Wastewater treatment: Energy consuming processes
The characteristics vary depending on
Globally, wastewater treatment consumes about 200 TWh = ~1% of total energy consumption.
Electricity consumption in the water sector is expected to increase by >50% over the next 20 years.
Source: https://iea.blob.core.windows.net/assets/e4a7e1a5-b6ed-4f36-911f-b0111e49aab9/WorldEnergyOutlook2016ExcerptWaterEnergyNexus.pdf
Source: nyc.gov