8•10^9 J = 1.8GJ