ENVS115 Energy Power and Operational Costs Paper

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Relationship between Energy and Power: Energy and power are different, but related concepts. Energy is the capacity to do work. Power is the rate of energy use or doing work. The relationship between energy and power is shown in the following equations. Power = Energy or the same equation rearranged as Energy = Power * time time Units for Energy and Power: There are several different units commonly used for energy. For this assignment we will use watt hours for energy and hours for time. Thus, in the equation below, hours cancel out and watts are the units for power. Power (watts) = Energy (watt hours) time (hours) By definition, a watt = joule/second.

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