WEnergyWAbsorption heat pumpWEarth's energy budgetWEnergy flow (ecology)WEnergy rate densityWEnergy systemWExertionWFusion energy gain factorWIntelligent EnergyWMaximum power principleWNET Power Demonstration FacilityWStatistical study of energy dataWTehachapi Energy Storage ProjectWUnited States Energy AssociationWWater-energy nexus
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