Definition
Negawatt power is a theoretical unit of power representing an amount of energy (measured in Watts) saved. Energy is saved by either increased efficiency or reduced energy consumption; the conserved energy is a "negawatt". The concept of a negawatt is simply a measure of power that is not used. Negawatts are a form of encouragement to motivate consumers to conserve energy. Amory Lovins considers the concept of conservation "a change in behavior based on the attitude 'Do Less to Use Less.'" He makes a distinction between conservation and efficiency by defining efficiency as "the application of technologies and best practices to eliminate waste based on the attitude, 'Do the same or more with less.'" Negawatts have the potential to be measured in the future with grid systems, smart meters, and other energy tracking devices; however, they currently cannot be accurately measured. Negawatts can only be theoretically determined based on the history of consumption.
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