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No device uses "kilowatts per hour". A watt or kilowatt is a unit of power, not of energy. That means that the "per hour" or "per second" is already implied - the watt refers to a "rate of energy conversion" - not to an amount of energy. If a devices uses a certain amount of kilowatts, it uses this amount all the time while it is on - whether it is kept on for a second or for several days.
10,000 x 60 (60 mins in an hour) = 600,000
watt (w) means joules per second. kW (kilowatts) means thousands of joules per second. Multiply that by 3600 to get the joules used per hour.
The wind farm produces 2,310 kilowatts of electricity in a week. This is calculated by multiplying the daily production of 330 kilowatts by 7 (number of days in a week).