Water-Energy Nexus
The interdependencies among water and energy resources and infrastructure.
Water-Energy Nexus
Water Cycle or Water Use Cycle
The movement of water from its source through to conveyance, treatment, distribution, end-use, discharge, re-treatment, re-use and ultimate discharge.
Embedded Energy in Water
The sum of energy inputs along the segments of the water use cycle: to collect, produce, transport, treat and deliver water, and to collect, treat and dispose of wastewater.
Energy Intensity of Water, or Energy Embedded in Water
The average amount of energy used to collect, produce, transport, treat, deliver and/or to collect, treat, and/or dispose of wastewater (typically expressed in kWh/AF or kWh/MG).