Full name: petawatthour
Category type: energy
Scale factor: 3.6E+18
The SI derived unit for energy is the joule.
1 joule is equal to 2.77777777778E-19 petawatthour.
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The SI prefix "peta" represents a factor of 1015, or in exponential notation, 1E15.
So 1 petawatthour = 1015 .