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Question
Electricity production and consumption are most commonly measured in kilowatt"‘hours (kWh). A kilowatt"‘hour is one kilowatt (1000 watts) of electricity produced or consumed for one hour. A 10"‘kW wind turbine can generate about 10 000 kWh annually at a site with wind speeds averaging 19 kilometres per hour. This means that the turbine produces on average about ________% of its nominal generating potential (i.e., the energy that could be theoretically produced if the turbine worked at 100% of its capacity all the time).A) 30%
B) 50%
C) 90%
D) 1%
E) 10 %
Answer
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